An empress royal paulownia tree is a fast-growing tree that typically reaches a height of 25 feet by the third year. Because of its fast growth, it is the perfect tree to plant in a new, barren landscape or in an area where quick shade is needed. An empress royal paulownia is not picky about the soil in which it is planted, making it the ideal tree in to grow in United States Department of Agriculture plant hardiness zones 5 to 11. An empress royal paulownia tree can be planted any time of the year, but spring and fall are best.
Choose a spot in full to partial sun to plant a empress royal paulownia tree seedling. It needs at least four hours of sunlight a day and needs enough room to grow 60 feet tall and 40 feet wide.
Provide a soil bed that drains water well. Dig a hole that is about 3 feet in diameter and 1 foot deep. Mix in approximately 4 to 6 inches organic matter (e.g., peat moss or compost), which helps improve water drainage of all soil types.
Take the seedling and the soil surrounding it out of the nursery container. Tap the sides and turn it over and carefully remove it.
Fill back in the hole until it is deep and wide enough to plant the empress royal paulownia that you just took out the container. Plant the original soil along with the plant.
Back the soil again to fill in any remaining air pockets and water the empress royal paulownia seedling with 2 inches of water.