Gardening and Horticulture - Black Spots On Peony Leaves

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mlminin

07-06-01, 03:43 PM

What is causing the spots and what should I do? Thank you!

Gami

07-09-01, 09:14 PM

Hi M,

I know you got an answer (somewhere) :), but just for referral, this site mentions a lot of diseases that peonies can get -

http://www.extension.umn.edu/distribution/horticulture/DG1153.html

BTW, I've never noticed this advertisement about contractors at the bottom of a post before. Has anybody else? Maybe I've just been blind?!

Gami

fewalt

07-09-01, 09:49 PM

Gami,
I've seen the contractor posts once or twice, but not after every post in every forum I've looked at tonight.
Maybe if we ignore them they'll go away.
fred

fewalt

07-10-01, 06:50 AM

Gami,
Well, I couldn't ignore those posts, so I e-mailed brandon
to find out what is going on.
fred

Gami

07-10-01, 08:30 AM

Thanks Fred! It certainly is annoying when someone does that! I wonder how they managed that? No, I don't really want to know! :)

Gami

mlminin

07-10-01, 05:41 PM

Thanks, Gami, for the site. The pictures help! I identified the problem as a virus, not fungus. I may move it to a "lone spot" and watch it. I don't want the others to be infected by it.

Gami

07-10-01, 08:17 PM

Hi M,

You're welcome! :) Funny thing is, I only have one peony in my garden, but I have two that I bought last fall and they are still in pots. I haven't decided where to plant them. The one in the ground has the same thing going on as yours, but the ones in pots are absolutely healthy??? I don't think I'll plant them in the same spot.

Gami

07-15-01, 08:16 AM

My wife planted a peony last year and it developed black spots. This year the black spots are gone and the plant looks healthy but, still no blooms. Is this normal?

Gami

07-15-01, 10:20 AM

Hi DUSTYSKYS,

That depends on where you are, but if you are anywhere in the States, I would say that is abnormal. They are one of the first things to bloom in the spring, normally.

Several things contribute to peonies not blooming. The main things are not enough sun or not planted at the right depth. They should have full sun, or at least 6 hours, or dappled shade in late afternoon. The soil may also be too acidic.

Check this site out. It goes into more detail and has a drawing of what depth they should be planted.

http://hgic.clemson.edu/factsheets/HGIC1170.htm

Gami