Tools & Supplies Seed Starting Supplies
Seed Starting Supplies
Seed Starting Supplies
Johnny's offers all the seed-starting and propagation supplies you need — biodegradable pots, trays, domes, and flats; organic starting mix and soil-block makers; seedling carts, grow lights, heat mats, and more — to grow your own professional-quality seedlings in the fashion most economical and efficient for you. Growing your own transplants from seed provides greater control over the growing season, from start to finish, by allowing you to choose your favorite varieties, select specific planting and transplanting dates, and produce the quantities of plants you need.
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New
Johnny's Exclusive
Stand-up 35 Soil Blocker
Sized to match US standard 1020 trays.
New! Sized to match US standard 1020 trays.
New
40-Watt Full-Size Replacement Fixture
For our full-size seedling light carts (# 7025, 7026).
New! For our full-size seedling light carts (# 7025, 7026).
New
Two-Bulb Compact Replacement Fixture
For our compact seedling light carts (#7296, 7298).
New! For our compact seedling light carts (#7296, 7298).
New
40-Watt Full-Size Replacement Bulb, Case
For our full-size seedling light carts (#7025, 7026).
New! For our full-size seedling light carts (#7025, 7026).
New
Compact Replacement Bulb, Case
For our compact seedling light carts (#s 7296, 7297, 7298, and 7299).
New! For our compact seedling light carts (# 7296, 7297, 7298, and 7299).
New
32-Watt Full-Size Replacement Bulb
For our full-size seedling light carts (#7294, 7295).
New! For our full-size seedling light carts (#7294, 7295).
New
Compact Replacement Bulb
For our compact seedling light carts (#s 7296, 7297, 7298, and 7299).
New! For our compact seedling light carts (# 7296, 7297, 7298, and 7299).
New
32-Watt Full-Size Replacement Bulb, Case
For our full-size seedling light carts (#7294, 7295).
New! For our full-size seedling light carts (#7294, 7295).
New
40-Watt Full-Size Replacement Bulb
For our full-size seedling light carts (#7025, 7026).
New! For our full-size seedling light carts (#7025, 7026).
New
32-Watt Full-Size Replacement Fixture
For our full-size seedling light carts (# 7294, 7295).
New! For our full-size seedling light carts (# 7294, 7295).
New
Four-Bulb Compact Replacement Fixture
For our compact seedling light carts (#7297, 7299).
New! For our compact seedling light carts (#7297, 7299).
Professional-grade supplies for successful germination and rooting.
Professional-grade supplies for successful germination and rooting.
Saves you time and seeds.
Saves you time and seeds.
The standard 1020 greenhouse flat without drainage slots.
The standard 1020 greenhouse flat without drainage slots.
Johnny's Exclusive
Johnny's 512 Mix - 60 Quarts
Our custom designed seed starting mix.
Johnny's Exclusive
2" Clear Acrylic Domes - Box of 5
Holds moisture and warmth for germination.
Holds moisture and warmth for germination.
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
Make your own seed-starting blocks.
Make your own seed-starting blocks.
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