I’ve been looking into simple ways to keep to keep a raised garden bed warm at night.  So far, I’ve figured out the following: What doesn’t work:  Floating row cover (Post #G21-012) What does work:  Space blanket plus “passive solar” (Post #G21-014) Why that works:  The math behind the space blanket (Post #G21-015) You … Continue reading Post #G21-018: Radiant barrier for keeping a raised bed warm at night, final post.