bberry wrote:

My Houston-area River Birch planted a year ago lost all but the the
outermost leaves in last week's heat wave.

A week later, new leaves are emerging as if were spring.

Willl this affect the tree's ability to lose leaves again in the Fall
(some time in November) and re-leaf in the Spring?

No.

Are there any precautions I need to take?

Make sure it gets PLENTY of water . . . at least an inch a week.
One or two good soakings are better than watering every day,
though. Watch the trunk for sun scald. It should be OK.

Chris Owens


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