Seedlings growing in cell flats.

Seed Starting Supplies

246 Products
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50 small plain holes (not countersunk), size C.
128 medium plain holes (not countersunk), size B.
200 small plain holes (not countersunk), size C.
200 large plain holes (not countersunk), size E.
72 medium plain holes (not countersunk), size B.
50 medium plain holes (not countersunk), size B.
50 large plain holes (not countersunk), size E.
128 large plain holes (not countersunk), size E.
36 small plain holes (not countersunk), size C.
36 large plain holes (not countersunk), size E.
36 medium plain holes (not countersunk), size B.
288 large plain holes (not countersunk), size E.
Create square indents for potting-up mini blocks.
These wide-mesh bottom trays are ideal for soil block propagation.
Easily level soil in Soil Blocker grids.
Add on to your strip lights for more growing space.
Our favorite for making perfect soil blocks.
Use with soil blockers to create dibbled holes for smaller seeds.
Energy efficient LED lighting for growing quality plants.
Must-have for consistent temperature control with heat mats.
Ideal for suspending SunBlaster lighting above your growing area.
Add on to your strip lights for more growing space.
Precise lighting control for your indoor growing space.
Keeps all your essential potting items conveniently at arm's reach.
Humidity dome with groove for resting a grow light.
Expand your lighting to grow bigger, healthier plants.
Energy efficient LED lighting for growing quality plants.
Energy efficient LED lighting for growing quality plants.