Seed Starting Trays, Domes & Flats | Johnny's Selected Seeds

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).

Seed-Starting Flats, Trays, Domes & Pots | Comparison Chart (PDF)

68 Products

Lightweight Deep Trays – 5 Count Support Trays

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Trays, Domes & Flats

Lightweight Deep Trays – 5 Count

Soil Block Propagation Trays – 5 Count

50 Cell Plug Flats – 5 Count

72 Cell Plug Flats – 5 Count

2" Clear Acrylic Domes – 5 Count

Pro-Tray 24 Cell Flats – 5 Count

Polypro Endurance Deep Tray (No Holes), Red – 4 Count

Polypro Endurance Deep Tray (No Holes), Blue – 4 Count

128 Cell Plug Flats – 5 Count

Polypro Endurance Deep Tray (No Holes), Black – 4 Count

Jumbo Plug Inserts – 5 Count

Medium Weight Mesh Tray – 5 Count

20-Row Seed Flats – 5 Count

SureRoots 50-Cell Deep Plug Flats – 5 Count

Pro-Tray 72 Cell Flats – 5 Count

7" Clear Propagation Domes – 5 Count

Lightweight Shallow Trays – 5 Count

Lightweight Deep Trays (with Holes) – 5 Count