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PostPosted: Mon Jul 14, 2008 9:24 am 
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Joined: Sat Jun 28, 2008 11:12 am
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We have a hollyhock planted at the corner of our porch getting bigger & fuller each year, but most of the buds seem to dry up before opening. At most we get 3 or 4 flowers blooming at a time, while, hundreds of little buds, often in clusters, just dry up and fall off. The plant gets full sun for 4-5 morning hours then indirect sun for most of the rest of the day. This has been happening from the very first year, regardless of whether it is a wet or dry summer.

Does anyone have any ideas?


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PostPosted: Sat Jul 19, 2008 10:11 pm 
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Joined: Wed Mar 01, 2006 10:36 am
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Location: Wa. state
Have you opened some of the buds and checked for thrips?
They will look like tiny black skinny bugs running around. I'm not real sure if they attack hollyhocks, but I know they will prevent roses from blooming, and cause them to dry up as you described.
Just a guess...

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Coralie


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PostPosted: Sun Jul 20, 2008 2:55 pm 
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thanks, coralie. I will try that. i have noticed that something is eating the leaves - my husband thinks it's slugs. since my posting, several buds actually bloomed.
Merrilee


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PostPosted: Sat Aug 02, 2008 5:48 pm 
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Location: Ontario Canada Zone 5A
may be ear wigs eatting the hollyhock dust the leaves with a little potato dust that will stop them.

As for the buds not opening do you ever notice any rust or powdery mildew on the plants ?>

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PostPosted: Mon Aug 04, 2008 12:59 pm 
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i haven't noticed any dust. the earwigs are a possibility because this old house invites them, but the problem seems to be very early in the budding stage. just this last week, a number of blooms matured and flowered and it looks like a there are some more large buds. maybe i was just too greedy, wanting them all to flower....


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