How to Propagate Trumpet Creeper

by Alexis Rohlin
Trumpet creeper vine has bright red flowers that grow in clusters of four or eight.

Trumpet creeper vine has bright red flowers that grow in clusters of four or eight.

Hemera Technologies/ Images

Trumpet creeper tubular-shaped flowers attract butterflies and hummingbirds, and provide a habitat for ants. Trumpet creeper is used in landscaping and flower gardens. It is a deciduous or partly evergreen climbing vine with aerial rootlets and twining stems. It can grow to be up to 40 feet tall with shiny, dark green leaves and bright red or orange flowers. Trumpet creeper flowers bloom from July to late August and will produce a flat tapered cigar-shaped capsule fruit that contains flat "winged" seeds. Propagate your trumpet creeper vine with cuttings or seeds.

Items you will need

  • Seed planter
  • Sand
  • Plant snips or cutters
  • Vase
  • Planter pot, 2 gallon
  • Horticulture sand
  • Compost
  • Plastic bag
  • Small hand trowel

Seed Propagation

Step 1

Prepare the trumpet creeper root seeds for germination by placing them in cool temperatures two months before planting in early July. Place a layer sand into the bottom of a seed planter. A seed planter is a tray with a clear plastic lid that is used to sprout seeds or, in the case of the trumpet creeper vine seeds, to condition them so that they harden prior to planting. Hardening the seeds by placing them in the proper temperature and humidity ensures that they survive the winter and will sprout the following spring. Cover the sand in the bottom of the seed planter with a layer of seeds. Cover the seeds with wet sand and put on the seed planter lid. Hold the seeds in wet sand for 60 days in a room that is 40 degrees Fahrenheit with 30 percent humidity.

Step 2

Plant the seeds in September during early fall in an area where they will get full sun near a fence, pole, or trellis as it is a climbing plant. Don't plant them near structures that are painted, as the aerial roots produce a sticky substance that adheres to surfaces and can ruin paint. The seeds need to harden over the winter months and grow shoots that will root out during the next spring. The trumpet vine seeds will grow the following spring.

Step 3

Water the trumpet vine during the first spring growth. Give it enough water to keep the top 1-inch layer of soil moist. The seedlings will appear in early spring, and will need trimming back and thinning every month to promote root growth and prevent the vines from growing together and entangling. Cut the plants back in the late fall to stop the plant from aggressively spreading through your yard.

Step 4

Harvest seedpods from the trumpet vine. Seedpods or the fruit of the plant will form after the flower petals have fallen off. Wait for the seedpods to dry and turn brown. Break the pods apart with your hands and collect the "winged" seeds.

Step 5

Begin the next trumpet creeper vine propagation cycle in July. Harden the seeds in the seed planter for 60 days by covering them with wet sand and holding them in the same temperature and humidity as before. Plant the hardened trumpet creeper vine seeds in early September to continue propagating your trumpet creeper vine.

Cutting Propagation

Step 1

Cut off stems of trumpet creeper vine that have at least four sets of leaves in the early morning hours, around 6 a.m. or just after sunrise. Cut 4 inches to 6 inches down from the top or tip of the vine's lateral stems. Cut the stems in half.

Step 2

Plant the trumpet creeper vine in a 2-gallon pot that is filled with a mix of horticulture sand and compost. Water the plant daily, to a soil depth of 6 inches. Bury the bottom half of the plant cuttings into the soil. Position the plants 2 inches apart in the pot. Cover the pot with a plastic bag to create a high humidity atmosphere for the plants. Place the pot in an area that is 50 degrees Fahrenheit to 72 degrees Fahrenheit. Water every two days to ensure that the soil does not dry out.

Step 3

Plant the trumpet vine cuttings in your yard the following spring after the last frost. Dig a hole that is deep enough to hold the roots with a small hand trowel and insert the stems, root first, into the holes. Fill the holes in and water the plants. Water the trumpet creeper vine every day for a week to ensure that its roots grow enough for it to uptake water and nutrients from the soil.

Tips & Warnings

  • Trumpet creeper vine grows aggressively and will need trimming throughout the growing season to ensure that it does not take over your yard.
  • Handle trumpet creeper vine with care if you have sensitive skin as it can cause mild skin irritation in some people.

Photo Credits

  • Hemera Technologies/ Images