How To Winterize Mandevillas

Winterizing Mandevilla Indoors

How To Winterize Mandevillas-a-pink-mandevilla-plant
A Pink Mandevilla Plant

During the spring and summer months Mandevillas puts on a beautiful display of flower blooms, this tropical to sub-tropical garden beauty is a warm-season plant that’s native to Central and South America.

Mandevilla produces green glossy leaves, the trumpet-shaped flowers come in an array of colors from white, yellow, and shades of pink, for example, bold hot pink, soft, cotton-candy pink and bright pink, bright red, and apricot varieties, etc…

If you’re growing a wildlife garden then this plant is the perfect fit for attracting bees, hummingbirds, and butterflies, what also makes the Mandevilla a must-have is the pleasing fragrance that’s produces.

Because Mandeville is a warm-season plant the winter months may produce some challenges however in this guide we will be taking a closer look at how to winterize your Mandevillas to continue to grow healthy during this time of the year.

Winterizing Mandevillas as a Houseplant

Mandevillas will not tolerate freezing cold weather so it’s best to overwinter them indoors until the warmer months arrive, before the temperatures drop below 60 degrees F.(15 C.). Make sure that your Mandevillas well watered also.

You may want to groom your plant a bit by trimming if it’s overgrown to control the upward and outward growth, inspect the plant for insects, and treat it with insecticidal soap, horticultural oil, or neem oil. Common insect pests of Mandevillas are aphids, scales, whiteflies, and red spider mites, allow the pesticide to dry from the plant’s leaves before bringing indoors.

Once your container-grown mandevilla is brought indoors locate an area that gets the most sunlight light, a South or West facing window is the best location, although plants use less (water)  moisture during the winter months it’s important to ensure that your Mandevilla has sufficient water or the leaves will turn yellow followed by browning of the leaves and then leave drop.

The soil should be somewhat moist or damp to the touch, use your finger and check the top few inches of soil, 1-3 inches. A soil probe or soil moisture is the ideal tool that will give accurate readings.

Because of the winter months, there is no need for fertilizer applications, because during this time of the year is a plant’s dormant period or when a plant slows down from growing. This time is for your plant to rest, don’t try to force your Mandevilla to put out new growth or even to flowers, remember this is the time of the year for your Mandevilla to take a break. The ideal time to make a fertilizer application is during the spring months when the days are long.

How to Return Your Potted Mandevilla Outdoors After Overwintering

Once the warmer months return it’s time to return your potted mandevilla outdoors but before returning your mandevilla outdoors look for signs of early spring growth which is a clear indication that your Mandevilla is breaking dormancy. However, don’t move your Mandevilla outdoors until temperatures are consistently above 60 degrees F. (15 C.)

During the spring and summer months fertilize your Mandevilla every 2 weeks with triple 20 (20-20-20) or triple 10 (10-10-10), before applying fertilizers read and follow the manufacturer’s directions for the best result.

Some Ideas to Install Mandevillas During the Spring and the Summer Months

Because Mandevillas put on a beautiful display of flower bloom during the spring and the summer months here are a few ideas on where to install them.

  • Mandevillas can be grown as potted or container plants and can be placed at your home’s main entrance
  • Place containers on your porch, patio, deck, or around the area of your pool
  • Brighten up your indoor living space with these garden beauties
  • Plant Mandevillas near a chain-linked fence and watch them as they grow (Mandevillas grows like a vine)
  • Because Mandevillas are climbing vines growing them near a gazebo is pretty cool
  • Growing Mandevillas near a picket fence will look amazing
  • A hanging basket of Mandevillas looks absolutely fabulous
  • Plant a Mandevilla next to a tree and watch it climb (because Mandevillias are sun-loving plants ensure when installing that sufficient light is provided)

Additional information

  • When growing Mandevillas as a potted plant it is best to include a trellis for support and to control the growth direction.
  • Before using insecticides read and follow the manufacturer’s directions for the best results

In Case You Missed it here are other Articles on the Mandevilla Plant

The final word on how to winterize Mandevillas

Mandevillas are beautiful flowering plants that will produce an abundance of beautiful flower blooms once cared for correctly, these garden beauties promise to give a taste of the tropics with their colors that come in different shades. Take advantage of these spring and summer beauties by including them in your gardens and landscapes you will be happy with the results as they go to work for you by putting on a display that’s just simply breathtaking.


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About the author

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Norman loves being in the garden, both at home and for his job....
he is 'Natures Little helper' being outdoors, growing his vegetables and flowers from an early age.
Now having spent over 22 years in the profession he want to give some of his knowledge to others...
his vast array of hints and tips you will find scattered over this site will help you no end growing plants in your garden.