Brown Chrysanthemum Buds That Don’t Open And Leaves Curling – What Could Be The Problem(s)?

Question

Hi, I am based in Cambridge, UK. I purchased some bedding chrysanthemum plants from a garden centre and planted them in my garden in mid-July. Since planting, I have seen the plants produce new buds which then turned brown and did not open. This was accompanied by leaves developing dark/black patches. Following heavy rainfall in mid-August, the plants produced a lot of new growth and new buds. However, I noticed that the leaves around some of these buds are curling upwards and am concerned that the buds themselves could again fail to open. I have attached pictures showing a bud that turned brown and did not open, the dark patches on a leaf and the leaves curling around the new buds. Apologies in advance – there are bits of mown grass on some of the leaves, but I hope the images are sufficiently clear. Would you be able to identify the problems and what could be done to remedy them? Many thanks in advance. Best wishes, James Ng

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Answer 1

This article should help. I would cut off as much of the dark buds, leaves as possible.

https://www.gardeningknowhow.com/ornamental/flowers/chrysanthemum/treating-bacterial-leaf-spot-on-mums.htm