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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245 Products

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Smart Pot® Natural – 30 Gal. Grow Bags

Smart Pot® Natural – 30 Gal.

Fabric planters promote healthy roots.

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.

Mini Square Plastic Pots – 18 Count Plastic Pots

Mini Square Plastic Pots – 18 Count

For big, stocky transplants.

Johnny's 72-Cell Commercial Soil Blocker Soil Blocking

Johnny's 72-Cell Commercial Soil Blocker

The new standard in commercial-scale soil blocking.

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

Terrafibre Hemp Grow Mats, 10" x 20" – 10 Count Microgreens Supplies

Terrafibre Hemp Grow Mats, 10" x 20" – 10 Count

Microgreens Accessory

Microgreens media made from a renewable resource.

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.

Smart Pot® – 20 Gal. Grow Bags

Smart Pot® – 20 Gal.

Fabric planters promote healthy roots.

5x5 Inserts – 5 Count Microgreens Supplies

5x5 Inserts – 5 Count

Microgreens Accessory

Ideal for small microgreen plantings.

Organilock Soil Food – 6 Lb. Growing Media

Organilock Soil Food – 6 Lb.

Trial-tested organic amendment.

36 Cell Fertil Pots Strip – 10 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Long Dibbles Soil Blocking

Long Dibbles

Soil Blocker Accessory

Use with soil blockers to create dibbled holes for seeds or cuttings.

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.

Standard Dibbles Soil Blocking

Standard Dibbles

Soil Blocker Accessory

Use with soil blockers to create dibbled holes for smaller seeds.

Skimming Trowel Soil Blocking

Skimming Trowel

Soil Blocker Accessory

Easily level soil in Soil Blocker grids.

Fort Light Potting Mix – 20 Qt Growing Media

Fort Light Potting Mix – 20 Qt

A nutrient-rich organic mix for starting vegetables and annuals from seed.

LED Strip Light Kit – 48" Grow Lights and Carts

LED Strip Light Kit – 48"

Energy efficient LED lighting for growing quality plants.

Johnny's Seedling Heat Mat – 20.75" x 48" Seedling Heat Mats

Johnny's Seedling Heat Mat – 20.75" x 48"

Improved germination for heat-loving crops.