Product Highlight

Geronimo F1 is a benchmark beefsteak tomato variety from DeRuiter, trusted in commercial greenhouse production for its large, firm fruit, high yield, and strong disease resistance. Ideal for glasshouse growers at lower density and later planting windows.

Successful greenhouse lettuce programs rarely rely on a single variety. The most productive operations pair complementary types — covering different head structures, harvest models, and market segments. Here’s how to think about building your mix, based on what works in commercial greenhouse production. Why Pair Varieties? Different lettuce types serve different markets, harvest cycles, and buyer preferences. A well-paired program reduces your exposure to demand shifts in any one category, improves visual variety for retail and foodservice buyers, and gives you flexibility across production cycles. The most effective pairings tend to combine varieties by head type — not just by variety name. Proven Variety Pairings for Greenhouse Production Butterhead + Batavia (Greenleaf) A classic combination that covers two of the most in-demand head types. Butterhead varieties like Rex F1 and Frank F1 deliver consistent heading, excellent shelf life, and strong tipburn tolerance — ideal for clamshell retail. Paired with a batavia like Muir Greenleaf, you add an open-leaf structure with a crunchier texture that appeals to loose-leaf and salad mix buyers. 👉 Shop Rex F1 Butterhead Lettuce | Shop Muir Greenleaf Lettuce (Batavia) 📖 Rex F1 Butterhead — The Industry Standard for Greenhouse & Hydroponic Production Butterhead + Romaine Two dominant head-lettuce categories with minimal overlap in the market. Rex F1 Butterhead paired with Tacitus F1 Romaine gives growers coverage across grocery retail and CSA boxes where variety is expected. Fairly F1 Butterhead and Elizium F1 Romaine is another strong combination — the softer butterhead texture contrasts well with Elizium’s upright, disease-resistant romaine heads. 👉 Shop Elizium F1 Romaine Lettuce | Shop Rex F1 Butterhead Lettuce | Shop Fairly F1 Butterhead Lettuce 📖 Tacitus F1 Romaine — Tipburn Resistance Meets Dark Green Elegance Oakleaf + Batavia + Romaine (Full-Spectrum Program) For operations running multipack or mixed-head programs, a three-variety combination covering oakleaf, batavia, and romaine delivers the broadest market coverage. Rouxai F1 Oakleaf brings visual appeal and a distinctive leaf shape; Muir Greenleaf adds batavia crunch; Tacitus F1 Romaine provides the dark green, upright heads that perform in both retail and foodservice. 👉 Shop Rouxai F1 Oakleaf Lettuce | Shop Muir Greenleaf Lettuce (Batavia) | Shop Tacitus F1 Romaine Lettuce 📖 Red & Green Pairing Chart for Multipacks Multileaf + Midi Romaine Multileaf varieties are increasingly popular for cut-and-come-again and living lettuce production. Pairing a multileaf like Crispenza F1 with a compact romaine like Cobain F1 Midi Romaine gives growers flexibility across harvest cycles — running both full-head and living lettuce programs from the same greenhouse. 👉 Shop Cospenza F1 Multileaf Lettuce | Shop Cristabel F1 Multileaf Lettuce 📖 Multileaf Lettuce — The Grower’s Guide to Varieties from Paramount Seeds How to Build Your Program Start with two head types. Butterhead + romaine or butterhead + batavia are the most versatile starting points. They serve different buyer segments without competing for the same shelf position. Add a specialty type for flexibility. Oakleaf, multileaf, or crystal varieties support different harvest models and add visual differentiation for retail. They’re a natural third SKU once your core program is established. Balance red and green. If you’re supplying retail multipacks, color balance matters as much as variety. Our Red & Green Pairing Chart is the best reference for building a visually market-ready mix. Browse the Full Lettuce Catalog 👉 Shop All Lettuce Varieties — pelleted, non-pelleted, butterhead, romaine, multileaf, crystal, oakleaf, and more. 📖 Related reading: Which Romaine Lettuce Should I Use for Greenhouse Production? Crystal Lettuce Varieties: How To Choose? Non-Pelleted Lettuce Varieties for Microgreens and Baby Leaf Production Looking To Grow a Red Lettuce Variety? A Hydroponic Grower’s Guide Pythium Prevention in Hydroponic Lettuce Pairing Summary Pairing Best For Key Varieties Butterhead + Batavia Clamshell retail + loose-leaf/salad mix Rex F1, Frank F1 + Muir Greenleaf Butterhead + Romaine Grocery retail, CSA boxes Rex F1 + Tacitus F1, Fairly F1 + Elizium F1 Oakleaf + Batavia + Romaine Multipack & mixed-head programs Rouxai F1 + Muir Greenleaf + Tacitus F1 Multileaf + Midi Romaine Cut-and-come-again, living lettuce Cospenza F1 + Cristabel F1

Red Lady 786 F1 is one of the most widely grown commercial papaya varieties in the world — and for good reason. Developed in Taiwan, it combines reliable fruit set, strong yields, and good disease tolerance in a compact, manageable plant. Here's what growers need to know. Variety Overview Red Lady 786 F1 Papaya Seed is a hybrid papaya variety producing red-fleshed fruit with excellent sweetness and commercial appeal. It is one of the most recognized papaya varieties globally, particularly in tropical and subtropical growing regions. For a broader look at papaya production and variety selection, see our Papaya Production: A Grower's Guide to Varieties, Cultivation, and Harvest. Buy Red Lady 786 F1 Papaya Seed → Key Performance Characteristics Fruit size: Averaging 1.5 to 2.0 kg per fruit — a commercially preferred size for retail and export markets. Fruit set height: Sets fruit at an average of 70 cm above soil, keeping the harvest zone accessible and reducing labor costs. Understanding papaya sex ratios is important for maximizing fruit set in your planting. Time to first harvest: Produces fruit on average nine months from seed — a relatively fast production cycle for papaya. Yield: Trees produce approximately 35 fruits per season. Note that first-year production is typically larger than second-year production. Flesh color: Deep red — high visual appeal for fresh market and foodservice. Sweetness: Good Brix levels; well suited to fresh consumption and premium retail. Shipping: Fruit ships well, making it a strong choice for growers supplying regional or export markets. Disease Tolerance Red Lady 786 F1 carries tolerance to Papaya Ring Spot Virus (PRSV) — one of the most damaging diseases in commercial papaya production. This tolerance is a key reason for its widespread adoption in tropical growing regions where PRSV pressure is high. Note: This variety has been observed to be less resistant to fungal diseases compared to Certified Red Maradol. Growers in high-humidity environments should maintain a proactive fungicide program and ensure good airflow around plants. Seed Specifications Origin: Taiwan Seed treatment: Untreated (standard) Approximate seed count: ~480 seeds per 10g pack (±48,000 seeds/kg). Seed count may vary 10–20% depending on seed lot and production year. Minimum germination: 75% All papaya seed orders are final — non-returnable and non-refundable. Complementary Variety Looking for an alternative with similar red-fleshed fruit characteristics? Consider Red Nemesis F1 — read our Red Nemesis F1 variety spotlight for a detailed comparison of its performance characteristics. You can also compare the full range in our papaya varieties guide. Further Reading Papaya Production: A Grower's Guide to Varieties, Cultivation, and Harvest Papaya Sex Ratios: Male, Female, and Hermaphrodite Plants Explained What Is Brix? Understanding Sugar Content and Fruit Quality Treated vs. Untreated Seeds: Which Should You Choose? Ready to Order? Order Red Lady 786 F1 Papaya Seed → Browse All Papaya Varieties →   Contact Our Team → Disclaimer: This article is for general informational purposes only. Variety performance may vary depending on growing environment, climate, soil conditions, and local disease pressure. Always consult a local agronomist or extension specialist for production recommendations specific to your region.

Kale is an extremely popular crop choice. Whether you're growing full heads, baby leaf, or microgreens, the right variety makes a significant difference in yield, color, flavor, and market appeal. Here's our breakdown of the kale varieties available from Paramount Seeds. Shop All Kale Varieties → Lacinato (Dinosaur) Kale Lacinato Dinosaur Kale — Shop NowThe classic Italian heirloom kale with dark blue-green, pebbled leaves and a rich, earthy flavor. Lacinato — also known as Tuscan or Dinosaur kale — is a premium variety with strong demand from chefs, specialty retailers, and farmers markets. Its distinctive leaf texture and deep color make it a standout in any produce display. Red Russian Kale Red Russian Kale — Shop NowA flat-leaved kale with distinctive purple-red stems and a tender, mild flavor — one of the most popular kale varieties for baby leaf and microgreen production. Red Russian is fast-growing, early to harvest, and produces attractive, deeply lobed leaves with excellent color contrast. A staple in premium baby leaf mixes and a farmers market favorite. For more on non-pelleted seed options suited to baby leaf and microgreen programs, see our non-pelleted variety guide. Vates Blue Curled Kale Kale — Vates (Blue Curled) — Shop NowA compact, tightly curled blue-green kale with excellent cold hardiness and a long harvest window. Vates is a reliable open-pollinated variety well suited to fall and winter greenhouse production, with good uniformity and strong yield. A practical choice for growers who need a dependable curled kale without the cost of F1 hybrid seed. Winterbor F1 Kale — Winterbor F1 — Shop NowA vigorous F1 hybrid, tightly curled blue-green kale with excellent cold tolerance and strong yield. Winterbor F1 is the standard for fresh-cut and bunched kale production, with a long harvest window and outstanding shelf life. Its uniform, upright habit makes it well suited to both field and greenhouse production. A top choice for growers supplying retail and foodservice markets year-round. Choosing the Right Kale Variety Type Best For Lacinato Dinosaur Flat, dark blue-green Chefs, specialty retail, farmers markets Red Russian Flat, purple-red stems Baby leaf, microgreens, farmers markets Vates Blue Curled Curled, blue-green (OP) Fall/winter greenhouse, OP alternative to Winterbor Winterbor F1 Curled, blue-green (F1) Retail bunches, fresh-cut, year-round greenhouse Production Tips Kale seed from Paramount Seeds is supplied untreated as standard unless otherwise noted. For microgreen and baby leaf production, substrate choice matters — see our greenhouse growing media comparison for guidance on rockwool, coco coir, and peat options suited to high-density seeding. Ready to Order? Browse our kale variety collection or contact us to get help selecting the right varieties for you.

Tacitus F1 is a medium to large framed romaine lettuce with excellent tipburn resistance and dark green open hearts — suited to field, greenhouse, and hydroponic production in pelleted seed format.

Muir is a medium-sized batavia greenleaf lettuce with upright heads, sweet flavor, and strong resistance to bolting, tipburn, downy mildew, and aphids. Available in pelleted seed format for precision seeding in field and unheated greenhouse production.

Torero F1 is a high-yield red beefsteak tomato from DeRuiter — delivering large fruit, firm texture, ~14-day shelf life, and a broad disease resistance package for long-season greenhouse programs.

Splash F1 is Paramount Seeds' top-recommended mini cucumber for year-round heated greenhouse production — delivering uniform fruit quality, excellent taste, and broad disease resistance across all four crop cycles.

A product spotlight on Red Nemesis F1 Papaya — a semi-dwarf hybrid with deep red flesh, 19–21% TSS sweetness, very high yield potential, and high tolerance to PRSV. A strong alternative to Red Lady 786.

A deep-dive product spotlight on Bigdena F1 Beefsteak Tomato — one of Paramount Seeds' proven high-yield, low-labor greenhouse varieties. Learn what makes it a grower favorite and how it compares to alternatives.