Zone: 4 to 9Grows to: 70-90 ft. Large, smooth, tulip-shaped leaves turn yellow in the fall. Pale, yellow tulip-shaped flowers are produced in spring. Also known as tulip poplar and yellow poplar (but it is not a member of the poplar family), canoewood, saddle leaf tree and whitewood. Tuliptrees prefer a temperate climate, sun or partial shade, and deep, fertile, well-drained and slightly acidic soil. They can become very large, so they are best suited for large, open spaces. How To Start These Seeds:Scarification:None requiredStratification: Cold stratify for 180 daysGermination: Sow seed 1/4 inch deep, tamp the soil, keep moist, mulch the seed bed Seed Count Per Packet:This packet contains 25 hand-sorted, high-quality seeds. If refrigerated upon receipt, these seeds can be stored for up to a year before you decide to use them.