Graft Window: Fruit Tree Time

By JUHWAN PARK on AppTrack Ninja.

Scion Temp & Budding Day Guide

Should you graft today? Graft Window turns your local weather forecast into one clear answer - GO, WAIT, or DON'T - for grafting and budding fruit trees, based on your scion type, graft method, and the callus-forming window ahead. Most grafts fail on timing, not on the knife. A graft only takes when the union forms callus, and callus needs the graft site to stay warm enough for about two weeks - while the nights don't drop too low and the midday sun doesn't cook the scion. A clear sunny day can heat the union far above the air temperature and dry the scion out before it takes. That is a movin…

Categories: Lifestyle

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