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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20 Cell Fertil Pots Strip – 87 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 87 Count

100% organic, OMRI Listed® biodegradable pots.

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

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

Improved germination for heat-loving crops.

Smart Pot® – 10 Gal. Grow Bags

Smart Pot® – 10 Gal.

Fabric planters promote healthy roots.

Growlight Garden Seed Starter Kits

Growlight Garden

Complete kit for growing a garden in your home.

Deluxe LED Microgreens Starter Kit Microgreens Supplies

Deluxe LED Microgreens Starter Kit

Grow microgreens indoors year-round.

Spring Loaded Side-Grafting Clip Seed Starting Supplies

Spring Loaded Side-Grafting Clip

Securely hold larger seedlings.

5x5 Inserts – 100 Count Microgreens Supplies

5x5 Inserts – 100 Count

Microgreens Accessory

Ideal for small microgreen plantings.

20-Cell Stand-up Soil Blocker Soil Blocking

20-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

35-Cell Stand-up Soil Blocker Soil Blocking

35-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Johnny's 50-Cell Commercial Soil Blocker Soil Blocking

Johnny's 50-Cell Commercial Soil Blocker

The new standard in commercial-scale soil blocking.

Polypro Shallow Tray (No Holes), Black – 4 Count Support Trays

Polypro Shallow Tray (No Holes), Black – 4 Count

Solid trays without holes (for bottom watering and support).

Strip Light Stand Grow Lights and Carts

Strip Light Stand

LED or T5HO Strip Light Accessory

Create the perfect tabletop growing environment.

Johnny's 512 Mix – 2-Yard Bulk (bagged) Growing Media

Johnny's 512 Mix – 2-Yard Bulk (bagged)

Lightweight Deep Trays – 100 Count Support Trays

Lightweight Deep Trays – 100 Count

The standard 1020 greenhouse flat without drainage slots.

12-Cell Stand-up Soil Blocker Soil Blocking

12-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

128 Cell Plug Flats – 50 Count Cell Flats

128 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

50 Cell Plug Flats – 100 Count Cell Flats

50 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.