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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243 Products

Lightweight Shallow Trays – 5 Count Support Trays

Lightweight Shallow Trays – 5 Count

A great multi-use tray for any operation.

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 Mesh Deep Tray, Black – 4 Count Support Trays

Polypro Mesh Deep Tray, Black – 4 Count

Durable trays for support and drainage.

Jumbo Square Plastic Pots – 8 Count Plastic Pots

Jumbo Square Plastic Pots – 8 Count

For very large seedlings such as squash and pumpkins.

18 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

18 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Johnny's Commercial Heat Mat – Add-On Seedling Heat Mats

Johnny's Commercial Heat Mat – Add-On

Fort Vee All-Purpose Potting Mix – 45 Qt Growing Media

Fort Vee All-Purpose Potting Mix – 45 Qt

A popular mix for the professional grower.

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

Polypro 2.5" Insert Pots – Blue, 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).

Top-Grafting Clips with Channel – 2.2 mm Grafting Supplies

Top-Grafting Clips with Channel – 2.2 mm

Protect and support newly grafted plant stems to aid in healing.

Mini Square Plastic Pots – 18 Count Plastic Pots

Mini Square Plastic Pots – 18 Count

For big, stocky transplants.

7" Clear Propagation Domes – 5 Count Humidity Domes

7" Clear Propagation Domes – 5 Count

Create the perfect healing chamber for grafted tomatoes.

Heavyweight Mesh Tray – 50 Count Support Trays

Heavyweight Mesh Tray – 50 Count

Heavy duty support for other seedling containers.

Johnny's Modular LED Grow Light Cart LED

Johnny's Modular LED Grow Light Cart

Convenient, customizable LED light system.

20 Cell Fertil Pots Strip – 10 Count Biodegradable Pots

20 Cell Fertil Pots Strip – 10 Count

100% organic, OMRI Listed® biodegradable pots.

Heavyweight Mesh Tray – 5 Count Support Trays

Heavyweight Mesh Tray – 5 Count

Heavy duty support for other seedling containers.

Lightweight Shallow Trays – 36 Count Support Trays

Lightweight Shallow Trays – 36 Count

A great multi-use tray for any operation.

Johnny's Commercial Heat Mat – Master Seedling Heat Mats

Johnny's Commercial Heat Mat – Master

Improved germination for heat-loving crops.

Deluxe Microgreens Seed Starter Kit Microgreens Supplies

Deluxe Microgreens Seed Starter Kit

Grow microgreens indoors year-round.

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

Polypro 2.5" Insert Pots – Black, 32 Count

Resilient and reusable.

Pro-Tray 38 Cell Flats – 5 Count Cell Flats

Pro-Tray 38 Cell Flats – 5 Count

For home and market gardeners. Round cells.

20-Row Seed Flats – 50 Count Cell Flats

20-Row Seed Flats – 50 Count

Ideal for seed starting.

Basic Microgreens Seed Starter Kit Microgreens Supplies

Basic Microgreens Seed Starter Kit

Grow microgreens indoors year-round.

Bioset Germinator Kit Seed Starting Supplies

Bioset Germinator Kit

Experience a wide range of flavors.

Fort Light Potting Mix – 45 Qt Growing Media

Fort Light Potting Mix – 45 Qt

A nutrient-rich organic mix for starting vegetables and annuals from seed.

Johnny's Seedling Heat Mat – 20.75" x 20.75" Seedling Heat Mats

Johnny's Seedling Heat Mat – 20.75" x 20.75"

Improved germination for heat-loving crops.

Polypro Endurance Deep Tray (No Holes), Red – 4 Count Support Trays

Polypro Endurance Deep Tray (No Holes), Red – 4 Count

Johnny's thickest wall trays.

72 Cell Plug Flats – 100 Count Cell Flats

72 Cell Plug Flats – 100 Count

Designed for fresh market growers. Square cells.

200 Cell Plug Flats – 50 Count Cell Flats

200 Cell Plug Flats – 50 Count

Designed for fresh market growers. Square cells.

12 Cell Fertil Pots Strip – 8 Count Biodegradable Pots

12 Cell Fertil Pots Strip – 8 Count

100% organic, OMRI Listed® biodegradable pots.

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).

Pro-Tray 24 Cell Flats – 5 Count Cell Flats

Pro-Tray 24 Cell Flats – 5 Count

For home and market gardeners. Round cells.

Smart Pot® – 10 Gal. Grow Bags

Smart Pot® – 10 Gal.

Fabric planters promote healthy roots.

4" Round Fertil Pots – 50 Count Biodegradable Pots

4" Round Fertil Pots – 50 Count

100% organic, OMRI Listed® biodegradable pots.

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).

Medium Weight Mesh Tray – 50 Count Support Trays

Medium Weight Mesh Tray – 50 Count

Reinforced support for other seedling containers.