In the early ‘60s, Professor F.N. Rusanov of the Uzbek Academy of Sciences Botanical Garden in Tashkent, Uzbekistan, decided to cross two related but quite different plant genera in the Bignonia ...

What do you do when the prize specimen of your landscape seems unable to shake the leaf-blight blues (or, more accurately, the “leaf-blight browns”)? Unfortunately, this is the second year that by mid ...

Q: Is it common for the chitalpa tree to partially defoliate in the summer? What would be the optimum amount of water for 15-foot chitalpa tree growing in Kingman, Arizona? A: Chitalpa, like some ...

One of its parents is the Indian Bean Tree, Catalpa bignonioides, a tree familiar to many gardeners today and famous for its flamboyant display of large panicles of orchid-like white flowers with ...

Even in the furnace of this July, Lubbock is in bloom. The Chitalpa tree is becoming a favorite medium-sized lawn tree and landscape accent specimen because they are floriferous trees, blooming all ...

Everyone asks about the flowering tree that stood out so beautifully this spring beside the walkway to the gazebo at the Carleen Bright Arboretum. An offspring of the desert willow, it is a cross ...

In the search for better trees for harsh, dry sites, we find only a few with showy flowers and cool green leaves. Here is one to consider: Chitalpa. The name is a contraction of Chilopsis and Catalpa, ...

Q: When our landscapers installed new water lines for irrigation, they cut through two major roots on a Chitalpa tree. One root was 4 inches in diameter, and the other 1½ inches in diameter. These ...