The Northern Catalpa Tree grows well in USDA Hardiness Zones 4-8. It typically thrives in Full to Partial Sun and has a 13-24 Inches growth rate per year. Once full grown they can reach a height of 40-70 Feet and 20-50 Feet in spread. The Northern Catalpa Tree does well or is tolerant in Moist, Well-Drained Alkaline soil. Be ready to see a variety of wildlife drawn to the Northern Catalpa Tree as they can attract Hummingbirds and sphinx moth. Once in bloom the flowers will be White in color. When receiving your plant they will ship to you between 18-24 Inches in height. We unfortunately can not send these to the following states: AK,HI. We apologize! We only ship to the Continental U.S. and some states and the USDA have restrictions on specific plants. Please refer to the above section for a breakdown of the plant details and information. Happy Planting!