P. Incarnata in container with trellis, maintaining size

learn2turn(6)June 27, 2010

I have a P. Incarnata I started in a 14" pot with a 4' wire obelisk trellis. It's almost to the top. It's on the deck but I plan to bring this one in winter. I guess they can get 15-20' long so I have to figure out how to limit this one. Options:

Trim/prune, will it just then "fork" at the trim point? That wouldn't limit it for very long. Will it put more shoots up from the ground?

Try to train it back down the trellis? Will it only just grow up?

Let it grow over the deck and then trim it back in winter to detach it from deck and bring in.

One think I'm hoping is that it puts up more shoots to cover more of the trellis. Do they do that the first year or do you have to wait for it to "spread"?

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taz6122(N.W. AR.6b)

You need to trim it to make it fork or start new growth from just about any node or even send up another shoot from the roots. I kept a plant inside last winter. I took cuttings through the winter to keep it short and about 50% actually struck roots. I planted them in ground a few weeks ago and have had 7-8 blooms and one fruit set. I'm going to take some cuttings in fall to insure I have plants next spring but the ones in the ground should come back.

    Bookmark   June 29, 2010 at 12:43PM
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