In zones 8–10, pre-chill bulbs 12–16 weeks at 35–45°f (2–7°c) before planting. · best time to plant tulip bulbs fall planting gives tulip bulbs exactly what they need: In general, northern gardeners plant bulbs outdoors in september and october, while southern gardeners plant them outdoors in november and december. The ideal time to plant tulip bulbs is in the fall , typically between september and november. Planting during this time allows the bulbs to establish roots before the ground freezes, which is essential for their growth and development. Time to grow roots before winter settles in, and those essential cold weeks that spark blooming. Plant tulip bulbs in fall when soil is ~40–55°f (4–13°c), roughly 6–8 weeks before your first hard freeze; Plant them in fall when soil temperatures consistently drop below 55°f, typically between late september and mid-november across most u. s. Planting tulip bulbs at the right time is crucial for their success. Spring planting is still possible, but a little less reliable. · to ensure a brilliant spring display, here’s our guide to the best time to plant tulip bulbs by usda hardiness zones 3 through 9. · the best time to plant tulip bulbs is generally in the fall , with specific timing varying based on your usda hardiness zone. · fall is the best time to plant tulips, however, the arrival of that season varies significantly across the united states. Tulip bulbs need a chilling period to bloom their best. When to plant tulip bulbs? The goal is to plant in fall , after the soil cools to below 60°f (15°c) but before it freezes.