Question: It is now mid-October. Is it too late to transplant perennials or plant shrubs or trees? Answer: Jonathan Foster, Home Horticulture Outreach Professional At this point, it’s probably better to wait until spring. Transplants typically need about 4-6 weeks to reestablish their root systems, and if that doesn’t happen before the ground freezes the read more It is now mid-October. Is it too late to transplant perennials or plant shrubs and trees?