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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Maryland Flamingo I–II Cool Season (Groups 1–2)

Maryland Flamingo I–II

(F1) Snapdragon Seed

Vibrant coral snapdragon for short-day production.

Breen Romaine Lettuce (Cos)

Breen

Pelleted Lettuce Seed

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

Milena Sweet Bell Peppers

Milena

(F1) Bell Pepper Seed

Blocky orange pepper for heated and unheated tunnels.

Pozzano Paste Tomatoes

Pozzano

Organic (F1) Tomato Seed

Early high-yielding San Marzano type for greenhouse and hoophouse.

Lihi Prospera® Active DMR Compact Genovese Basil

Lihi Prospera® Active DMR

Organic Basil Seed

Highly resistant to downy mildew.

Sweet™ Purple White Bicolor Dianthus (Sweet William)

Sweet™ Purple White Bicolor

Pelleted (F1) Dianthus Seed

High-quality, cool season cut flower.

Rosanne Green Lisianthus

Rosanne Green

Pelleted (F1) Lisianthus Seed

Novel blooms with slightly ruffled petals and outstanding color.

Marbonne Specialty Tomatoes

Marbonne

(F1) Tomato Seed

Hybrid version of French heirloom Marmande; among the best in flavor.

Gatsbi Bibb Lettuce

Gatsbi

Lettuce Seed

High-performance gem type.

Olly Sweet Bell Peppers

Olly

Organic (F1) Bell Pepper Seed

Early red bell for tunnel or field production.

Socrates Seedless and Thin-skinned Cucumbers

Socrates

Organic (F1) Cucumber Seed

Large Beit Alpha for colder conditions.

Clementine Cocktail Tomatoes

Clementine

Organic (F1) Tomato Seed

Unique orange cocktail tomato with appealing, sweet-tart flavor.

Voyage 2 Yellow II Voyage 2 Series

Voyage 2 Yellow II

Pelleted (F1) Lisianthus

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

Costa Rose II Snapdragon

Costa Rose II

(F1) Snapdragon Seed

Versatile Group 2 snapdragon.

Breen Romaine Lettuce (Cos)

Breen

Lettuce Seed

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

Cauralina Specialty Tomatoes

Cauralina

(F1) Tomato Seed

Heirloom-like oxheart for the greenhouse.

Marnero Beefsteak Tomatoes

Marnero

(F1) Tomato Seed

Hybrid with black heirloom quality; dead ringer for Cherokee Purple.

Potomac Red Snapdragon

Potomac Red

(F1) Snapdragon seed

Refined all-season series for field or greenhouse growing.

Avignon Pink II Snapdragon

Avignon Pink II

(F1) Snapdragon Seed

Soft pink snapdragons for short-day production.

Marnouar Beefsteak Tomatoes

Marnouar

(F1) Tomato Seed

High-performance purple beefsteak.

Cannes Lavender II–III Snapdragon

Cannes Lavender II–III

(F1) Snapdragon Seed

Early summer snapdragon.

Chantilly™ Purple Snapdragon

Chantilly™ Purple

(F1) Snapdragon Seed

Early, open-faced flowers.

Margold Beefsteak Tomatoes

Margold

(F1) Tomato Seed

Bicolor for sustained harvest.

Opus™ III Early Bronze Snapdragon

Opus™ III Early Bronze

(F1) Snapdragon Seed

Vibrant, orange-bronze summer snapdragon.

RuBee Dawn Slicing Tomatoes

RuBee Dawn

(F1) Tomato Seed

A great start to tomato season.

Prospera® DMR (PS5) Basil

Prospera® DMR (PS5)

Organic (F1) Basil Seed

Multiuse Genovese basil with downy mildew and Fusarium resistance.

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

Cannes Pink II–III

(F1) Snapdragon Seed

Classic pink Group 2–3 snapdragon.

Aroma 2 Genovese Basil

Aroma 2

Organic Basil Seed

Fast-growing Fusarium-resistant Genovese type for greenhouse or field.

Sprinter Sweet Bell Peppers

Sprinter

Organic (F1) Bell Pepper Seed

Blocky red bell for heated and unheated tunnel production.

Caiman Beefsteak Tomatoes

Caiman

Organic (F1) Tomato Seed

Beautiful early beefsteak.

Sweet™ Black Cherry Dianthus (Sweet William)

Sweet™ Black Cherry

Pelleted (F1) Dianthus Seed

High-quality, cool-season cut flower.

Kakao Specialty Tomatoes

Kakao

(F1) Tomato Seed

Delicious brown cocktail tomato.

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

Cannes Red II–III

(F1) Snapdragon Seed

Rich red Group 2–3 snapdragon.

Prospera® DMR (CG1) Genovese Basil

Prospera® DMR (CG1)

Organic (F1) Basil Seed

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

Qwerty Seedless and Thin-skinned Cucumbers

Qwerty

(F1) Cucumber Seed

Premium cocktail cucumber.

Lilo Sweet Bell Peppers

Lilo

Organic (F1) Bell Pepper Seed

Blocky purple bell for tunnel and field production.