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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246 Products

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Vibro Hand Seeder Seed Starting Supplies

Vibro Hand Seeder

Fast, accurate, individual dispensing of even the smallest seeds.

Seed Plate E128 Seed Starting Supplies

Seed Plate E128

Precision Vacuum Seeder Accessory

128 large plain holes (not countersunk), size E.

Polypro Shallow Tray (With Holes), Black – 4 Count Support Trays

Polypro Shallow Tray (With Holes), Black – 4 Count

Solid shallow trays with holes (for drainage).

Soil Block Propagation Trays – 50 Count Trays, Domes, and Flats

Soil Block Propagation Trays – 50 Count

These wide-mesh bottom trays are ideal for soil block propagation.

128 Cell Plug Flats – 50 Count Cell Flats

128 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

Strip Light Stand Grow Lights and Carts

Strip Light Stand

LED or T5HO Strip Light Accessory

Create the perfect tabletop growing environment.

Paperpot Seedling Trays – 10 Count Transplanters

Paperpot Seedling Trays – 10 Count

Paperpot Transplanter Accessory

Tray sized specifically for Paper Chain Pots.

Jumbo Plug Inserts – 100 Count Cell Flats

Jumbo Plug Inserts – 100 Count

Large cells can be separated into six-packs.

8 and 16-Tray Light Cart Replacement LED Tube – 48", 1 Count LED

8 and 16-Tray Light Cart Replacement LED Tube – 48", 1 Count

Replacement tube for #6221 and #6248 light carts.

Polypro Mesh Shallow Tray, Black – 4 Count Support Trays

Polypro Mesh Shallow Tray, Black – 4 Count

Durable trays for support and drainage.

20-Row Seed Flats – 50 Count Cell Flats

20-Row Seed Flats – 50 Count

Ideal for seed starting.

Seed Plate A128 Seed Starting Supplies

Seed Plate A128

Precision Vacuum Seeder Accessory

128 large countersunk holes, size A.

Deluxe LED Microgreens Starter Kit Microgreens Supplies

Deluxe LED Microgreens Starter Kit

Grow microgreens indoors year-round.

20-Cell Stand-up Soil Blocker Soil Blocking

20-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Lightweight Deep Trays (with Holes) – 100 Count Support Trays

Lightweight Deep Trays (with Holes) – 100 Count

The standard 1020 greenhouse flat with drainage slots.

Polypro Shallow Tray (With Holes), Black – 24 Count Support Trays

Polypro Shallow Tray (With Holes), Black – 24 Count

Solid shallow trays with holes (for drainage).

Polypro Endurance Deep Tray (No Holes), Red – 24 Count Support Trays

Polypro Endurance Deep Tray (No Holes), Red – 24 Count

Johnny's thickest wall trays.

12-Cell Stand-up Soil Blocker Soil Blocking

12-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.