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 Lettuce Seed

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

Katrina Seedless and Thin-skinned Cucumbers

Katrina

Organic (F1) Cucumber Seed

Tasty snacking cucumber with good heat tolerance.

ProCut® Gold Lite DMR Tall Sunflowers

ProCut® Gold Lite DMR

(F1) Sunflower Seed

Downy mildew resistance and improved appearance.

Diva Seedless and Thin-skinned Cucumbers

AAS (All-America Selections) Winners

Diva

Cucumber Seed

Especially flavorful harvested small, adapted to field and greenhouse.

Prospera® Compact DMR (PL4) Genovese Basil

Prospera® Compact DMR (PL4)

Organic (F1) Basil Seed

Compact Genovese basil. Downy mildew and Fusarium resistant.

ProCut® Peach Tall Sunflowers

ProCut® Peach

(F1) Sunflower Seed

Exciting addition to the ProCut series.

Quick Snack Specialty Cucumbers

Quick Snack

(F1) Cucumber Seed

Delicious patio cucumber.

Corinto Slicing Cucumbers

Corinto

Organic (F1) Cucumber Seed

Our reliable and productive workhorse slicer.

Champion II White Campanula (Bellflower)

Champion II White

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

ProCut® Orange Excel Tall Sunflowers

ProCut® Orange Excel

(F1) Sunflower Seed

Earliest sunflower.

Unagi Seedless and Thin-skinned Cucumbers

Unagi

(F1) Cucumber Seed

Smooth skin and amazing flavor.

Johnny's Early Sunrise Mix Snapdragon

Johnny's Early Sunrise Mix

(F1) Snapdragon Seed

Early, fiery-colored blend for field or greenhouse.

Johnny's Potomac Custom Mix Snapdragon

Johnny's Potomac Custom Mix

(F1) Snapdragon Seed

Refined all-season series for field or greenhouse growing.

Sashimi Seedless and Thin-skinned Cucumbers

Sashimi

(F1) Cucumber Seed

Our highest-performing Japanese type.

Champion Lavender Campanula (Bellflower)

Champion Lavender

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

ProCut® Horizon Tall Sunflowers

ProCut® Horizon

(F1) Sunflower Seed

Highly uniform addition to the ProCut series.

ProCut® Bicolor Tall Sunflowers

ProCut® Bicolor

(F1) Sunflower Seed

Mahogany red flowers with orange tips and a dark disk.

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.

ProCut® Red/Lemon Bicolor Tall Sunflowers

ProCut® Red/Lemon Bicolor

(F1) Sunflower Seed

Red petals with lemon tips and a dark disk.

Champion II Rose Campanula (Bellflower)

Champion II Rose

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.

Champion II Pink Campanula (Bellflower)

Champion II Pink

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

Johnny's Potomac Summer Berry Blend Snapdragon

Johnny's Potomac Summer Berry Blend

(F1) Snapdragon Seed

Refined berry-colored blend for field or greenhouse.

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.

Dragoon Romaine Lettuce (Cos)

Dragoon

Organic Pelleted Lettuce Seed

Compact, uniform, mini romaine with excellent texture.

Rex Butterhead Lettuce (Boston)

Rex

Pelleted Lettuce Seed

Standard hydroponic variety, excellent summer greenhouse performer.

Chantilly™ Light Salmon Snapdragon

Chantilly™ Light Salmon

(F1) Snapdragon Seed

Early, open-faced flowers.

Champion II Deep Blue Campanula (Bellflower)

Champion II Deep Blue

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

Adam Gherkin Pickling Cucumbers

Adam Gherkin

Organic (F1) Cucumber Seed

High-quality European pickler with high yields.

Potomac Ivory Warm Season (Groups 3–4)

Potomac Ivory

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.

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.

Prospera® DMR (CG1) Genovese Basil

Prospera® DMR (CG1)

Organic Pelleted (F1) Basil Seed

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