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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Champion II Rose Campanula (Bellflower)

Champion II Rose

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

Prospera® Italian Large Leaf DMR (ILL2) Italian Large Leaf Basil

Prospera® Italian Large Leaf DMR (ILL2)

Organic (F1) Basil Seed

Fast-growing with large leaves. Downy mildew and Fusarium resistant.

Champion II Pink Campanula (Bellflower)

Champion II Pink

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

Excelsior Pickling Cucumbers

Excelsior

Organic (F1) Cucumber Seed

Attractive, high-yielding greenhouse pickler with excellent flavor.

Soraya Tall Sunflowers

AAS (All-America Selections) Winners

Soraya

Sunflower Seed

First sunflower to win an All-America Selections award.

Truchas Romaine Lettuce (Cos)

Truchas

Organic Pelleted Lettuce Seed

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

ProCut® Lemon Tall Sunflowers

ProCut® Lemon

(F1) Sunflower Seed

Lemon yellow petals surround a dark disk.

Johnny's Potomac Summer Berry Blend Snapdragon

Johnny's Potomac Summer Berry Blend

(F1) Snapdragon Seed

Refined berry-colored blend for field or greenhouse.

Dragoon Romaine Lettuce (Cos)

Dragoon

Organic Pelleted Lettuce Seed

Compact, uniform, mini romaine with excellent texture.

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.

Thai Thai Prospera® Active DMR Asian Basil

Thai Thai Prospera® Active DMR

Organic Basil Seed

Thai basil with high resistance to downy mildew.

Adam Gherkin Pickling Cucumbers

Adam Gherkin

Organic (F1) Cucumber Seed

High-quality European pickler with high yields.

Chantilly™ Light Salmon Snapdragon

Chantilly™ Light Salmon

(F1) Snapdragon Seed

Early, open-faced flowers.

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 Appleblossom Warm Season (Groups 3–4)

Potomac Appleblossom

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Tasty Jade Specialty Cucumbers

Tasty Jade

(F1) Cucumber Seed

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

Sweet™ White Dianthus (Sweet William)

Sweet™ White

Pelleted (F1) Dianthus Seed

High-quality, cool season cut flower.

Everleaf Lemon Citrus Basil

Everleaf Lemon

Basil Seed

Exceptional citrus basil.

Prospera® DMR (CG1) Genovese Basil

Prospera® DMR (CG1)

Organic Pelleted (F1) Basil Seed

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

Potomac Yellow Warm Season (Groups 3–4)

Potomac Yellow

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Sakura Cherry Tomatoes

Sakura

Organic (F1) Tomato Seed

Early, delicious, attractive cherry tomatoes.

Gatsbi Bibb Lettuce

Gatsbi

Pelleted Lettuce Seed

High-performance gem type.

Potomac Orange Warm Season (Groups 3–4)

Potomac Orange

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Prospera® Compact DMR (PL4) Compact Genovese Basil

Prospera® Compact DMR (PL4)

Organic Pelleted (F1) Basil Seed

Compact Genovese basil. Downy mildew and Fusarium resistant.

Socrates Seedless and Thin-skinned Cucumbers

Socrates

Organic (F1) Cucumber Seed

Large Beit Alpha for colder conditions.

Everleaf Thai Towers Asian Basil

Everleaf Thai Towers

Basil Seed

Exceptional Thai basil.

Potomac Lavender Warm Season (Groups 3–4)

Potomac Lavender

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Potomac Cherry Rose Warm Season (Groups 3–4)

Potomac Cherry Rose

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Butterfly™ Eris® Ranunculus

Butterfly™ Eris®

Ranunculus Corm

Unique branching ranunculus.

ProCut® Orange DMR Tall Sunflowers

ProCut® Orange DMR

(F1) Sunflower Seed

Classic variety, now with downy mildew resistance.

Cannes Mix II–III Moderate/Warm Season (Groups 2–3)

Cannes Mix II–III

(F1) Snapdragon Seed

Vibrant, balanced Group 2–3 snapdragon mix.

Potomac Royal Warm Season (Groups 3–4)

Potomac Royal

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Mojito Specialty Cucumbers

Mojito

(F1) Cucumber Seed

Standout color with professional performance.

Five Star Greenhouse Lettuce Mix Lettuce Mixes

Five Star Greenhouse Lettuce Mix

Vegetable Seed

Updated blend of downy mildew resistant varieties.