Yes, Labor Day is over, but there are still new flowers to plant! If you forgot to water this summer and your flowers are fried, or if you just need a spot of color here or there for fall, look for winter pansies. Mischler’s Florist and Greenhouses, 118 South Forest Rd., Amherst, has them in a four-packs, 6 1/2-inch pots and combined containers. The winter pansies, grown right at Mischler’s, are frost tolerant. They’re capable of withstanding our unpredictable fall weather….