Peony Disease?

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Author Message   Hankeat  Posted on Tuesday, June 26, 2007 - 06:39 am EST :    There’re some brown stains on the new leaves of my tree peony 'High Noon' recently. It started at the tip of leaves, and then it spread to other part of the leaves. It happened only on new leaves. The old and mature leaves are healthy. Is it a disease? How to cure it? Thanks in advance. Hankeat - Berlin, Zone "7a"   Galanthophile  My Favorite Photo My Garden Posted on Tuesday, June 26, 2007 - 06:50 am EST :    Hi, I found this on the Kelways peony site and think it could apply to your plant. Peony Wilt Tree peonies rarely suffer problems from pests and are unpalatable to rabbits and deer. The only disease you are likely to encounter is peony wilt. This may appear in early spring, usually before flowering. There are no longer any chemicals with label recommendations for the control of fungal diseases on tree peonies. Good hygiene and cultural practices are the key to preventing and dealing with fungal attack. Maintain a good air flow around the tree peonies by not overcrowding them with other plants, particularly at ground level. The fungal spores of peony wilt can overwinter on old foliage so it's important to pick up and burn old leaves in the autumn. With deep planting, good hygiene and regular observation, although peony wilt may appear occasionally, it rarely causes serious damage to a mature plant. Galanthophile - Ann (Northern England), Zone "8"   Flower_power  My Weather Posted on Tuesday, September 11, 2007 - 06:30 pm EST :    I would make sure there is also enough airflow around your plantings. I see your terrace/deck on the other post and while it is amazing, beautifuland stunning it could be considered crowded. You could be susceptable to this due to the environment... Flower_power - Connecticut, Zone "Zone 6"   Hankeat  Posted on Wednesday, September 19, 2007 - 08:39 am EST :    Yes, it's too crowded at my terrace. Every plant deserves the best place, but how? I've to behave myself not buying any new plant. Hankeat - Berlin, Zone "7a"   Flower_power  My Weather Posted on Wednesday, September 19, 2007 - 11:27 am EST :    How about some shelves or tier level planters. I know you do not like railing planters as your neighbor has them but a lot of your plants seem to be on similar levels. Flower_power - Connecticut, Zone "Zone 6"   Hankeat  Posted on Thursday, September 20, 2007 - 04:27 am EST :    John thanks for the suggestion. I got some of my plants from relatives and neighbour. The heights of the plants and the colour of flowers were normally unclear, as they couldn’t remember. Some I bought from discount market and few were with wrong tags. So I’ve to wait till their bloom, then I can transplant them. I’ve to admit that unlike my neighbour I tend to have mono or bi culture. Half of my plants are pelargonium and peony. They’ve same height, need sunlight and good air circulation. The worse is when I’m going to buy a new plant. It’ll probably be these two types. Hankeat - Berlin, Zone "7a"

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