They are deciduous, and their oval, lance-shaped, gray-green leaves add color to your landscape when.

Jul 01, Answer: This is a problem that has been challenging us as more and more people plant Chitalpa trees. These symptoms develop each summer here in New Mexico creating a mid-summer leaf drop. The trees often refoliate following the onset of monsoon rains and cooling temperatures. Sep 19, I read an article on the web that said they are prone to leaf drop in the summer (this was in New Mexico) and that their water requirements are closer to Catalpa than Chilopsis.

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This is a problem that has been challenging us as more and more people plant Chitalpa trees.

My landscaper planted two Chitalpas in my Scottsdale front yard early February. They are on a watering system as is the rest of my yard.

They bloomed in March/April but now I notice yellow and brown leaves and lots of leaf drop. Is this a fungus? Or, is this just what the chitalpa does? Help!! Aug 02, A. Chitalpa, like some African sumac, is notorious for leaf drop in the middle of summer. According to several authorities from New Mexico and Arizona this is common with this tree. Author: Xtremehort. Aug 08, A: Chitalpa, like some African sumac, is notorious for leaf drop in the middle of summer.

According to several authorities from New Mexico and Arizona, this is common with this tree. Estimated Reading Time: 8 mins. Chitalpa trees exhibiting yellow to brown spots on the leaves, leaf blight, wilt and premature defoliation may be caused by environmental stress, extreme summer heat. Applying extra water does not seem to help, however acidification may.

The desert Southwest.