Wintering potted Clematis

gigim(8A SC)April 29, 2014

I just received a Killian Clematis from mail order (Blue Stone) to replace one I ordered on sale last spring that died. I am going to plant it in a pot for its first year inorder to give the roots time to get established, and keep it pruned.
In the winter I will bring it into the garage. I think it will stay warm enough (but not too warm). Do I water it in the winter? How often?

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buyorsell888(Zone 8 Portland OR)

In your climate zone there is no need to bring it indoors over winter or to pot it for a full year at all. A few months to grow to gallon size is fine.

It would be more likely to die in your garage than outside in a pot. They are outdoor plants.

    Bookmark   April 29, 2014 at 5:14PM
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Agree. Winter over clems all the time in 1 gallon pots outdoors and unprotected. NBD

    Bookmark   April 29, 2014 at 7:24PM
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By fall it should be large enough to plant out. If you are planning to plant it in the ground in the long run, due to the decreased heat and water stress on the plant in fall's cooler temperatures, that would be a great time to plant it in its final home.

    Bookmark   April 30, 2014 at 10:11AM
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For my first clematis and learning how to care for it, I had a clematis in a 1-gallon since spring 2013, and I thought it probably would have died over the winter, but it certainly came back, and that is including this harsh winter where so many people had plants that died.

So if I had it to do again, if I did leave it in the container, I would probably mulch the container throughout the growing season and including winter, and also might go to a 2 or 3-gallon in the first season because I didn't know how well a 1-gallon would do, but just know that 1-gallon worked.

When I did transplant it in the spring a few weeks ago, the root ball was not that big and did not fill the 1-gallon, so it probably could have stayed there for another growing season, or perhaps I could have done other things to help it grow better in the 2013 season. It is now about 24-30" tall with 2 primary vertical vines, so I think my lack of knowledge on how to care for it in the first year did not detrimentally hurt it.

    Bookmark   April 30, 2014 at 10:22AM
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buyorsell888(Zone 8 Portland OR)

Most Clematis are hardy down to zone 5 so there is no need in zone 8 to take special precautions over winter.

    Bookmark   May 3, 2014 at 1:26PM
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