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Larkie Camilla, GA(Zone 8a) May 15, 2006

Persicaria orientalis

blooming today.. I love these old fashioned plants that re-seed every year.

Larkie

Post #2282754

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dmac085 Greensboro, NC(Zone 7a) May 15, 2006

That is so pretty! I just got some seed for this year so I'm hoping I'll have good luck with it.

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lithops Chicago, IL(Zone 5b) May 16, 2006

I'm curious, how tall is the plant in the photo. I just planted some seeds of this and my package (from select seeds) says they grow 8-10'. I can hardly believe it. Have you grown this before?

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Larkie Camilla, GA(Zone 8a) May 16, 2006

These are probably about 4 feet.. They got mowed down this spring or they would be taller by now..

Larkie

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DaleTheGardener Tampa, FL(Zone 10a) May 17, 2006

Larkie,

I grew them when I lived up north (MN) and they wouldn't bloom until fall. I tried them again this year (FL) and they bloomed in a couple of months. Right now they are not growing at all, they have made seed. I was hoping they would send off side shoots and grow larger. I am reluctant to cut them back, I don't want to lose them, any tips?

Post #2287878

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Larkie Camilla, GA(Zone 8a) May 17, 2006

I don't really have any tips.. These grow like weeds here in south GA..I'm surprised they don't in Fl...They are in an area that gets no special treatment..They just reseed each year.. Maybe your's are a different variety.. I know the wild Knotweed doesn't get all that tall.. I have it all around my pond area.

Larkie

Post #2288063

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missgarney Cullowhee, NC(Zone 6b) May 17, 2006

Is this the same as Polygonum orientalis, a plant classified as an exotic and invasive species?
See http://www.invasive.org/browse/subject.cfm?sub=6226

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Zeppy Shenandoah Valley, VA(Zone 6b) May 17, 2006

Yes, it is. I love it. I love a lot of "invasive" plants.

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lafko06 Brimfield, MA(Zone 5a) May 25, 2006

Zeppy,

I just got seeds for this plant and haven't started them yet. I have heard they are hard to start by seed, is this true do you know?

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Larkie Camilla, GA(Zone 8a) May 25, 2006

Mine started from seed very easily..They were winter sown several years ago.. Now they re-seed freely.

Larkie

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Zeppy Shenandoah Valley, VA(Zone 6b) May 25, 2006

Sigh, mine did not. I also winter sowed.

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lafko06 Brimfield, MA(Zone 5a) May 26, 2006

Thanks u2. I'm zone 5 so mine may not come back either. I just soaked mine in fish emulsion for almost ten hours and planted them directly in the ground. I'll let you know if I have any success.

Thanks again.

Megan