Automatic Vent Opener - Standard Emitterline and Fittings Toss the asparagus to coat

Toss the asparagus to coat evenly with the seasonings

absorbent medium—ideal for seed starting

the tape will naturally break down

planting with other peach or nectarine varieties can boost yields

Automatic Vent Opener - Standard Emitterline and Fittings Toss the asparagus to coatIngenious temperature sensitive device that automatically opens and closes coldframe lids, greenhouse windows and even skylights. Works throughout the day and maintain a constant interior climate, something impossible to achieve by manual adjustments. Requires no batteries or electricity. It can be adjusted to start opening between 60 77F. Fully open at 86 90F. Fully closed at 55F. Strongly recommended for all our glazed season extenders because it