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Asked by
Anonymous on
November 14, 2021Q.Late Plating Of Ptelia Trifolia
Just put one in the ground, bare root and well watered. Hoping it will survive the winter and grow in the spring. I live in east-central Ohio (zip 43022). We've had our first killing frost this past week but the ground is still soft. What are my odds? I am an amateur lepidopterist and have fantasies of getting Giant Swallowtails here.
Answered by
GKH_Susan on
November 17, 2021
Certified ExpertA.I think your odds are very good. Trees are best planted in the fall. If you have a dry winter, be sure to irrigate it about once a month. You can increase your number of Giant swallowtails by planting the herb rue (Ruta graveolens), which is also a host plant. It is hardy to zone 4 so should do fine during the winter. Mine seem to die out after a couple of years but I know others who have it for a long time. I also grow common prickly ash, Zanthoxylum americanum, and I always get caterpillars of the Giant.
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