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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2" Clear Acrylic Domes – 50 Count Humidity Domes

2" Clear Acrylic Domes – 50 Count

Holds moisture and warmth for germination.

Heavyweight Mesh Tray – 50 Count Support Trays

Heavyweight Mesh Tray – 50 Count

Heavy duty support for other seedling containers.

12-Cell Stand-up Soil Blocker Soil Blocking

12-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

Mini Square Plastic Pots – 540 Count Plastic Pots

Mini Square Plastic Pots – 540 Count

For big stocky transplants.

50 Cell Plug Flats – 100 Count Cell Flats

50 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

Medium Weight Mesh Tray – 50 Count Support Trays

Medium Weight Mesh Tray – 50 Count

Reinforced support for other seedling containers.

7" Clear Propagation Domes – 25 Count Humidity Domes

7" Clear Propagation Domes – 25 Count

Create the perfect healing chamber for grafted tomatoes.

Pro-Tray 38 Cell Flats – 100 Count Cell Flats

Pro-Tray 38 Cell Flats – 100 Count

For home and market gardeners. Round cells.

6-Cell Stand-up Soil Blocker Soil Blocking

6-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

20 Cell Fertil Pots Strip – 87 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 87 Count

100% organic, OMRI Listed® biodegradable pots.

18 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Polypro 2.5" Insert Pots – Blue, 8 Count Plastic Pots

Polypro 2.5" Insert Pots – Blue, 8 Count

Resilient and reusable.

18 Cell Fertil Pots Strip – 111 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 111 Count

100% organic, OMRI Listed® biodegradable pots.

Polypro Mesh Shallow Tray, Black – 24 Count Support Trays

Polypro Mesh Shallow Tray, Black – 24 Count

Durable trays for support and drainage.

Pro-Tray 24 Cell Flats – 100 Count Cell Flats

Pro-Tray 24 Cell Flats – 100 Count

For home and market gardeners. Round cells.

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).

Polypro 2.5" Insert Pots – Black, 8 Count Plastic Pots

Polypro 2.5" Insert Pots – Black, 8 Count

Resilient and reusable.

4" Round Fertil Pots – 810 Count Biodegradable Pots

4" Round Fertil Pots – 810 Count

100% organic, OMRI Listed® biodegradable pots.

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

Lightweight Deep Trays (with Holes) – 100 Count

The standard 1020 greenhouse flat with drainage slots.

3 1/8" Round Fertil Pots – 1,370 Count Biodegradable Pots

3 1/8" Round Fertil Pots – 1,370 Count

100% organic, OMRI Listed® biodegradable pots.

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

Polypro 5x5 Insert Pots – Red, 24 Count

Resilient and reusable.

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 2.5" Insert Pots – Red, 8 Count Plastic Pots

Polypro 2.5" Insert Pots – Red, 8 Count

Resilient and reusable.

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

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

Solid shallow trays with holes (for drainage).

2 1/3" Round Fertil Pots – 160 Count Biodegradable Pots

2 1/3" Round Fertil Pots – 160 Count

100% organic, OMRI Listed® biodegradable pots.

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

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

Solid shallow trays with holes (for drainage).

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

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

Solid shallow trays with holes (for drainage).

2 1/3" Round Fertil Pots – 3,000 Count Biodegradable Pots

2 1/3" Round Fertil Pots – 3,000 Count

100% organic, OMRI Listed® biodegradable pots.

Lighthouse Grow Tent – 3' x 3' Grow Tents

Lighthouse Grow Tent – 3' x 3'

A perfectly controlled growing environment.

Out Of Stock

Lighthouse Grow Tent – 4' x 4' Grow Tents

Lighthouse Grow Tent – 4' x 4'

A perfectly controlled growing environment.

Out Of Stock

6-Cell Tray Inserts – 24 Count Cell Flats

6-Cell Tray Inserts – 24 Count

Reusable inserts for 1020 trays.

Out Of Stock

Seed Plate C128 Seed Starting Supplies

Seed Plate C128

Precision Vacuum Seeder Accessory

128 small plain holes (not countersunk), size C.

Seed Plate A72 Seed Starting Supplies

Seed Plate A72

Precision Vacuum Seeder Accessory

72 large countersunk holes, size A.

Seed Plate C72 Seed Starting Supplies

Seed Plate C72

Precision Vacuum Seeder Accessory

72 small plain holes (not countersunk), size C.

Seed Plate D128 Seed Starting Supplies

Seed Plate D128

Precision Vacuum Seeder Accessory

128 medium countersunk holes, size D.

Seed Plate D50 Seed Starting Supplies

Seed Plate D50

Precision Vacuum Seeder Accessory

50 medium countersunk holes, size D.