hot cap
horticulture
Quick Summary
A "hot cap" is a protective covering used in horticulture. It is typically a cone made of translucent paper or plastic that is placed over young plants in early spring. These act as miniature greenhouses, shielding the plants from frost and helping them to grow. This method is one of several temperature-control techniques used in cultivation, alongside cloches, plastic tunnels, and mulches, to create a more favorable environment for plant development.12
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