Wisteria in a large container...need for root pruning?

alliadaApril 3, 2013

Anyone have experience with growing a wisteria vine in a very large pot? Mine has been planted for almost 5 years. The first 4 years it grew very well and after the third year I pruned it substantially down to just one leading vine with the hope of all future branches growing off it. Last year it failed to grow but did bloom and leaf out. Thoughts? Do i need to attempt to root prune this? i am worried about how im going to do that since the vine is wrappedd around the post of our patio. I have only added soil to the top and fertilized but have done nothing else. The blooms are budding out now and it looks like a good year for them. It's probably potted in miracle grow soil.

Also, in the pot I also have three strawberry plants. I am not familiar with the root system of this plant and am wondering if its too invasive for the wisteria. They have cohabitated now for 3 or 4 years.

Any advice would be greatly appreciated!

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kandhi(z7VA)

I have 2 wisterias in big pots for4 years and they are doing fine. I prune the plant every year in fall and then in spring after bloom to control the growth. they bloom every year without any fail.

    Bookmark   April 5, 2013 at 4:34PM
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alliada

Nice vines kandhi. So you've never root pruned?

    Bookmark   April 6, 2013 at 3:45AM
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nil13(z21 L.A., CA (Mt. Washington))

I would wait until after the bloom and then prune them hard, bare root them, root prune, and repot in gritty mix or something with some long term structure. It sounds like your potting medium is spent and compacted. I also don't like plants in containers making themselves permanent, so I would prune back to where it starts wrapping around the post and retrain so it's straight up the post. That's just me though.

    Bookmark   April 6, 2013 at 11:33AM
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