Mandlvilla Was Frost Bitten

ferguson303(8A)February 6, 2008

I purchased a red Mandevilla last fall at Lowe's and it has been doing great until about a week ago. I have been wintering it in the garage along with some other plants that I kept a heat light near. On nice days when the temperature outside would get over 70, I would put it out for the day in the sunlight. It was still growing great even though it was mostly confined indoors. Last week the temps were in the 70's during the day and 50's at night so I just left it out except one night the weatherman lied (imagine that!) and the temperature dipped to 29 degrees. I think the frost got to it, the leaves look like that have been frozen but not dropping off yet.

Should I cut it back or just keep an eye on it and hope for the best?

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If the foliage looks damaged I'd cut the vines back. The power went out in my GH and mine froze. I cut the stems back almost to the soil and they're putting out lots of new growth. As long as the roots didn't freeze it shouldn't be a problem. I have to cut them back to get them inside every fall anyway and have never had a problem with them growing back.

    Bookmark   February 6, 2008 at 10:33PM
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I went ahead and cut it back to about 10", the leaves were dried out, but I noticed a little one inch sprout coming out from the base. It just makes me sick because it was about three feet tall, doing great and still shooting out runners off the top and best of all - it made it thru the winter in the garage. It's in a container with a tellis, I was having to take the runners and wrap them around it because they didn't have anywhere else to go.
This is my first year growing this and within the next month hoping to get it outside in the sunlight more.

Are they fast growers?

Can I take cuttings to start more?

If I was to take it out of the pot at this stage and break up the main root to start more, would it kill the plants?

I don't want to lose it, it WAS a beautiful plant last fall.

Any help from those that have been there would really be appreciated.


    Bookmark   February 7, 2008 at 11:02AM
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I wouldn't say they are particularly fast, more average. It will reach several feet in a fairly short amount of time once it warms up and it can go outside. I wouldn't unpot it and start trying to cut the roots apart unless you know for sure there's more then one plant in the container. The only way I've been able to propagate a mandevilla is by layering it.

    Bookmark   February 7, 2008 at 2:25PM
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