Growing for Success

Paramount Seeds Content Index

Growing for Success

Paramount Seeds Content Index

by Paramount Seeds on Aug 18 2026
An index organized by crop. Updated regularly. Use this page to find growing guides, variety spotlights, and knowledge base resources. 🍅 Tomatoes Which Tomato Varieties Should You Start With? Greenhouse Beefsteak Tomatoes: Top Varieties Small but Mighty: Grape, Cherry, Cocktail & Novelty Tomatoes A Rainbow of Tomatoes: Colored Specialty Varieties How to Graft Greenhouse Tomatoes How to Germinate Tomato Seeds How to Prune Indeterminate Tomatoes Successful Greenhouse Tomato Pollination Tomato Fruit Set in Greenhouse Production Why Do Flowers Abort in Greenhouse Tomatoes? Indeterminate vs Determinate Tomatoes Determinate Tomatoes: A Grower's Guide Plant Spacing Guide for Greenhouse Tomato ToBRFV: Understanding the Threat What Is Brix? Sugar Content & Fruit Quality Variety Spotlight: Bigdena F1 Variety Spotlight: Torero F1 DRTH5075 F1: ToBRFV Resistance ToBRFV-Resistant Tomato Varieties 🌱 Tomato Rootstocks Which Rootstock Should I Use? Maxifort F1 Tomato Rootstock Maxifort vs. DR0141TX Tomato Rootstock Varieties Compared 🥒 Cucumbers A Grower's Guide to Mini Cucumbers Best Long English Cucumbers Mini Cucumbers: Growing Guide How to Prune Greenhouse Cucumbers Plant Spacing Guide for Greenhouse Cucumber Best Methods to Germinate Cucumber Seed Variety Spotlight: Splash F1 Mini Cucumber Corinto F1 Slicer Cucumber Do Parthenocarpic Cucumbers Need Pollination? Mini & Baby Cucumber Varieties: Splash, Corinto, Excelsior, Katrina, Colin, Quail & Parakeet 🥬 Lettuce Which Lettuce Varieties Should You Start With? Complementary Lettuce Varieties Butterhead Lettuce Varieties Which Romaine Lettuce for Greenhouse Production? Multileaf Lettuce: The Grower's Guide Multipack Lettuce Program Guide How to Germinate Pelleted Hydroponic Lettuce Seeds Thermal Dormancy in Lettuce Seed Why Does Greenhouse Lettuce Bolt? Controlling Tipburn in Hydroponic Lettuce Controlling Powdery Mildew in Greenhouse Lettuce Pythium Prevention in Hydroponic Lettuce Lettuce Disease Identification Guide Growing Strong: Good News for Lettuce Growers Looking To Grow a Red Lettuce Variety? Crystal Lettuce Varieties: How To Choose? Tacitus F1 Romaine Lettuce Muir Greenleaf Lettuce (Batavia) Pelleted Seed Non-Pelleted Lettuce for Microgreens & Baby Leaf Rex F1 Butterhead Lettuce Bergam's Green Leaf Lettuce Lettuce for Vertical Farming & Container Farms 🌶️ Peppers Greenhouse Peppers: Top Varieties Cultivation of Sweet Pepper in Greenhouses Mini Peppers: Variety Guide 🌿 Papaya Papaya Production: A Grower's Guide to Varieties Papaya Production: Varieties, Cultivation & Harvest Papaya Sex Ratios Explained Papaya Ring Spot Virus (PRSV) Variety Spotlight: Red Nemesis F1 Papaya Red Lady 786 F1 Papaya Papaya Variety Comparison Guide 🌾 Other Crops Greenhouse Basil Production Microgreens for Greenhouse Production Alternative Greenhouse Crops Kale Varieties: A Grower's Guide 🔬 Seeds & Production Science Treated vs. Untreated Seeds Untreated Seeds vs Organic Seeds: Key Differences Seed Priming: What It Is and Why It Matters How Is Seed Pelleted? Seed Germination Times by Category How to Store Greenhouse Seeds GMO vs Non-GMO Seeds Hybrid vs Open-Pollinated Seeds Understanding Disease Resistance Codes Understanding Disease Resistance: IR and HR 🏡 Greenhouse Systems & Management Greenhouse 101: Your Basic Questions Answered Summer Planting Guide (July–October) Preparing Your Greenhouse for Fall Production Hydroponics vs. Aquaponics vs. Aeroponics Greenhouse Growing Media Compared Artificial Light for Greenhouse Crops Water Sources for Greenhouse Production Why Sanitation Is Critical in Greenhouse Production Should I Fertilize My Greenhouse Seedlings? How AI Can Help You Pick the Right Varieties Expected Yields of Greenhouse Crops Over a Season 📦 Shipping & Ordering Paramount Seeds Now Ships to Puerto Rico Last updated: August 2026. New articles are added regularly — check back monthly for the latest content.
Lettuce Varieties Suitable for Vertical Farming & Container Farms

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Lettuce Varieties Suitable for Vertical Farming & Container Farms

by Paramount Seeds on Aug 18 2026
A grower's guide to the best Paramount Seeds lettuce varieties for vertical farming and container farm operations — covering butterhead, romaine, crystal, multileaf, and oakleaf types optimized for CEA systems.
Mini Peppers from Paramount Seeds: Variety Guide & Grower's Overview

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Mini Peppers from Paramount Seeds: Variety Guide & Grower's Overview

by Paramount Seeds on Aug 14 2026
A complete variety guide to mini sweet peppers from Paramount Seeds, covering the Tricolor and Lunchbox series with agronomic notes for greenhouse and field growers.
Multipack Lettuce Program Guide: Red & Green Pairing Chart for Multipacks

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Multipack Lettuce Program Guide: Red & Green Pairing Chart for Multipacks

by Paramount Seeds on Aug 07 2026
A pairing guide for red and green multileaf lettuce varieties from Paramount Seeds — matched by rosette size, texture, and days-to-harvest for mixed clamshell and living lettuce multipacks.
A Rainbow of Tomatoes: Colored Specialty Varieties from Paramount Seeds

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A Rainbow of Tomatoes: Colored Specialty Varieties from Paramount Seeds

by Paramount Seeds on Aug 04 2026
Explore Paramount Seeds' colored specialty tomato varieties — brown, pink, yellow, white, striped, and more. Find the perfect eye-catching variety for your market stand or greenhouse with direct product links.
Greenhouse Peppers: Top varieties

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Greenhouse Peppers: Top varieties

by Paramount Seeds on Aug 04 2026
Peppers are one of the most commercially important greenhouse crops in North America, offering growers strong returns, year-round production potential, and a diverse range of market opportunities — from large-format bell peppers for retail and foodservice to colourful mini peppers for the fast-growing snack market.
Papaya Production: A Grower's Guide to Varieties from Paramount Seeds

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Papaya Production: A Grower's Guide to Varieties from Paramount Seeds

by Paramount Seeds on Jul 30 2026
Papaya is one of the world's most popular tropical fruits and a rewarding crop for commercial growers. Discover the varieties available from Paramount Seeds and the key practices for successful papaya production.
Best Long English Cucumbers for Your Greenhouse — Paramount Seeds Varieties

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Best Long English Cucumbers for Your Greenhouse — Paramount Seeds Varieties

by Paramount Seeds on Jul 30 2026
Grow the Best Long English Cucumbers with Paramount Seeds Long English cucumbers — also known as Long Dutch cucumbers — are among the most sought-after greenhouse crops. Their smooth, thin skin, minimal seeds, and exceptional length make them a great choice for growers supplying retail, foodservice, and direct markets. At Paramount Seeds, we carry proven Hybrid Long Dutch varieties selected for greenhouse performance, disease resistance, and consistent fruit quality. For a comparison of treated vs. untreated seed options across our range, see our seed treatment guide. Top Long English Cucumber Varieties from Paramount Seeds Verdon F1 — Long Dutch Cucumber Verdon F1 is our top-performing Long Dutch variety and a grower favorite. Available in both treated and untreated seed, Verdon delivers uniform, dark-green fruit with excellent shelf life. Its strong plant vigor and reliable fruit set make it a dependable choice for year-round greenhouse production. Camaro F1 — Long Dutch Cucumber Camaro F1 is a high-demand variety. Known for its consistent fruit size and attractive appearance, Camaro performs well across a range of greenhouse environments and is a strong choice for growers prioritizing marketability. Bologna F1 — Long Dutch Cucumber Bologna F1 offers reliable production with good disease tolerance. Its uniform fruit and steady yield make it a solid mid-season performer for greenhouse operations looking for consistency across multiple harvests. Durance F1 — Long Dutch Cucumber Durance F1 is a specialty Long Dutch variety valued for its fruit quality and adaptability. It performs well in controlled greenhouse environments and is a good fit for growers targeting premium market segments. Davida F1 — Long Dutch Cucumber (Treated Seed) Davida F1 is available in treated seed and offers strong disease resistance alongside good fruit uniformity. A reliable option for growers who prioritize plant health and reduced crop risk. Poniente F1 — Long Dutch Cucumber Poniente F1 is a focused variety suited to specific greenhouse conditions. Its consistent fruit profile makes it a dependable choice for growers with established production systems. Georgia F1 — Long Dutch Cucumber Georgia F1 is available in both treated and untreated seed. It offers a solid combination of fruit quality and plant performance, making it a versatile addition to any Long Dutch cucumber program. Winmar RZ F1 — Long Dutch Cucumber Winmar RZ is a premium Rijk Zwaan variety offering excellent disease resistance and high-quality fruit. Ideal for growers seeking a top-tier Long Dutch option with strong genetic backing. Cumlaude F1 — Long Dutch Cucumber Cumlaude F1 is a newer addition to our Long Dutch lineup, offering promising performance for greenhouse growers looking to diversify their variety portfolio. Boncanale F1 and Kasja F1 round out our Long Dutch selection as emerging varieties. Both are worth trialing for growers interested in evaluating new genetics alongside their established programs. Shop All Long English Cucumber Varieties → Greenhouse Growing Tips for Long English Cucumbers Trellising: Train vines vertically to maximize light interception and airflow, reducing disease pressure and improving fruit quality. Temperature: Maintain daytime temperatures of 75–82°F and nighttime temperatures above 60°F for optimal fruit set and development. Humidity: Target 70–80% relative humidity. Avoid leaf wetness to minimize powdery mildew and Botrytis risk. See our sanitation guide for between-crop protocols. Irrigation: Use drip irrigation with consistent moisture levels — Long Dutch cucumbers are sensitive to drought stress and irregular watering cycles. See our water sources guide for water quality considerations. Nutrition: Apply a balanced fertilizer with elevated potassium during fruiting to support fruit firmness and shelf life. Higher potassium also supports Brix (flavor quality). Harvesting: Harvest at target length before seeds develop. Frequent harvesting (every 1–2 days at peak) encourages continued production and maintains plant vigor. Further Reading Mini Cucumber Varieties: A Grower's Guide from Paramount Seeds Understanding Disease Resistance Codes for Greenhouse Crops Treated vs. Untreated Seeds: Which Should You Choose? Why Sanitation Is Critical in Greenhouse Production Which Rootstock Should I Use? (includes cucumber rootstock) Find the Right Variety for Your Business Every greenhouse is different. Whether you're optimizing for yield, disease resistance, fruit uniformity, or market specifications, Paramount Seeds carries the Long Dutch cucumber varieties to match your production goals. Shop Long English Cucumbers → Shop Mini Cucumbers → Contact Our Team → Browse All Cucumber Varieties →
Psramount Seeds- packets stored in fridge

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How to Store Greenhouse Seeds for Maximum Germination

by Paramount Seeds on Jul 29 2026
You’ve invested in high-quality seeds — whether pelleted or non-pelleted, hybrid or open-pollinated. How you store them between seasons can make the difference between a strong germination rate and a disappointing stand.
Multileaf lettuce growing in a greenhouse hydroponic system

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Multileaf Lettuce: The Grower's Guide to Varieties from Paramount Seeds

by Paramount Seeds on Jul 27 2026
Multileaf lettuce has transformed commercial lettuce production with its high yield, versatility, and consumer appeal. Explore the full range of multileaf varieties available from Paramount Seeds.
Which Romaine Lettuce Should I Use for Greenhouse Production?

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Which Romaine Lettuce Should I Use for Greenhouse Production?

by Paramount Seeds on Jul 27 2026
Introduction Romaine lettuce is one of the most popular and commercially important lettuce types for greenhouse and hydroponic production. Its upright growth habit, crisp texture, and strong consumer demand make it a natural fit for NFT channels, DWC systems, and vertical growing environments. But with so many varieties available, choosing the right one for your production system and market can be a challenge. At Paramount Seeds, we carry a comprehensive range of romaine varieties — from large full-size heads for foodservice and retail, to compact midi and mini types suited to living lettuce and single-serve markets. This guide walks you through our top 10 most popular romaine varieties to help you make the right choice. New to lettuce production? See our guide to choosing your first lettuce varieties. Shop Romaine Lettuce Varieties → Understanding Romaine Types Romaine lettuce varieties for greenhouse production generally fall into three size categories, each suited to different markets and production systems: Full-size romaine: Large, upright heads (typically 300–600g) suited to foodservice, retail bags, and whole-head retail. These are the workhorses of commercial greenhouse romaine production. Midi romaine: Medium-sized heads (typically 150–300g) well-suited to single-serve retail, living lettuce, and premium fresh markets. Mini romaine: Small, compact heads (typically 80–150g) ideal for single-serve retail and living lettuce displays. Within each size category, varieties differ in tip burn tolerance, bolting resistance, head weight, and shelf life. Matching the right variety to your production system, climate, and market is the key to maximizing profitability. Top 10 Romaine Varieties for Greenhouse Production 1. Tacitus F1 (41-200) — Full-Size Our most popular romaine variety. Tacitus is a high-performing full-size romaine with exceptional head weight, outstanding uniformity, and excellent tip burn tolerance. It produces large, upright, well-blanched heads with crisp texture and excellent shelf life — making it the top choice for commercial greenhouse growers supplying foodservice and retail markets. Available in pelleted seed for precise, efficient seeding. Best for: Foodservice, retail bags, year-round production 2. Rabello F1 — Full-Size A strong-performing full-size romaine with excellent head uniformity and good tip burn tolerance. Rabello delivers consistent head weight and quality throughout the season, making it a reliable choice for commercial greenhouse production. Its attractive appearance and crisp texture are well-suited to retail and foodservice markets. Best for: Retail, foodservice 3. Solid Heart F1 — Full-Size A full-size romaine with a distinctive tightly blanched heart and excellent eating quality. Solid Heart is well-suited to whole-head retail and premium foodservice markets where heart quality and presentation are priorities. Available in untreated pelleted seed. Best for: Whole-head retail, premium foodservice 4. Monte Carlo F1 — Full-Size A reliable full-size romaine with good head weight, strong uniformity, and consistent performance across a range of growing conditions. Monte Carlo is a dependable choice for commercial greenhouse growers seeking a versatile, all-round romaine variety. Available in untreated pelleted seed. Best for: General greenhouse & hydroponic production 5. Gladius F1 (41-CO1089) — Full-Size A high-performing full-size romaine with excellent tip burn tolerance and strong plant vigor. Gladius delivers consistent head quality and uniformity throughout the season, making it a dependable choice for year-round greenhouse production. Best for: Year-round production, retail 6. Cosbee F1 — Full-Size A classic cos-type romaine with excellent head structure, crisp texture, and strong consumer appeal. Cosbee is well-suited to retail and foodservice markets and delivers reliable yields in greenhouse and hydroponic production systems. Best for: Retail, foodservice 7. Solid King F1 — Midi A midi romaine with a tightly blanched heart and excellent eating quality. Solid King is well-suited to single-serve retail and premium foodservice markets where heart quality and presentation are priorities. Available in untreated pelleted seed. Best for: Single-serve retail, premium foodservice 8. Sparx F1 — Full-Size A vigorous full-size romaine with excellent uniformity and strong tip burn tolerance. Sparx delivers consistent head weight and quality and is well-suited to high-density greenhouse and hydroponic production. Available in both pelleted and non-pelleted seed formats. Best for: High-density greenhouse & hydroponics 9. Elizium F1 — Full-Size A reliable full-size romaine with good head weight and consistent performance. Elizium is well-suited to commercial greenhouse production and delivers attractive, well-formed heads with good shelf life. Best for: Commercial greenhouse production 10. Cobain F1 — Midi Our most popular midi romaine. Cobain produces compact, well-formed heads with excellent uniformity and strong tip burn tolerance. It is well-suited to living lettuce and single-serve retail applications, delivering attractive, crisp heads with good shelf life. Best for: Living lettuce, single-serve retail Quick Comparison Variety Type Key Traits Best For Tacitus F1 (41-200) Full-size Top seller, excellent tip burn tolerance, outstanding uniformity Foodservice, retail bags, year-round production Rabello F1 Full-size Excellent uniformity, good tip burn tolerance Retail, foodservice Solid Heart F1 Full-size Tightly blanched heart, excellent eating quality Whole-head retail, premium foodservice Monte Carlo F1 Full-size Reliable, versatile, consistent performance General greenhouse & hydroponic production Gladius F1 (41-CO1089) Full-size Excellent tip burn tolerance, strong vigor Year-round production, retail Cosbee F1 Full-size Classic cos type, crisp texture, strong consumer appeal Retail, foodservice Solid King F1 Midi Tightly blanched heart, excellent eating quality Single-serve retail, premium foodservice Sparx F1 Full-size Strong tip burn tolerance, high-density production High-density greenhouse & hydroponics Elizium F1 Full-size Good head weight, consistent performance Commercial greenhouse Cobain F1 Midi Compact, excellent uniformity, tip burn tolerant Living lettuce, single-serve retail Production Tips for Greenhouse Romaine Seeding All Paramount Seeds romaine varieties are available in pelleted seed for precise, efficient seeding in plug trays. Sow into 128- or 200-cell plug trays using a well-draining seedling mix. Germination typically occurs within 3–5 days at 18–22°C (65–72°F). See our pelleted lettuce germination guide for step-by-step instructions. Transplanting Transplant at the 2–3 true leaf stage into NFT channels, DWC systems, or growing media. Standard spacing for full-size romaine in greenhouse systems: 20–25 cm in-row spacing (approximately 16–25 plants/m²). Temperature Romaine lettuce performs best at day temperatures of 18–22°C (65–72°F) and night temperatures of 14–18°C (57–65°F). Avoid temperatures above 25°C, which can cause tip burn and bolting. Supplemental cooling or shading is recommended during summer production. Tip Burn Management Tip burn is the most common quality issue in greenhouse romaine production, caused by calcium deficiency in rapidly growing inner leaves. See our full guide on controlling tipburn in hydroponic lettuce for detailed management strategies. Key steps include: Choose varieties with strong tip burn tolerance (Tacitus, Gladius, and Sparx are top performers). Maintain good air circulation within the canopy — use horizontal airflow fans to reduce boundary layer resistance. Avoid excessive nitrogen fertilization, which promotes rapid growth and increases tip burn risk. Maintain consistent irrigation and avoid large fluctuations in EC and moisture levels. Supplemental calcium foliar sprays can help in high-risk periods. Disease Monitoring Scout regularly for early signs of disease. Our lettuce disease identification guide covers the most common issues in greenhouse production. In recirculating systems, Pythium root rot is a key risk — prevention through water temperature management and sanitation is far more effective than curative treatment. Harvest Harvest when heads reach target weight and the inner leaves are well-blanched. Cut cleanly at the base and handle gently to avoid bruising. For living lettuce production (Cobain, Solid King), harvest with roots intact and package in clamshells or bags with the root ball. Final Thoughts For most commercial greenhouse operations, Tacitus F1 is our top recommendation — outstanding tip burn tolerance, excellent uniformity, and proven performance across a wide range of growing conditions. For heart-quality specialists, Solid Heart F1 is an excellent choice. For midi and living lettuce production, Cobain F1 and Solid King F1 deliver excellent results. Contact our team to discuss variety selection, seed availability, and trial options for your upcoming season. We’re here to help you grow with confidence.
Greenhouse Beefsteak Tomatoes: Top Varieties from Paramount Seeds

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Greenhouse Beefsteak Tomatoes: Top Varieties from Paramount Seeds

by Paramount Seeds on Jul 27 2026
Beefsteak tomatoes remain the cornerstone of commercial greenhouse tomato production. Explore our most popular varieties and discover the latest ToBRFV-resistant options now available.
Papaya Production: A Grower's Guide to Varieties, Cultivation, and Harvest

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Papaya Production: A Grower's Guide to Varieties, Cultivation, and Harvest

by Paramount Seeds on Jul 26 2026
Papaya is a globally important crop This guide covers variety selection from the Paramount Seeds catalog, site requirements, planting, nutrition, pest and disease management, and harvest for commercial papaya production.
Small but Mighty: A Grower's Guide to Grape, Cherry, Cocktail & Novelty Tomatoes

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Small but Mighty: A Grower's Guide to Grape, Cherry, Cocktail & Novelty Tomatoes

by Paramount Seeds on Jul 26 2026
When it comes to greenhouse tomato production, the small-fruited categories consistently deliver some of the highest returns per square foot. Grape, cherry, cocktail, and novelty types offer growers a compelling combination of high brix, strong shelf life, and broad market appeal — from retail packs to premium foodservice
Crisp, Productive & In Demand: A Grower's Guide to Mini Cucumbers from Paramount Seeds

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Crisp, Productive & In Demand: A Grower's Guide to Mini Cucumbers from Paramount Seeds

by Paramount Seeds on Jul 26 2026
Introduction Mini cucumbers — also known as beit alpha, Persian, or Lebanese cucumbers — have become one of the fastest-growing segments in the fresh produce market. Their thin skin, seedless interior, mild flavor, and snack-ready size make them a retail staple and a high-value crop for greenhouse growers. Paramount Seeds offers an excellent selection of mini cucumber varieties suited to common production systems. This guide highlights our top varieties and helps you match the right cultivar to your operation. For germination best practices, see our cucumber germination guide. What Makes Mini Cucumbers a Strong Crop Choice? Mini cucumbers consistently deliver strong returns for greenhouse growers. Their parthenocarpic (all-female) flowering habit eliminates the need for pollination, making them well-suited to protected cultivation. Compact fruit size (typically 10–18 cm) allows for efficient packing, premium retail presentation, and versatile packaging formats — from clamshells to snack bags. High yield potential, good shelf life, and broad consumer appeal round out the commercial case. For guidance on treated vs. untreated seed options across our mini cucumber range, see our dedicated guide. Variety Highlights Splash F1 is our current top recommendation for heated greenhouse production. This hybrid delivers uniform fruit quality, excellent taste and crunchiness, and strong vigor throughout the crop cycle. Its open plant habit with self-terminating side shoots suits both umbrella and high-wire systems. Suitable for all four crop cycles (Winter, Spring, Summer, Fall) with HR to CVYV, ZYMV, Ccu, and Px. Jawell F1 is one of our most popular year-round varieties. With a fruit length of 14–16 cm, medium vigor, open plant habit, and short internodes, Jawell is easy to grow and harvest. Excellent fruit quality and taste, good shelf life, and versatile packaging options make it a strong retail performer. Recommended planting window: January to September. Picowell F1 from Rijk Zwaan is a labor-friendly, open plant type with strong fruit set and a good balance between vegetative and generative stages. Fruits are approximately 15 cm, straight, dark green, and fall in the fine grading. Adapted for both traditional year-round cultivation and artificial light production. HR: Ccu; IR: Px. Deltastar F1 is a vigorous variety suited to summer, autumn, and early spring cultivation. Its open plant habit and longer crop suitability make it a good fit for extended production cycles. Fruits are 16–18 cm, dark green, and slightly ribbed with excellent shelf life and flavor. HR: Cca/Ccu/Px; IR: CMV/CVYV. Socrates F1 from Enza Zaden produces tender, sweet, dark green fruits of 17–18 cm (7 inches). Adapted to both open field and unheated greenhouse conditions, it performs best in spring and fall. Necrosis-free. HR: Ccu; IR: Px/CMV/CVYV. Colin F1 is an early beit alpha type with a semi-multi-fruited habit, small leaves, and short internodes. Parthenocarpic and all-female flowered, it produces slightly veined, nicely colored fruits averaging 15–17 cm. Best suited to late autumn and early spring greenhouse production. Quail F1 is a compact beit alpha type with fruits averaging 10–12 cm — ideal for snack and baby cucumber markets. Parthenocarpic with very good taste and aroma, suitable for daily harvest. Best in late autumn and early spring greenhouse cycles. Parakeet F1 is a true baby/snack cucumber with fruits averaging 9–11 cm. Light green, shiny, and flavorful, with productive lateral shoots and a multi-fruited habit. Suited to late autumn and early spring greenhouse production. Shop All Mini Cucumber Varieties → Variety Comparison at a Glance Variety Fruit Size Season / System Plant Habit Key Strength Disease Resistance Highlights Splash F1 ~15 cm All seasons / Heated greenhouse Open, self-terminating laterals Year-round adaptability, excellent taste & crunch HR: CVYV, ZYMV, Ccu, Px; IR: CGMMV Jawell F1 14–16 cm Jan–Sep / Greenhouse Open, short internodes Year-round, easy harvest, strong retail appeal IR: Px (Powdery Mildew) Picowell F1 ~15 cm Year-round / Greenhouse & Artificial light Open, labor-friendly Strong fruit set, fine grading, good shelf life HR: Ccu; IR: Px Deltastar F1 16–18 cm Summer–Spring / Greenhouse & Outdoor Open, vigorous Extended crop suitability, excellent shelf life HR: Cca/Ccu/Px; IR: CMV/CVYV Socrates F1 17–18 cm Spring–Fall / Unheated greenhouse & Field Medium vigor Open field adaptability, necrosis-free HR: Ccu; IR: Px/CMV/CVYV Colin F1 15–17 cm Late Autumn–Early Spring / Greenhouse Small leaves, short internodes Early type, semi-multi-fruited, parthenocarpic — Quail F1 10–12 cm Late Autumn–Early Spring / Greenhouse Compact, short internodes Snack/baby size, excellent taste & aroma — Parakeet F1 9–11 cm Late Autumn–Early Spring / Greenhouse Compact, productive laterals True baby size, shiny fruit, daily harvest — Choosing the Right Variety for Your Operation For heated year-round greenhouse production, Splash F1 and Jawell F1 are the top picks — both offer strong vigor, consistent quality, and broad seasonal adaptability. For spring and summer outdoor or unheated greenhouse programs, Socrates F1 delivers reliable performance with good field adaptability. For snack and baby cucumber markets, Quail F1 and Parakeet F1 offer the compact fruit size and daily-harvest habit that premium snack programs demand. For extended summer-to-spring cycles, Deltastar F1’s vigor and shelf life make it a strong long-season option. Our AI variety selection guide can also help you model performance in your specific conditions. Further Reading Mini Cucumbers: Growing Guide for Greenhouse Growers Best Methods to Germinate Greenhouse Cucumber Seed Which Rootstock Should I Use? (includes cucurbit rootstock) Treated vs. Untreated Seeds: Which Should You Choose? Summer Planting Guide: Lettuce, Tomatoes & Cucumbers Ready to Order? Shop Mini Cucumbers → Shop Long English Cucumbers → Contact Our Team → Browse All Cucumber Varieties →
Greenhouse Basil Production: Varieties & Best Practices from Paramount Seeds

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Greenhouse Basil Production: Varieties & Best Practices from Paramount Seeds

by Paramount Seeds on Jul 23 2026
A complete guide to greenhouse basil production, covering variety selection, environmental management, seeding, spacing, and pest and disease control — featuring basil varieties from Paramount Seeds.
How to Graft Greenhouse Tomatoes: A Step-by-Step Guide

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How to Graft Greenhouse Tomatoes: A Step-by-Step Guide

by Paramount Seeds on Jul 23 2026
Grafting greenhouse tomatoes takes a little practice, but the payoff is well worth it. With disease-resistant rootstocks from Paramount Seeds and your favorite high-yielding scion varieties, you can expect healthier plants, bigger harvests, and a more resilient greenhouse operation.
Microgreens for Greenhouse Production: Best Crops, Setup, and What to Grow

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Microgreens for Greenhouse Production: Best Crops, Setup, and What to Grow

by Paramount Seeds on Jul 22 2026
Microgreens are one quickets crops to produce. This guide covers the best microgreen varieties for greenhouse production, setup requirements, and how to build a profitable microgreens program alongside your main crops.
Mini Cucumbers: Growing Guide for Greenhouse Growers

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Mini Cucumbers: Growing Guide for Greenhouse Growers

by Paramount Seeds on Jul 22 2026
A comprehensive growing guide for mini cucumbers in greenhouse production — covering variety selection, environmental requirements, training systems, nutrition, IPM, and harvest best practices.
Preparing Your Greenhouse for Fall Production: Tomatoes, Cucumbers & Lettuce

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Preparing Your Greenhouse for Fall Production: Tomatoes, Cucumbers & Lettuce

by Paramount Seeds on Jul 21 2026
A practical checklist for transitioning your greenhouse into fall production — covering sanitation, seeding schedules, climate adjustments, and variety selection for tomatoes, cucumbers, and lettuce.