You are viewing all Organic Growers Supply products related to “season extenders.”

Covertan PRO 19 Floating Row Cover
This spunbonded fabric is soft and pliable, UV-stabilized, offers about 4° of frost protection, and transmits up to 90% of sunlight. read more

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Good all-purpose plastic mulch for cool-weather areas. Excellent weed suppression. Increases soil temperatures by several degrees. Recommended for tomatoes, cucurbits and sweet corn. read more

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IRT 100 Mulch
Suppresses weeds nearly as well as black mulch and lets infrared light through to warm the soil beneath more quickly and to a higher temperature. Adds days to the growing season for northern growers. read more

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Upper white layer reflects sunlight back on the plants, increasing photosynthesis. Black lower layer blocks light to suppress weeds. Keeps soil temperatures lower for cool-loving crops. read more

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