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 Commercial Heat Mat – Master Seedling Heat Mats

Johnny's Commercial Heat Mat – Master

Improved germination for heat-loving crops.

Hang It Adjustable Hanger Grow Lights and Carts

Hang It Adjustable Hanger

LED or T5HO Strip Light Accessory

Quickly adjust the height of lighting as plants grow.

Polypro Shallow Tray (With Holes), Multi – 6 Count Support Trays

Polypro Shallow Tray (With Holes), Multi – 6 Count

Solid shallow trays with holes (for drainage).

20-Row Seed Flats – 50 Count Cell Flats

20-Row Seed Flats – 50 Count

Ideal for seed starting.

Seed Plate A50 Seed Starting Supplies

Seed Plate A50

Precision Vacuum Seeder Accessory

50 large countersunk holes, size A.

Replacement Blades Seed Starting Supplies

Replacement Blades

Grafting Knife Accessory

For the 7172 Miter-Cut Grafting Knife.

LED Strip Light – 48" Grow Lights and Carts

LED Strip Light – 48"

Design your own custom seedling growing space.

Polypro 5x5 Insert Pots – Red, 24 Count Plastic Pots

Polypro 5x5 Insert Pots – Red, 24 Count

Resilient and reusable.

7294/7295 Replacement LED Tube – 48", 1 Count LED

7294/7295 Replacement LED Tube – 48", 1 Count

Replacement tube for #7294 and #7295 light carts.

Pro-Tray 38 Cell Flats – 100 Count Cell Flats

Pro-Tray 38 Cell Flats – 100 Count

For home and market gardeners. Round cells.

Hanging Clips Grow Lights and Carts

Hanging Clips

LED or T5HO Strip Light Accessory

Ideal for suspending SunBlaster lighting above your growing area.

Long Dibbles Soil Blocking

Long Dibbles

Soil Blocker Accessory

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