85 Days. Powdery mildew can decimate an acorn squash crop, but now there’s a solution - Royal Ace PM. Royal Ace PM produces big yields of very high quality acorn squash.The fruit are very uniform for size and shape and have an attractive dark green color. The color retention is good in storage and its flesh qualities are rated very high. The large semi-bush plants have thicker foliage than other acorn varieties, but their yields and powdery mildew tolerance are second to none. View Home Gardener Description
