I would probably unwrap to just the parafilm and worry only about sun. Put some shade on the grafts until you see growth is the safest. Some just use paper bags tied over, or just shade the whole tree. Iv'e only grafted citrus by whip and tongue, using half ripe wood of the current season's growth, so like right now take this year's wood trim off the juicy green tip wood and all the leaves and graft. Good luck. Hopefully some will take. If you really think the rain could be a problem, maybe more parafilm, you can also use white glue or latex paint to seal where needed.
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Adie80
3 years ago (edited)