Ironwood leaves die in spring?

Plants

This spring, all four of my young ironwood trees lost their leaves. The leaves turned yellow just as spring growth happened all around them. I thought somehow my trees were dying, though I didn’t see any reason why. About a month after the leaves started dying, I saw new growth. All four trees have now grown new foliage.

While I’m not sure why this happened, I’m glad the trees are still healthy. I found this information at desertmuseum.org:
“Branches that produce flowers often drop their leaves during bud formation, and re-leaf when summer rains begin”

My young trees have never flowered, but perhaps their leaves had remained on the tree long enough to need to be replaced. Ironwoods remain my favorite desert tree due to their size, leaf color, wildlife habitat, and shade. Some day I hope to have a large wildflower area with three mature ironwood trees as the backbone. I’m glad these trees are okay. They grow slowly and would be hard to replace.

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