Propagation Trays, Inserts & Heat Mats

Want to know the best way to start seeds? Check out GYO's Best Way To Start Seeds.

Need a quick refresher on how to make a clone? Check out GYO's 4-step cloning guide.

1 - 30 of 30 items
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Seedling Heat Mat - 3x20 Seedling Heat Mat - 10x20 Seedling Heat Mat - 20x20
Seedling Heat Mat - 3x20Seedling Heat Mat - 10x20Seedling Heat Mat - 20x20

Greatly improves germination success. Ideal for a windowsill.

Most popular. Greatly improves germination success. Perfect for a single 10'x20" propagation tray.

Greatly improves germination success. Perfect for 2 standard-sized propagation trays.

$20.95

$19.99

$28.95

$26.99

$51.95

$48.99

Seedling Heat Mat - 48x20 Commercial Seedling Heat Mat - 60x21 Commercial Seedling Heat Mat Modular Add-on - 60x21
Seedling Heat Mat - 48x20Commercial Seedling Heat Mat - 60x21Commercial Seedling Heat Mat Modular Add-on - 60x21

Greatly improves germination success. Perfect for 4 standard-sized propagation trays.

Greatly improves germination success. Perfect for 5 standard-sized propagation trays.

Connects to the commercial heat mat to maximize your area.

$84.95

$76.99

$139.95

$125.99

$124.95

$111.99

Digital Temperature Controller for Heat Mat Seed Germination Station Hot House with Heat Mat, Tray, 72 Cell Pack and 7" Dome
Digital Temperature Controller for Heat MatSeed Germination StationHot House with Heat Mat, Tray, 72 Cell Pack and 7" Dome

Allows you to accurately control the temperature of your propagation media.

Complete seed starting kit.

Ideal to cradle your fragile clippings and seedlings in protective warmth.

$43.95

$40.99

$34.95

$29.99

$43.95

$41.49

Jump Start 24 Grow Plug Mini Germination Station w/ Heat Mat Rapid Rooter Tray with 50 plug Smart Float Grow Tray with Plugs
Jump Start 24 Grow Plug Mini Germination Station w/ Heat MatRapid Rooter Tray With 50 Starter PlugsSmart Float Grow Tray with Plugs

Space-saving seed starting kit.

The complete kit. Perfect for starting seeds and/or rooting clippings.

Complete with floating insert for ideal air-to-water ratio.

$34.95

$32.49

$23.70

$21.99

$31.95

$29.99

Mondi Black & White Propagation Tray 10"x20" Standard Propagation Tray 10"x20" - No Holes Standard Propagation Tray White 10"x20"
Mondi Black & White Propagation Tray 10"x20"Standard Propagation Tray 10"x20" - No HolesStandard Propagation Tray White 10"x20"

Premium, durable, reflective seedling tray.

Ideal for seed starting and cutting propagation.

Reflective seedling flat for propagation and more.

$4.95

$4.69

$2.00

$1.89

$2.95

$2.69

Heavy Duty Propagation Tray 10"x20" 72 Cell Pack Insert Heavy Duty 72 Cell Square Plug Tray Insert
Heavy Duty Propagation Tray 10"x20"72 Cell Round Plug Tray InsertHeavy Duty 72 Cell Square Plug Tray Insert

Quad-thick, rugged and durable seedling flat.

Used to hold starter plugs and other media.

Used to hold starter plugs and other media.

$4.95

$4.19

$1.65

$1.45

$2.50

$2.39

Propagation Tray 10"x20" with Mesh Bottom Grodan Gro-Smart Tray Terracotta Mondi Mini Greenhouse Thermometer and Hygrometer
Propagation Tray 10"x20" with Mesh BottomGrodan Gro-Smart Tray TerracottaMondi Mini Greenhouse Thermometer and Hygrometer

Ideal for watering and draining cuttings and young plants.

Keeps rockwool cubes elevated from the bottom of the propagation tray.

Reads temperature and humidity inside humidity dome.

$1.95

$1.89

$14.46

$12.49

$16.95

$14.99

Humidity Dome 2" Humidity Dome 7" Vented Mondi 7" Mini Greenhouse/Humidity Dome
Humidity Dome 2"Humidity Dome 7" VentedMondi 7" Mini Greenhouse/Humidity Dome

Fits standard propagation trays; helps retain moisture and heat to improve germination.

Ideal for seed starting and propagation. The tall dome allows for taller cuttings.

Heavy duty; ideal for seed starting and propagation. The tall dome allows for taller cuttings.

$2.50

$2.39

$6.50

$5.99

$6.49

$5.79

Active Aqua Grow Tray, 8"x41" Active Aqua Grow Tray, 12"x41" Jumpstart 72 Cell Greenhouse
Active Aqua Grow Tray, 8"x41"Active Aqua Grow Tray, 12"x41"Jumpstart 72 Cell Greenhouse

Perfect for holding Rockwool slabs, Hugo Blocks, or any loose media.

Perfect for holding Rockwool slabs, Hugo Blocks, or any loose media.

Perfect for holding loose seed starting media and starter plugs.

$28.95

$25.99

$32.95

$31.29

$5.95

$5.19

Jump Start 12 Pellet Greenhouse Jump Start 36 Pellet Greenhouse Jump Start 36 Pellet Refills
Jump Start 12 Pellet GreenhouseJump Start 36 Pellet GreenhouseJump Start 36 Pellet Refills

Reusable seed-starting station.

Reusable seed-starting station.

Biodegradable peat seed-starting pellets.

$2.95

$2.79

$7.95

$6.79

$4.95

$4.19

1 - 30 of 30 items