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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Prospera® DMR (CG1) Genovese Basil

Prospera® DMR (CG1)

Organic Pelleted (F1) Basil Seed

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

Truchas Romaine Lettuce (Cos)

Truchas

Organic Pelleted Lettuce Seed

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

Rex Butterhead Lettuce (Boston)

Rex

Pelleted Lettuce Seed

Standard hydroponic variety, excellent summer greenhouse performer.

Potomac Orange Warm Season (Groups 3–4)

Potomac Orange

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Potomac Royal Warm Season (Groups 3–4)

Potomac Royal

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Potomac Lavender Warm Season (Groups 3–4)

Potomac Lavender

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

TY Yellow Mimi Cherry Tomatoes

TY Yellow Mimi

(F1) Tomato Seed

Improved disease resistance.

Potomac Cherry Rose Warm Season (Groups 3–4)

Potomac Cherry Rose

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Socrates Seedless and Thin-skinned Cucumbers

Socrates

Organic (F1) Cucumber Seed

Large Beit Alpha for colder conditions.

Sunpeach Cherry Tomatoes

Sunpeach

(F1) Tomato Seed

Delicious pink cherry tomato with leaf mold resistance.

Lemon Boy Plus Specialty Tomatoes

Lemon Boy Plus

(F1) Tomato Seed

A delicious yellow tomato.

Maveric Summer Squash

Maveric

(F1) Zucchini Squash Seed

Ideal for tunnel culture.

Gatsbi Bibb Lettuce

Gatsbi

Pelleted Lettuce Seed

High-performance gem type.

Margarita Specialty Cucumbers

Margarita

(F1) Cucumber Seed

Classic shape, modern color.

Voyage 2 First Love Lisianthus

Voyage 2 First Love

Pelleted (F1) Lisianthus

A blush of pale pink.

Breen Romaine Lettuce (Cos)

Breen

Organic Pelleted Lettuce Seed

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

Gimlet Specialty Cucumbers

Gimlet

(F1) Cucumber Seed

Lime green snacker.

Five Star Greenhouse Lettuce Mix Lettuce Mixes

Five Star Greenhouse Lettuce Mix

Vegetable Seed

Updated blend of downy mildew resistant varieties.

Albion – Spring-Planted Strawberry Bare-Root Plants

Albion – Spring-Planted

Organic Strawberry Plants

Day-neutral strawberry yields very large berries with excellent flavor.

Monaco Orange Moderate/Warm Season (Groups 2–3)

Monaco Orange

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Potomac Red Warm Season (Groups 3–4)

Potomac Red

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Superbo Genovese Basil

Superbo

Basil Seed

Improved strain of standard Genovese basil.

Everleaf Compact Genovese Basil

Everleaf

Basil Seed

Productive, compact, and slow-bolting.

Gatsbi Bibb Lettuce

Gatsbi

Lettuce Seed

High-performance gem type.

Butterfly™ Eris® Ranunculus

Butterfly™ Eris®

Ranunculus Corm

Unique branching ranunculus.

Clementine Cocktail Tomatoes

Clementine

Organic (F1) Tomato Seed

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

Potomac Pink Warm Season (Groups 3–4)

Potomac Pink

Pelleted (F1) Snapdragon Seed

Pelleted seed for ease of sowing.

Elegance Formula Mix Sweet Peas

Elegance Formula Mix

Sweet Pea Seed

First and most abundant to bloom in our trials.

Frodo Sweet Bell Peppers

Frodo

(F1) Bell Pepper Seed

Full-flavored Lamuyo type.

Lihi Prospera® Active DMR Compact Genovese Basil

Lihi Prospera® Active DMR

Organic Basil Seed

Highly resistant to downy mildew.

ProCut® Orange DMR Tall Sunflowers

ProCut® Orange DMR

(F1) Sunflower Seed

Classic variety, now with downy mildew resistance.

Avignon Ivory II Cool Season (Groups 1–2)

Avignon Ivory II

(F1) Snapdragon Seed

Versatile Group 2 snapdragon.

Chantilly™ Light Salmon Snapdragon

Chantilly™ Light Salmon

(F1) Snapdragon Seed

Early, open-faced flowers.

Costa II Mix Snapdragon

Costa II Mix

(F1) Snapdragon Seed

Early mix for spring and summer production.

Potomac Lavender Snapdragon

Potomac Lavender

(F1) Snapdragon Seed

Refined all-season series for field or greenhouse growing.

Qwerty Seedless and Thin-skinned Cucumbers

Qwerty

(F1) Cucumber Seed

Premium cocktail cucumber.