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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20 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Seed Plate B72 Seed Starting Supplies

Seed Plate B72

Precision Vacuum Seeder Accessory

72 medium plain holes (not countersunk), size B.

50 Cell Plug Flats – 100 Count Cell Flats

50 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

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

Lightweight Shallow Trays (with Holes) – 100 Count

Slots for uniform drainage.

12-Cell Stand-up Soil Blocker Soil Blocking

12-Cell Stand-up Soil Blocker

Create soil blocks for seeding and transplanting.

NanoDome – 25 Count Grow Lights and Carts

NanoDome – 25 Count

LED or T5HO Strip Light Accessory

Humidity dome with groove for resting a grow light.

Polypro Mesh Deep Tray, Black – 24 Count Support Trays

Polypro Mesh Deep Tray, Black – 24 Count

Durable trays for support and drainage.

Jumbo Square Plastic Pots – 200 Count Plastic Pots

Jumbo Square Plastic Pots – 200 Count

For very large seedlings such as squash and pumpkins.

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

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

Johnny's thickest wall trays.

20 Cell Fertil Pots Strip – 87 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 87 Count

100% organic, OMRI Listed® biodegradable pots.

Polypro 2.5" Insert Pots – Blue, 32 Count Plastic Pots

Polypro 2.5" Insert Pots – Blue, 32 Count

Resilient and reusable.

Heavyweight Mesh Tray – 50 Count Support Trays

Heavyweight Mesh Tray – 50 Count

Heavy duty support for other seedling containers.

Polypro 2.5" Insert Pots – Red, 32 Count Plastic Pots

Polypro 2.5" Insert Pots – Red, 32 Count

Resilient and reusable.

Seed Plate D288 Seed Starting Supplies

Seed Plate D288

Precision Vacuum Seeder Accessory

288 medium countersunk holes, size D.

Lightweight Shallow Trays – 36 Count Support Trays

Lightweight Shallow Trays – 36 Count

A great multi-use tray for any operation.

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 – 4 Count Support Trays

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

Solid shallow trays with holes (for drainage).

Seed Plate E264 Vacuum

Seed Plate E264

Paperpot Vacuum Seeder Accessory

264 large plain holes, size E.

36 Cell Fertil Pots Strip – 144 Count Seed Starting Supplies

36 Cell Fertil Pots Strip – 144 Count

100% organic, OMRI Listed® biodegradable pots.

Seed Plate A264 Vacuum

Seed Plate A264

Paperpot Vacuum Seeder Accessory

264 large countersunk holes, size A.

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

Polypro 2.5" Insert Pots – Red, 8 Count

Resilient and reusable.

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.

Seed Plate C288 Seed Starting Supplies

Seed Plate C288

Precision Vacuum Seeder Accessory

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

Seed Plate C36 Seed Starting Supplies

Seed Plate C36

Precision Vacuum Seeder Accessory

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

18 Cell Fertil Pots Strip – 111 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 111 Count

100% organic, OMRI Listed® biodegradable pots.

Seed Plate E50 Seed Starting Supplies

Seed Plate E50

Precision Vacuum Seeder Accessory

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

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.

Seed Plate D264 Vacuum

Seed Plate D264

Paperpot Vacuum Seeder Accessory

264 medium countersunk holes, size D.

Seed Plate B200 Seed Starting Supplies

Seed Plate B200

Precision Vacuum Seeder Accessory

200 medium plain holes (not countersunk), size B.

Seed Plate A72 Seed Starting Supplies

Seed Plate A72

Precision Vacuum Seeder Accessory

72 large countersunk holes, size A.

Polypro Mesh Shallow Tray, Black – 24 Count Support Trays

Polypro Mesh Shallow Tray, Black – 24 Count

Durable trays for support and drainage.

Seed Plate D36 Seed Starting Supplies

Seed Plate D36

Precision Vacuum Seeder Accessory

36 medium countersunk holes, size D.

200 Cell Plug Flats – 50 Count Cell Flats

200 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

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

Polypro 2.5" Insert Pots – Blue, 8 Count

Resilient and reusable.