Viewing post #1314228 by needrain

Deebie said:Donald, do you overwinter your mandevilla 'Alice Dupont' in the ground? I did so successfully last year here in zone 8a. But have yet to cut it back this year or to mulch it, as it's still blooming. But we might get frost this week, so I'd better get that done tomorrow. As for my dipladenias, they come indoors or stay dormant in the garage over the winter. I nearly lost mine last year, as I don't think it liked being kept dormant in the garage. So, I'm bringing all dipladenias inside.

I really don't know whether my plants are Mandevilla or Dipladenias. They were sold as Mandevillas without a cultivar name. The two I'm growing are similar, but not the same. The one I've had the longest is grown as a hanging basket plant and has been overwintered on a closed in, unheated porch with a glass front facing east. I've moved it in and out during the winter and as a result it got severely frostbitten a couple of times last year. At least once it was subjected to temperatures down to the mid 20s F (the weather folks just don't always get right in my location ). It was damaged, but survived. Since it's the one with the pod, it can be treated the same as usual. The newer one I acquired as a Mandevilla is growing on a trellis. When a freeze is predicted, it will need to be cut loose from the trellis. I plan to see if I can just overwinter it in the garage.