How Hardy Is Sun Parasol Mandevilla Vine

Filed Under: Perennial Plants, Tropical Plants, Vine Plants · Keywords: How, Hardy, Sun Parasol, Mandevilla, Vine, Plant, Hardiness · 5704 Views
I had a beautiful blooming parasol i bought last year for my backyard. It bloomed constantly! The plants looks dead this year...just brown sticks...i know it is a perennial but not sure if it should have already bounced back or if this commons and they are just late bloomers?


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Answer #2 · Brent Wilson's Answer · Melissa - I'm in Zone 8 of Georgia. I dug up the Parasol Mandevilla I had planted last year to grow up my mailbox. After digging it up I noticed the roots were still alive. I transplanted it on a fence in my backyard to see if it will emerge. No signs of any top growth yet. Will update here if it emerges. Even if it does, we had a very mild winter this year so it wouldn't be a good indicator as to whether or not this plant is long term hardy in Zone 8. But, like you said, this is a prolific bloomer and, to me, would even be worthy as an annual vine. I'd give it another month to see if it will come back for you.

Brent)



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Answer #1 · John Heider's Answer · Melissa-The Sun Parasol Mandevilla is not resistant to frost. Its hardiness zones are 9-11. Some say it will endure temperatures as low as 20 F, but I wouldn't want to try mine in that cool a temperature. Some in cooler zones will prune their plants back and overwinter indoors and return them outside after the last frost in early spring. I'm hoping your plant is ok, but it is possible any frost may have damaged your plant. It is possible it may sprout out yet. You can scratch a small spot on the stems with your fingernail or knife to see if there is green color under the bark. If it is brown that portion of the stem is dead. Many prune their mandevilla down to within six inches of the ground every few years in order to renew their plant. The mandevilla is fast growing and recovers from heavy pruning quickly.
I would check to see if the stems are stil living and if so you can prune out only the dead growth or down to withing 6 inches of the ground. In a few weeks with this warm weather you should see new growth if it is going to make it.

Many areas have had a lot of rain this year. Make sure your plant is in well drained soil. They like to be moist not wet. They are not tolerant of frost or saturated soils.

Hope this has helped.)



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Answer #3 · Musetta's Answer · I use to live in a warmer zone and had these beautiful plants! It's not uncommon for this plant to die back in the "winter". If your temperatures have been unseasonally cool this time of year, perhaps it just hasn't had the warm kick to come back. If you have not trimmed it down, try doing this and then cover the root area with some good mulch and play the wait game. Like Brent mentioned in his answer, it could take some time. Have you ever fertilized the plant/area? Did you check for spiders or other pests???

I found I had to trellis them and watch the watering. With such a dry climate in the part of Texas I lived, I had a tendency to overwater causing the leaves to turn yellow and drop off on a few before I realized what I was doing to them!)



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