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

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

35-Cell Stand-up Soil Blocker Soil Blocking

35-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

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.

Lightweight Deep Trays – 100 Count Support Trays

Lightweight Deep Trays – 100 Count

The standard 1020 greenhouse flat without drainage slots.

5x5 Inserts – 100 Count Microgreens Supplies

5x5 Inserts – 100 Count

Microgreens Accessory

Ideal for small microgreen plantings.

SunBlaster T5HO Strip Light with NanoTech Reflector – 24" Grow Lights and Carts

SunBlaster T5HO Strip Light with NanoTech Reflector – 24"

High-performance fluorescent lighting for healthy, vigorous plants.

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

6-Cell Stand-up Soil Blocker Soil Blocking

6-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Deluxe LED Microgreens Starter Kit Microgreens Supplies

Deluxe LED Microgreens Starter Kit

Grow microgreens indoors year-round.

Mini Wand Seeder with Air Valve and Hose Seed Starting Supplies

Mini Wand Seeder with Air Valve and Hose

One of the best seeders for handling extremely small seeds.

Lightweight Shallow Trays – 36 Count Support Trays

Lightweight Shallow Trays – 36 Count

A great multi-use tray for any operation.