What is the latest you've planted clematis in the fall?

Julia NY(6)July 29, 2011

I'm wondering if it a good idea for me to plant clematis in September in my zone 5/6 garden. We typically get our first frost around mid October and a hard frost by late October. Nothing is for sure but that is normal.

What is the typical lead time for planting clematis in the fall before the first frost or does that not matter?

Julia

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kentstar(5b, NE Ohio)

I planted SAC in September. It did just fine. :)
Just keep them well watered. I would say no fertilizers either. Just the water for now. In spring you can begin fertilizing.
Make sure the hole is amended well with compost.

    Bookmark   July 29, 2011 at 5:26PM
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Julia NY(6)

Would the type of clematis make a difference? I know SAC is suppose to be a vigorous grower and would size of the clematis matter, ie gallon vs small potted ones?

Julia

    Bookmark   July 29, 2011 at 6:52PM
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kentstar(5b, NE Ohio)

If you can get gallon then by all means plant that one. Otherwise, I don't really think it matters. I always planted right out in the garden without much trouble. The sooner you can get them in the ground the better too. They need time to grow roots to survive the winter.

    Bookmark   July 29, 2011 at 10:31PM
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NHBabs(4b-5aNH)

The advantage of fall planting is that the soil is still warm, but the air is cooler, so it's a good time for growing roots and there's less water stress on a new plant. I often plant in the fall, even after frost, but usually before a hard freeze. We often have 6 to 10 weeks between the first hard freeze and when the ground freezes, and if we have early heavy snow, the ground doesn't always freeze. I do mulch areas with fall plantings particularly deeply so that the soil stays warmer longer and so plants don't heave if the roots haven't grown enough to hold to the soil well. We have good snow cover most years, so I don't worry over the winter about freeze thaw cycles, just in April for about 3 weeks. I haven't ever lost a fall-planted clematis in its first winter, though I do sometimes lose older plants over the winter due to the cursed voles.

    Bookmark   July 30, 2011 at 12:34AM
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Julia NY(6)

Thanks for all the help. I feel better about letting them ship in September.

Julia

    Bookmark   July 30, 2011 at 5:18PM
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