Crepe Myrtle, Black Walnut

Question

Will proximity to a black walnut keep crepe myrtles from blooming? They are growing well but not blooming at all – wondering whether it could be the black walnut toxicity?

Answer 1

If the crepe myrtles are growing well, then it is more likely shade than the black walnut that is keeping them from blooming. If it was the black walnut, it would be making the whole plant sick. This article should help with getting them to bloom: https://www.gardeningknowhow.com/ornamental/trees/crepe-myrtle/crepe-myrtle-not-blooming.htm