Kale planting calendar by USDA zone with expert tips for spring, fall, and winter crops to maximize flavor and harvest. Use our zone-based planting guide to know when to plant kale. * In colder climates, start seeds indoors, then transplant seedlings outside roughly 4 weeks before the average last frost date. In warmer climates, kale can be grown all fall and winter. · Full sun and fertile, well-draining soil produce the fastest-growing and most tender leaves, though kale will tolerate partial shade as well. · In USDA zones eight to ten, kale can be continually planted throughout the fall. Fall is the best time to plant kale in regions where winter temperatures don’t dip below the teens, or kale can be grown in a cold frame in northern climates. Set plants out in full sun to partial shade. · This guide walks you through exactly how to grow kale the way experienced backyard growers do it. We’ll cover when to plant by zone, the spacing trick that doubles your harvest, how to prevent bitter leaves, and stopping cabbage worms without reaching for harsh sprays. Kale is a cold-hardy leafy green that can tolerate a range of temperatures. It is generally recommended to grow kale in USDA Plant Hardiness Zones 7 to 10, although it can also thrive in zones 2 to 6 with proper care. · Discover when to plantkale in your zone with this comprehensive planting calendar and step-by-step guide.