The Oklahoma redbud plant is a small tree that can thrive in many different soil types and in full sunlight to partial shade. The Oklahoma redbud has glossy, attractive leaves and blooms in the spring with showy, lavender flowers. Native to North America, this redbud tree is drought-tolerant and low-maintenance. The Oklahoma redbud grows best in USDA hardiness zones 7 through 9, enduring winter temperatures down to 5 degrees Fahrenheit, but it can also grow in containers in colder regions.
Water your Oklahoma redbud lightly two or three times each week during the first three months of the first growing season after planting the tree. Water the tree once each week afterward for the rest of the first growing season. Pour one to two gallons of water for every inch of trunk diameter directly over the root ball.
Spread a 3-inch layer of bark mulch in a 6-foot diameter circle around the base of the redbud tree to prevent weed growth. Keep the mulch ring at least 10 inches away from the trunk and apply a thinner, 1-inch layer of mulch over the root ball.
Water your Oklahoma redbud tree during the second and subsequent growing seasons once or twice each week during the growing season and once or twice each month during the winter, only if you live in a warmer, drier region.
Prune your redbud tree in early spring or late fall to remove any damaged, diseased or broken limbs. No other training or pruning is necessary.
Treat your Oklahoma redbud for fungal diseases, such as canker and leaf spots. Prune away and destroy all diseased growth on the tree, and then spray the tree with a copper-based fungicide according to the instructions on the label.
Things You Will Need
- Garden hose
- Bark mulch
- Pruning tools
- Copper-based fungicide (optional)
- Horticultural oil (optional)
- If you live in a cooler region with moderate rainfall, water your Oklahoma redbud deeply only during dry spells or droughts after the first or second year of establishment.
- Don't plant your Oklahoma redbud tree too deep. You must plant the tree so that the topmost part of the root ball, called the root flare zone or "root collar, is above the soil surface.
- Watch out for pests, such as scales, infesting your Oklahoma redbud tree. Spray your redbud tree with horticultural oil sprays during the growing season to get rid of scale insects.
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