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.

ProCut® Red/Lemon Bicolor Tall Sunflowers

ProCut® Red/Lemon Bicolor

(F1) Sunflower Seed

Red petals with lemon tips and a dark disk.

Sashimi Seedless and Thin-skinned Cucumbers

Sashimi

(F1) Cucumber Seed

Our highest-performing Japanese type.

Dragoon Romaine Lettuce (Cos)

Dragoon

Organic Pelleted Lettuce Seed

Compact, uniform, mini romaine with excellent texture.

ProCut® Horizon Tall Sunflowers

ProCut® Horizon

(F1) Sunflower Seed

Highly uniform addition to the ProCut series.

Potomac Ivory Warm Season (Groups 3–4)

Potomac Ivory

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Quick Snack Specialty Cucumbers

Quick Snack

(F1) Cucumber Seed

Delicious patio cucumber.

Unagi Seedless and Thin-skinned Cucumbers

Unagi

(F1) Cucumber Seed

Smooth skin and amazing flavor.

Avignon Ivory II Cool Season (Groups 1–2)

Avignon Ivory II

(F1) Snapdragon Seed

Versatile Group 2 snapdragon.

Potomac Appleblossom Warm Season (Groups 3–4)

Potomac Appleblossom

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Chantilly™ Cream Yellow Snapdragon

Chantilly™ Cream Yellow

(F1) Snapdragon Seed

Early, open-faced flowers.

Corinto Slicing Cucumbers

Corinto

Organic (F1) Cucumber Seed

Our reliable and productive workhorse slicer.

Gatsbi Bibb Lettuce

Gatsbi

Pelleted Lettuce Seed

High-performance gem type.

Chantilly™ White Snapdragon

Chantilly™ White

(F1) Snapdragon Seed

Early, open-faced flowers.

Voyage 2 Lavender Voyage 2 Series

Voyage 2 Lavender

Pelleted (F1) Lisianthus

Large, decadent, ruffled blooms for early spring to summer harvest.

Costa II Mix Snapdragon

Costa II Mix

(F1) Snapdragon Seed

Early mix for spring and summer production.

Potomac Lavender Warm Season (Groups 3–4)

Potomac Lavender

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Breen Romaine Lettuce (Cos)

Breen

Lettuce Seed

Early producer of truly compact mini heads with bronze-red color.