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Member-owned cooperative since 1978

Cold-hardy varieties and everything you need to grow them

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If you have placed orders totaling at least $1,200 within the past 12 months, additional orders qualify for bulk pricing.

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Organic Growers Supply
Pro Heat Mat

Organic Growers Supply: Pro Heat Mat

ships year-round

SunPad Pro Add-On Mat

Heat Mat - Seed Starting Supplies

Extend the capacity of your SunPad pro setup! These add-on mats each hold five standard 1020 trays and can be daisy-chained from the Master Mat for up to 5 linked mats. read more

ships year-round

SunPad Pro Master Mat

Heat Mat - Seed Starting Supplies

All the performance and safety features of SUNPACK’s standard heat mats, but with more power, larger size, linkability, and submersibility! Each 150W mat can accommodate five 1020 trays. read more