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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5-Cell Handheld Soil Blocker Soil Blocking

5-Cell Handheld Soil Blocker

Create soil blocks for seeding and transplanting.

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

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

Johnny's thickest wall trays.

Microgreens Reservoir Tray Microgreens Supplies

Microgreens Reservoir Tray

Microgreens Accessory

Durable and reusable.

Johnny's Germination Mix – 20 Qt. Growing Media

Johnny's Germination Mix – 20 Qt.

Consistently a top performer in our annual germination trials.

Microgreens Growing Tray Microgreens Supplies

Microgreens Growing Tray

Microgreens Accessory

Durable and reusable.

Smart Pot® Natural – 20 Gal. Grow Bags

Smart Pot® Natural – 20 Gal.

Fabric planters promote healthy roots.

Heavyweight Mesh Tray – 5 Count Support Trays

Heavyweight Mesh Tray – 5 Count

Heavy duty support for other seedling containers.

Johnny's 512 Mix – 60 Qt. Growing Media

Johnny's 512 Mix – 60 Qt.

Mini Square Plastic Pots – 18 Count Plastic Pots

Mini Square Plastic Pots – 18 Count

For big, stocky transplants.

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

SureRoots® 50-Cell Deep Plug Flats – 5 Count

Promotes deeper root development.

Long Dibbles Soil Blocking

Long Dibbles

Soil Blocker Accessory

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

128 Cell Plug Flats – 5 Count Cell Flats

128 Cell Plug Flats – 5 Count

Designed for fresh market growers. Square cells.

Jumbo Square Plastic Pots – 8 Count Plastic Pots

Jumbo Square Plastic Pots – 8 Count

For very large seedlings such as squash and pumpkins.

Medium Weight Mesh Tray – 5 Count Support Trays

Medium Weight Mesh Tray – 5 Count

Reinforced support for other seedling containers.

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.

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

Johnny's 72-Cell Commercial Soil Blocker Soil Blocking

Johnny's 72-Cell Commercial Soil Blocker

The new standard in commercial-scale soil blocking.

5x5 Inserts – 5 Count Microgreens Supplies

5x5 Inserts – 5 Count

Microgreens Accessory

Ideal for small microgreen plantings.