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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244 Products

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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.

128 Cell Plug Flats – 5 Count Cell Flats

128 Cell Plug Flats – 5 Count

Designed for fresh market growers. Square cells.

Fort Vee All-Purpose Potting Mix – 45 Qt Growing Media

Fort Vee All-Purpose Potting Mix – 45 Qt

A popular mix for the professional grower.

Long Dibbles Soil Blocking

Long Dibbles

Soil Blocker Accessory

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

Jumbo Square Plastic Pots – 8 Count Plastic Pots

Jumbo Square Plastic Pots – 8 Count

For very large seedlings such as squash and pumpkins.

18 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

SureRoots® 50-Cell Deep Plug Flats – 5 Count Cell Flats

SureRoots® 50-Cell Deep Plug Flats – 5 Count

Promotes deeper root development.

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.

36 Cell Fertil Pots Strip – 10 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

Light Timer Grow Lights and Carts

Light Timer

Precise lighting control for your indoor growing space.

Smart Pot® Natural – 30 Gal. Grow Bags

Smart Pot® Natural – 30 Gal.

Fabric planters promote healthy roots.

Skimming Trowel Soil Blocking

Skimming Trowel

Soil Blocker Accessory

Easily level soil in Soil Blocker grids.

Smart Pot® Natural – 20 Gal. Grow Bags

Smart Pot® Natural – 20 Gal.

Fabric planters promote healthy roots.

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.

Organilock Soil Food – 6 Lb. Growing Media

Organilock Soil Food – 6 Lb.

Trial-tested organic amendment.

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.

Top-Grafting Clips with Channel – 1.5 mm Grafting Supplies

Top-Grafting Clips with Channel – 1.5 mm

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