When planting 1 gallon size trees, dig your holes 10 to 12 inches round and 6 inches deep. Top dress with a good slow release fertilizer after you plant. Mulch 3 to 4 inches deep(very important)
The more care the first year will make for very nice trees.
Water in deeply after you plant. Keep them well watered for the first two years after planting. You can not over water.
Hardy in Zones 5 to 9
When planted between 4 & 5 ft. apart, Thujas will grow 6 to 8 ft. wide & 25 to 30 ft. tall.
When planting new trees and shrubs in sandy or clay soil, we recommend mixing Black Kow® with and equal part of soil from the planting hole. You will find Black Kow at all Lowes stores.