leggy black eyed Susan

Question

my black eyed susans are in the front of the house exposed to full sunlight at least 7 hrs of the day there are a lot of them but the flowers are very tall and fall over my neighbours are standing upright and look stronger. I mulch in the winter but I have never thinned them out in 5 years that I have had them. The purple ones and also the daisies follow suit.

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Answer 1

It is very helpful to the plant to deadhead it at least once per season, although you can do this more times if needed. This article will help: https://www.gardeningknowhow.com/ornamental/flowers/black-eyed-susan/deadheading-black-eyed-susans.htm