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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Rex Butterhead Lettuce (Boston)

Rex

Pelleted Lettuce Seed

Standard hydroponic variety, excellent summer greenhouse performer.

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.

Potomac Ivory Warm Season (Groups 3–4)

Potomac Ivory

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

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.

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.

Truchas Romaine Lettuce (Cos)

Truchas

Organic Pelleted Lettuce Seed

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

Champion Lavender Campanula (Bellflower)

Champion Lavender

Pelleted (F1) Campanula Seed

Uniform, productive cut flower.

Chantilly™ Light Pink Snapdragon

Chantilly™ Light Pink

(F1) Snapdragon Seed

Early, open-faced flowers.

Excelsior Pickling Cucumbers

Excelsior

Organic (F1) Cucumber Seed

Attractive, high-yielding greenhouse pickler with excellent flavor.

Avignon Ivory II Cool Season (Groups 1–2)

Avignon Ivory II

(F1) Snapdragon Seed

Versatile Group 2 snapdragon.

Soraya Tall Sunflowers

AAS (All-America Selections) Winners

Soraya

Sunflower Seed

First sunflower to win an All-America Selections award.

ProCut® Lemon Tall Sunflowers

ProCut® Lemon

(F1) Sunflower Seed

Lemon yellow petals surround a dark disk.

Chantilly™ Cream Yellow Snapdragon

Chantilly™ Cream Yellow

(F1) Snapdragon Seed

Early, open-faced flowers.

Potomac Appleblossom Warm Season (Groups 3–4)

Potomac Appleblossom

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Costa II Mix Snapdragon

Costa II Mix

(F1) Snapdragon Seed

Early mix for spring and summer production.

Chantilly™ White Snapdragon

Chantilly™ White

(F1) Snapdragon Seed

Early, open-faced flowers.