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Sick Looking Rose of Sharon

I have 4 rose of sharons and am having trouble, the leaves are turning yellow. Everyone elses around here are blooming and mine look sick. I live in alabama, could anyone give me some help here? Thanks,

Anita

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November 15, 20040 found this helpful

DH, who is a horticulturist (in Australia) said to check if the underside of the leaf has brown rusty spots.

It is a fungus and needs to be sprayed with a fungacide.

It still wouldn't hurt to give it a good dose of fertiliser...

He's only guessing here because Alabama is a long way from Western Australia!! lol...

Rose of Sharon is one of DH and my most favourite hibiscuses... but also very susceptible to rust... so that's why he mentioned it. Your other option is to put a leaf inside a ziplock bag and take it to your local nursery and they should be able to help. You MUST always put leaves like this in a bag so that if it does have some sort of infection... fungus or otherwise, it will not infect any other plants.

Hope this helps

p.s. not sure why sort of climate you have in Alabama, but in Western AUstrlia, it's very temperate... with summer temperatures that can reach 117-120... and only as low as 30 at night...This type of temperature can make plants susceptible to rust

Cheers

Bev

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November 18, 20040 found this helpful

Hi Anita,

See if any of these fit.

http://members.  cus/diseases.htm

If you need more help, please let us know.

Newt

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November 19, 20040 found this helpful

Are your plants also called altheas? Mine are and their leaves are falling rapidly. (I'm in North Florida)

That's an anual thing for my altheas. They are so big and beautiful in the summer, and for several weeks now, they are losing their leaves. I think you'll find it's Mother Nature. I've had mine for six years. Good luck!

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By guest (Guest Post)
February 13, 20050 found this helpful

When and how much should I cut my sprouts on the altheas?

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By guest (Guest Post)
May 12, 20070 found this helpful

Im in n, east ri new england and I have a rose of sharon that looks like dead wood. Are they late bloomers and when should I see some buds? Someone help I am ready to pull it up because it looks dead.

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