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Purple is a fascinating color! It exudes mystical, sensual energy, yet signifies power, wisdom, and creativity. Artistically, it’s the combination of the two primary colors red and blue. Depending on how much red or blue is in the mixing, there’s an infinite number of purple shades: lilac, mauve, amethyst, violet, lavender, etc.
Gardeners also have an astounding array of purple flowers to choose from for planting. Roses, tulips, irises, pansies, wisteria, and hydrangea are some garden plants that are well-known (and beloved!) for their purple variation.
When it comes to tropical flowers, however, purple is somewhat a scarcity! Most tropical plants produce flowers in red, pink, yellow, or even white, but rarely in purple. Nevertheless, there are a few extraordinary purple tropical flowers that you can plant in your garden. These purple beauties are not only unique but also stunning to look at!
The photos in this article were taken at the author's and other private gardens located in the lower Puna district on the Big Island of Hawaii (USDA plant hardiness zone 12b).
Of all the tropical plants in the world, orchid takes the lead for having the most numerous purple varieties. Dendrobium, Phalaenopsis, and Cattleya orchids are known to have beautiful, long-lasting purple blooms.
For bedding or groundcover planting, vinca and wishbone flower are the best choices. They look fantastic when planted together, creating a spectacular carpet of contrasting pale violet and dark purple.
For trellis and fences, sandpaper vine is a must! In the summer, it blooms profusely and covers the whole trellis/fence with clusters of dainty lavender color flowers. Another excellent choice is the purple passionflower vine with its heavenly scented blossoms! But beware, like most passionflower vines, it is a prolific climber and will quickly take over anything it can reach, including nearby trees, rooftops, power poles, etc.
For hedges, the Yesterday-Today-Tomorrow is an attractive shrub. Its name is inspired by the flower’s life-cycle colors. When it first blooms, the flowers are bluish purple, then gradually change to various shades of violet, then becoming pure white before falling off the branches.
Bougainvillea and hibiscus are other tropical plants ideal for creating a "green" privacy fence or border (as seen in many gardens in Hawaii). Hibiscus has dozens of cultivars that produce large, showy purple flowers, blending with other exotic hues on their petals.
For the patio or terrace, bromeliad, ti, anthurium, and coleus can be planted in pots or containers. Many of these typical tropical plants have striking leaf patterns and pretty flowers in light to deep violet colors.
For the water garden or fish pond, hardy waterlily comes in many different purple hybrids. Water hyacinths are also a great choice, as they are known for their delicate pale lavender flowers that resemble irises. These aquatic plants are easy to care for and can live happily in just a large pot filled with water!
All photos were taken by the author with an Olympus Stylus TG-630 iHS digital camera and an iPhone 6.
© 2019 Viet Doan
Miebakagh Fiberesima from Port Harcourt, Rivers State, NIGERIA. on April 21, 2019:
Hello, Viet, actually. But these can not equate the natural organic scents. I am also afraid I'll get cancer of the nostrils by smelling these chemicals! Lol! And enjoy the week.
Viet Doan (author) from Big Island, Hawaii on April 20, 2019:
Aloha Elayne and Miebakagh! So glad you're enchanted by the purple tropical flowers. Wish you could smell the incredible fragrant on some of them! May be one day in the future, with advanced technology, we can actually "smell" flowers on our computer screen!
Elayne from Rocky Mountains on April 20, 2019:
My favorite color! Love the purple hibiscus! Very beautiful pictures and great article.
Miebakagh Fiberesima from Port Harcourt, Rivers State, NIGERIA. on April 20, 2019:
Hello, Viet, with such beautiful pictures, thanks for sharing a lovely informative article. Enjoy the week.
Viet Doan (author) from Big Island, Hawaii on April 19, 2019:
Always good to hear from you Liz! Oh yes, Provence's lavender fields come to my mind too! But I also dream about the purple flowers in your neck of the woods like allium, larkspur, delphinium, aster. I imagine those are a must in any UK cottage garden. Happy spring!
Liz Westwood from UK on April 19, 2019:
This is a beautifully illustrated article. You are very fortunate in living in a climate where these flowers flourish. Purple for me brings to mind fields of lavender in Provence.