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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50-Cell Conversion Kit Soil Blocking

50-Cell Conversion Kit

Johnny's Commercial Soil Blocker Accessory

Convert your 72-cell blocker to a 50-cell configuration.

Growlight Garden Seed Starter Kits

Growlight Garden

Complete kit for growing a garden in your home.

Deluxe Microgreens Seed Starter Kit Microgreens Supplies

Deluxe Microgreens Seed Starter Kit

Grow microgreens indoors year-round.

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

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

New

72-Cell Grid Soil Blocking

72-Cell Grid

Johnny's Commercial Soil Blocker Accessory

Great for creating an efficient assembly line.

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

New

50-Cell Grid Soil Blocking

50-Cell Grid

Johnny's Commercial Soil Blocker Accessory

Great for creating an efficient assembly line.

Jumbo Plug Inserts – 100 Count Cell Flats

Jumbo Plug Inserts – 100 Count

Large cells can be separated into six-packs.

Big Bag Bed – Jr. Raised Beds & Planters

Big Bag Bed – Jr.

Instant raised beds for growing healthy plants.

Polypro Shallow Tray (No Holes), Black – 24 Count Support Trays

Polypro Shallow Tray (No Holes), Black – 24 Count

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

50 Cell Plug Flats – 100 Count Cell Flats

50 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

20 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.