Seed Varieties for Greenhouse Production | Johnny's Selected Seeds

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It's important to be selective when choosing seeds for greenhouse growing. You want high-yielding varieties to maximize your investment in the structure, along with the necessary disease resistance for maintaining plant health. Johnny's is here to help you decide what to grow in a greenhouse. We have identified the following top-performing greenhouse vegetables, flowers, and herbs to ensure your success.

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Truchas Romaine Lettuce (Cos)

Truchas

Organic Pelleted Lettuce Seed

Compact, filled-out mini heads that are dark red even in the North.

Adam Gherkin Pickling Cucumbers

Adam Gherkin

Organic (F1) Cucumber Seed

High-quality European pickler with high yields.

Dragoon Romaine Lettuce (Cos)

Dragoon

Organic Pelleted Lettuce Seed

Compact, uniform, mini romaine with excellent texture.

ProCut® Lemon Tall Sunflowers

ProCut® Lemon

(F1) Sunflower Seed

Lemon yellow petals surround a dark disk.

Potomac Appleblossom Warm Season (Groups 3–4)

Potomac Appleblossom

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Thai Thai Prospera® Active DMR Asian Basil

Thai Thai Prospera® Active DMR

Organic Basil Seed

Thai basil with high resistance to downy mildew.

Chantilly™ Light Salmon Snapdragon

Chantilly™ Light Salmon

(F1) Snapdragon Seed

Early, open-faced flowers.

Everleaf Lemon Citrus Basil

Everleaf Lemon

Basil Seed

Exceptional citrus basil.

Tasty Jade Specialty Cucumbers

Tasty Jade

(F1) Cucumber Seed

Delicious long Asian cucumber with vigorous, high-yielding plants.

Champion II Deep Blue Campanula (Bellflower)

Champion II Deep Blue

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

Rex Butterhead Lettuce (Boston)

Rex

Pelleted Lettuce Seed

Standard hydroponic variety, excellent summer greenhouse performer.

Prospera® DMR (CG1) Genovese Basil

Prospera® DMR (CG1)

Organic Pelleted (F1) Basil Seed

Fast-growing, classic Genovese. Downy mildew and Fusarium resistant.

Potomac Ivory Warm Season (Groups 3–4)

Potomac Ivory

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Elan Strawberry Seeds

Elan

(F1) Strawberry Seed

Most flavorful day-neutral variety for field or container.

Potomac Yellow Warm Season (Groups 3–4)

Potomac Yellow

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Sweet™ White Dianthus (Sweet William)

Sweet™ White

Pelleted (F1) Dianthus Seed

High-quality, cool season cut flower.

Socrates Seedless and Thin-skinned Cucumbers

Socrates

Organic (F1) Cucumber Seed

Large Beit Alpha for colder conditions.

Potomac Lavender Warm Season (Groups 3–4)

Potomac Lavender

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.