Seed Starting Supplies
Johnny's offers all the seed-starting and propagation supplies you need to grow your own professional-quality seedlings with efficiency. 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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Sale
Lightweight Deep Trays (with Holes) – 5 Count
The standard 1020 greenhouse flat with drainage slots.
Sale
Sale
Power Cord with On/Off Switch
LED or T5HO Strip Light Accessory
Design your own custom seedling growing space.
Sale
Lightweight Deep Trays (with Holes) – 100 Count
The standard 1020 greenhouse flat with drainage slots.
Sale
Hanging Clips
LED or T5HO Strip Light Accessory
Ideal for suspending SunBlaster lighting above your growing area.
Sale
Link Cord – 14"
LED or T5HO Strip Light Accessory
Add on to your strip lights for more growing space.
New
New
Polypro Endurance Shallow Speed Tray (No Holes), Black – 4 Count
Reinforced trays with "bumpers" for soil block alignment.
New
New
New
Polypro Endurance Shallow Speed Tray (No Holes), Black – 24 Count
Reinforced trays with "bumpers" for soil block alignment.
New
New
Humidity Tent
Johnny's Commercial LED Light Cart Accessory
Full-length humidity tent for 16-tray Commercial Light Cart.
New
50-Cell Conversion Kit
Johnny's Commercial Soil Blocker Accessory
Convert your 72-cell blocker to a 50-cell configuration.
New
72-Cell Conversion Kit
Johnny's Commercial Soil Blocker Accessory
Convert your 50-cell blocker to a 72-cell configuration.
New
72-Cell Grid
Johnny's Commercial Soil Blocker Accessory
Great for creating an efficient assembly line.
New
50-Cell Grid
Johnny's Commercial Soil Blocker Accessory
Great for creating an efficient assembly line.
Soil Block Propagation Trays – 5 Count
These wide-mesh bottom trays are ideal for soil block propagation.
