Seed Starting Supplies | Johnny's Selected Seeds

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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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4" Round Fertil Pots – 810 Count Biodegradable Pots

4" Round Fertil Pots – 810 Count

100% organic, OMRI Listed® biodegradable pots.

6-Cell Tray Inserts – 6 Count Cell Flats

6-Cell Tray Inserts – 6 Count

Reusable inserts for 1020 trays.

Heavyweight Mesh Tray – 50 Count Support Trays

Heavyweight Mesh Tray – 50 Count

Heavy duty support for other seedling containers.

Top-Grafting Clips with Channel – 2.2 mm Grafting Supplies

Top-Grafting Clips with Channel – 2.2 mm

Protect and support newly grafted plant stems to aid in healing.

Johnny's Commercial Heat Mat – Master Seedling Heat Mats

Johnny's Commercial Heat Mat – Master

Improved germination for heat-loving crops.

Top-Grafting Clips with Channel – 2.8 mm Grafting Supplies

Top-Grafting Clips with Channel – 2.8 mm

Protect and support newly grafted plant stems to aid in healing.

Smart Pot® Natural – 15 Gal. Grow Bags

Smart Pot® Natural – 15 Gal.

Fabric planters promote healthy roots.

Polypro Shallow Tray (With Holes), Black – 4 Count Support Trays

Polypro Shallow Tray (With Holes), Black – 4 Count

Solid shallow trays with holes (for drainage).

Polypro 2.5" Insert Pots – Red, 32 Count Plastic Pots

Polypro 2.5" Insert Pots – Red, 32 Count

Resilient and reusable.

Jumbo Plug Inserts – 5 Count Cell Flats

Jumbo Plug Inserts – 5 Count

Large cell flats can be separated into six-packs.

Basic Microgreens Seed Starter Kit Microgreens Supplies

Basic Microgreens Seed Starter Kit

Grow microgreens indoors year-round.

Mini Wand Seeder Seed Starting Supplies

Mini Wand Seeder

Best seeder for handling extremely small seeds.

6-Cell Tray Inserts – 24 Count Cell Flats

6-Cell Tray Inserts – 24 Count

Reusable inserts for 1020 trays.

LED Propagation Rack Kit Grow Lights and Carts

LED Propagation Rack Kit

An energy-efficient solution for growing plants indoors.

Johnny's Commercial Heat Mat – Add-On Seedling Heat Mats

Johnny's Commercial Heat Mat – Add-On

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

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

Johnny's thickest wall trays.

Johnny's 10-Cell Handheld Soil Blocker Soil Blocking

Johnny's 10-Cell Handheld Soil Blocker

Reduce your workload and improve your efficiency.

20-Row Seed Flats – 5 Count Cell Flats

20-Row Seed Flats – 5 Count

Ideal for seed starting.