Answer: Your Cercis mexicana will produce flowers before the leaves emerge in the spring, so time your pruning carefully so you don't accidentally remove the flower buds. Prune right after flowering. Mexican Redbud is a compact growing tree or large shrub. You can train it to a single trunk and lightly prune every year to keep it looking its best. Topping is not a good pruning practice for any tree, so avoid it whenever possible. With a mature height of only 12'-15', it shouldn't be necessary to top your redbud.
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