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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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
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.
Top-Grafting Clips with Channel – 2.2 mm
Protect and support newly grafted plant stems to aid in healing.
Top-Grafting Clips with Channel – 2.8 mm
Protect and support newly grafted plant stems to aid in healing.
Terrafibre Hemp Grow Mats, 10" x 20" – 10 Count
Microgreens Accessory
Microgreens media made from a renewable resource.