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Growing Mandevilla Vine

Updated July 20, 2017

Mandevilla (Mandevilla splendens) vine is a tropical plant. It grows as an annual in Northern climates but can grow outside in the most southern parts of the United States. It makes a stunning container plant, growing 10 feet up a trellis, on your patio. Mandevilla vine blooms from early summer until late summer. Its trumpet-shaped blooms come in shades of white, pink and red. Mandevilla provides colour to your patio and attracts hummingbirds.

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  1. Choose a container 24 inches wide and 36 inches tall for your mandevilla vine. It needs a container that will hold its growing roots. Place a small screen or a broken piece of terra cotta over the hole in the bottom to keep the dirt from plugging it up.

  2. Put about 2 inches of sand in bottom of pot. Add 3 inches of potting soil. Mix a slow-release container fertiliser with the potting soil. The fertiliser can be found at a local nursery or flower shop. Follow directions on the label.

  3. Place the mandevilla plant in the pot and fill with soil. Press soil down around the plant and water. Let soil settle and finish filling the container. Put trellis in pot to give the fast-growing vine support. Place container in the sun

  4. Bring mandevilla vine inside before the first frost and overwinter in a cool spot in your cellar, basement or garage. Prune plant back to 6 to 8 inches above the soil. Water the mandevilla vine sparingly in winter.

  5. Return mandevilla vine to the outside when the weather warms up and all chances of frost has passed. Fertilise with a liquid fertiliser.

  6. Tip

    Fertilise the mandevilla vine weekly during growing season. The mandevilla will lose its leaves when you bring it into the house. The plant will be semi-dormant at 7.22 to 10 degrees Celsius. Do not let mandevilla plant freeze.

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Things You'll Need

  • Mandevilla vine
  • Large pot
  • Potting soil
  • Fertiliser

About the Author

Addie Protivnak is at home in Coden, Ala., and has written internet how-to articles since 2008. Protivnak has published in the Master Gardener “Dirt” as well as the “Alabama Garden Pathways." She attended Faulkner State College where her course base was writing , literature and art.

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