Answer: I think Tabebuia will grow too large for the site you describe. Here are a few suggestions:
Cornus kousa (dogwood). There's a pink flowering cultivar and this tree typically produces multi-trunks.
Flowering Crabapple (mature height 10' to 25', depending on cultivar) - with over 200 cultivars there are many different types available - from those with white to pink to red single or double flowers; with tiny 1/4" fruit to larger 1 ? ? crabapples; with yellow or red fruit; and from upright to columnar to mounded to weeping forms. Several of cultivars also add some fall color to their list of attributes. Look for varieties resistant to mildew and fireblight.
Flowering Cherry (mature height 12' to 50', depending on cultivar) - perhaps one of the most beautiful small flowering trees available. Like the crabapple you?ll find a variety of flower forms from white to pink; large or small; single or double. The tree form varies with upright, spreading, and weeping forms available. Many cultivars have a bronze to deep red fall color.
Redbud (mature height 20' - 25') - here?s a tree that everyone falls in love with when they see it in springtime bloom, especially those cultivars with deep, purple-rose flowers. Flowers come out before the leaves in early spring and adorn the bare branches. The tree usually branches close to the ground and develops a spreading, somewhat flat-topped crown. Look for heat resistant varieties like `Oklahoma? with glossy leaves and red tipped new growth.
Good luck with your landscape!
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