Allamanda Plants: Cheerful Tropical Blooms

Tropical Allamanda Plants Provide Bright, Cheerful Blooms Amidst the Summer Heat and Humidity

Originally from Central and South America, Allamanda vines and bushes are now very prevalent throughout the tropics, and Thailand is no exception. These plants provide bright, cheerful yellow blooms year-round amidst the tropical heat and humidity, especially during the rainy monsoon season of May-October.

Tropical yellow Allamandas blooming profusely in my Bangkok garden during the wet monsoon (rainy) season.

I’ve been growing these cheerful Allamanda plants in my garden in Bangkok, Thailand, for over a decade, and they’ve been blooming profusely year-round, year after year. Allamandas have leathery, dark-green, shiny leaves that are as attractive as their blooms. Flowers also come in other colorful shades apart from yellow, ranging from orange to pink.

Creeping Allamandas on my front garden wall (Bangkok, Thailand). Allamanda vines can grow to be 15 ft long, but the plants can also be pruned to form attractive hedges or bushes.

Though many Allamandas grow as vines which can reach up to 15 ft long, they can be easily pruned into bushes and hedges.  In my experience, pruning helps to reinvigorate new growth and flowers.  These cheerful plants are great when pruned into bushes and hedges, or they can be allowed to grow and cover walls or larger trees with their bright blooms.

These Allamanda vines have been pruned into an attractive bush. Allamandas are very long-lasting perennials, and will bloom in your garden year after year, for decades!

As tropical plants, Allamandas love full sun, prefer moist soil, and thrive in heat and humidity. In Thailand growth is fastest & flowering most vigorous during the wet monsoon season (May-October), but they do bloom year-round. In warm tropical regions, Allamandas can be planted directly in the garden in a sunny spot with moist soil. They love water and even grow wild in the tropics beside streams and near ponds.

A tall allamanda bush blooming in my tropical garden in Bangkok, Thailand. Actually, it keeps blooming almost year-round with a good supply of water and nutrients.

In colder temperate climates, Allamandas can be grown in large pots and kept indoors during the winter, during which watering should be reduced due to slower growth. As tropical plants, Allamandas are highly sensitive to frost and must be shielded from the cold.

If planted directly in a tropical garden, grown Allamandas dislike being moved or transplanted, so make sure you’re planting these bright tropical perennials in a great spot where you can enjoy their blooms in the long haul, year after year.

Allamanda vines can grow to be very dense and long, if not pruned. Here, the allamanda vines form dense canopy of green over my garden wall, punctuated by cheerful yellow blooms.

Please check out the following websites for additional information on Allamandas:

Happy gardening, wherever your garden may be!

Lat (Ratasit C.)


About Lat (Ratasit C.)

Greetings! I'm a world traveler, a food connoisseur, an avid gardener who loves gardening, and an enthusiast in the Buddhist dharma of mindfulness, wisdom, and peace. Find me on Twitter at or also visit my Travel and Food Blog at and join my culinary journey. Also visit for a glimpse of my spiritual journey. Welcome!
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One Response to Allamanda Plants: Cheerful Tropical Blooms

  1. Pingback: Bangkok Gardening: Flowers That Thrive During Thailand’s Hot Dry Season | Lat's Gardening Blog

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