Mandevilla Plant Not Blooming. You can situate your potted plant outdoors until temperatures dip below 60 degrees. 02072021 Unlike many flowering plants mandevilla species can tolerate some dryness and continue to flower.
Dipladenia prefer bright but indirect sun. Moved plant to slightly less sunny area and it has come back very healthy looking with lots of new growth. 30062020 Getting a Mandevilla Plant to Bloom.
During this time youll need to grow it like a house plant.
If your plants foliage looks nice and it is growing quickly there are only a few things that will keep it from blooming or blooming very little. Dipladenia is perennial rated for USDA plant hardiness zones 9-11. It will not bloom during this time. The Mandevilla vine are not cold sturdy and can not tolerate temperature levels lower than about 45 degrees Fahrenheit for an extended period.