Tools & Supplies Seed Starting Supplies Trays, Domes, and Flats
A single black plastic mesh seedling tray.
Trays, Domes & Flats
Johnny's offers a selection of seed starting trays, flats, and humidity domes to accommodate whatever it is you decide to grow. All of our seedling products follow industry 1020 tray standard size (actual footprint: 11" x 21"). We offer supplies that are economical enough to be disposable, but are heavy-duty enough to be reusable over multiple seasons, including: germination trays with and without drainage holes; microgreens trays; mesh trays; cell flats; and clear plastic domes. Available in small and case quantities. To compare products, including compatibility across products, see our Trays, Domes & Flats Comparison Chart (at right).
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SureRoots 50-Cell Deep Plug Flats – 5 Count Cell Flats
Promotes deeper root development.
Promotes deeper root development.
Sale
SureRoots 50-Cell Deep Plug Flats – 25 Count Cell Flats
Promotes deeper root development.
Out of Stock
Promotes deeper root development.
Sale
Microgreens Growing Tray Microgreens Supplies
Durable and reusable.
Out of Stock
Durable and reusable.
Sale
Microgreens Reservoir Tray Microgreens Supplies
Durable and reusable.
Out of Stock
Durable and reusable.
Sale
5x5 Inserts – 5 Count Microgreens Supplies
Ideal for small microgreen plantings.
Out of Stock
Ideal for small microgreen plantings.
Sale
5x5 Inserts – 100 Count Microgreens Supplies
Ideal for small microgreen plantings.
Out of Stock
Ideal for small microgreen plantings.
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Leakproof Trays – 5 Count Support Trays
The standard 1020 greenhouse flat without drainage slots.
The standard 1020 greenhouse flat without drainage slots.
Sale
Johnny's Exclusive
2" Clear Acrylic Domes – 5 Count Humidity Domes
Holds moisture and warmth for germination.
Holds moisture and warmth for germination.
Sale
50 Cell Plug Flats – 5 Count Cell Flats
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
Sale
72 Cell Plug Flats – 5 Count Cell Flats
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
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Maxi Square Plastic Pots – 18 Count Plastic Pots
For larger seedlings like peppers and tomatoes.
For larger seedlings like peppers and tomatoes.
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Jumbo Plug Inserts – 5 Count Cell Flats
Large cells can be separated into six-packs.
Large cells can be separated into six-packs.
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Shallow Germination Trays – 5 Count Support Trays
Slots for uniform drainage.
Slots for uniform drainage.
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128 Cell Plug Flats – 5 Count Cell Flats
Designed for fresh market growers. Square cells.
Designed for fresh market growers. Square cells.
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Seedling Trays – 5 Count Support Trays
The standard 1020 greenhouse flat with drainage slots.
The standard 1020 greenhouse flat with drainage slots.
Sale
Shallow Leakproof Trays – 5 Count Support Trays
A great multi-use tray for any operation.
A great multi-use tray for any operation.
Sale
7" Clear Propagation Domes – 5 Count Humidity Domes
Create the perfect healing chamber for grafted tomatoes.
Create the perfect healing chamber for grafted tomatoes.
Sale
Jumbo Square Plastic Pots – 8 Count Plastic Pots
For very large seedlings such as squash and pumpkins.
For very large seedlings such as squash and pumpkins.
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