It is a deciduous vine suitable for more temperate climates. Mandevilla Laxa dislikes very hot walls. It grows to 20ft or about 6m. In the UK as well as colder climates it should be grown in a greenhouse to protect it from frost. The flowers are fragrant. It flowers late spring to early fall.
How to grow Mandevilla Laxa:
Grow Mandevilla Laxa in full sun but provide them with some shade. Plant it in sandy well-draining soil and add a lot of organic material. Mix peat moss and sand with your potting soil. You don’t want to use too much sand, perhaps 2 part peat moss, and 2 for soil to only 1 part for sand. Use some sort of support for this vine. Water it regularly but don’t overdo it.
Mandevilla Laxa attracts bees, butterflies, and birds. It is drought and heat tolerant. In spring cut any dead flowers and in autumn in frosty climates move them inside and trim them back to get ready for the next year. In more temperate climates you can grow it outside. Propagate Mandevilla Laxa from seeds or woody stem cuttings.