 Mandevilla - 2 Questions and Replies Dear Stan; How can I overwinter a Mandeville Vine? Liz ( Liz - Your mandevilla is from Brazil and is an evergreen climber. Bright light with moderate humidity and temps. of 70 to 80f. Keep it on the trellis and repot if needed into a 12 to 15 inch pot using a soilless mix of peat, perlite and vermiculite. If you have good garden soil.. use to equal one quarter of the volume. Fertilize with triple twenty every five or six times you water. Cuttings can be taken as you would for geraniums about the first of March. All the best. Stan - Do you have any suggestions for over-wintering of a mandivillia vine. I bring it inside in the fall and it is always covered in aphids within a short time. Always on the new growth. I have tried showering, washing with soap and Doktor Doom. They all work for a short time only. It is a struggle to keep it alive till Spring. Once I can get it outside it does very well. Could I cut it right back and put it in the basement till March, would that make a difference? Help, Sandra -Mandevilla, aka Dipladenia, is a tropical evergreen climber. We have to come close to the seasonal conditions needed to maintain the plant. Moderate to high humidity, diffused sun light, and constant room temps. There will be some leaf drop as this is natural when relocating plants from out to in. Use fertilizer sparingly, keep the plant soil mix moist but not wet. You can cut some of the vine back to stall the growth, which will begin again sometime in Dec/ Jan. The pesticides on the market are adulticides, and do little to suppress or control generations of eggs that hatch at will or when conditions dictate. Try coating hard yellow and blue poster card with Vaseline or Tanglefoot. The cards should be 3 by 5 inches and suspended amongst the plant leaves so insects can be easily attracted to the traps. If you were to purchase this pesticide control, they come in a pac and are called Sticky Strips. Good luck  |
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