Propagating Astilbe

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seran72 Bozeman, MT Aug 04, 2010

Does anyone have any insights into propagating Astilbe?

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seran72 Bozeman, MT Aug 04, 2010

Hi - I did some research on the web and it looks like the only consistently mentioned method of propagating Astilbe is by dividing the root ball. Is that consistent with everyone's experiences?

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burn_2007 Grand-Falls, NB(Zone 4a) Aug 22, 2010

Hi Seran, I divide mine , plus I have some seedling coming up, from seeds that fall on the ground.

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Aug 23, 2010

I've tried to start seeds but they've never germinated for me. Dividing is definitely the way to go and almost instant gratification.

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avianut Omaha, NE(Zone 5a) Aug 30, 2010

What time of year do you divide yours?

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burn_2007 Grand-Falls, NB(Zone 4a) Aug 30, 2010

I've done them in spring and in fall. If in fall, I do it early, so the roots has time to established, before the ground freeze.

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Aug 30, 2010

We had a cool summer last year so I spent a good deal of time dividing them then. With adequate rain too, they all came back this spring. Glad I didn't do any Astilbe dividing this summer as we're really short of rain for August with unusually hot weather. I did forge ahead and divided a couple of Hostas and they've been getting supplemental watering.

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