Seed Starting Heat Mat Size (inches):20x20 Bloom Season: Late spring through

Bloom Season: Late spring through first frost (continuous reblooming)

commonly known as the Aphid Predator Gall Midge

and no more ordering replacement rafts every time you hire a new worker

Weather-resistant design

3" x 48" Tri-Clamp Spool

Seed Starting Heat Mat Size (inches):20x20 Bloom Season: Late spring throughThis item ships separately directly from our supplier partner and will arrive independently from other items in your order. Germinate Seedlings Faster! Propagate all your new seedlings using Seedling Heat Mats to ensure the perfect environment for newly established root growth, plant cuttings, and germinating seeds. Heat mats are designed to reliably warm the root zone between 10 20F above ambient air temperature. Want to learn more about heat mats?