Antigonon

Description

Antigonon, also known as Coral vine or Queen’s wreath, is a genus of flowering plants in the Polygonaceae family. This tropical vine originates from Mexico and Central America, but has now spread to other parts of the world. Antigonon is popular among gardeners due to its showy and abundant pink or white flowers that bloom in clusters during the summer and autumn months. The plant can grow up to 30 feet long, making it ideal for trellises, arbors, or fences.

Taxonomic Information

Appearance

Antigonon has heart-shaped leaves that are 3-6 inches long and 1-4 inches wide. The leaves are green and can sometimes have a slightly bronze hue. The plant produces large clusters of flowers that can be pink or white, depending on the species. The flowers can be up to 1 inch wide and have five petals. Antigonon’s flowers attract bees, butterflies, and hummingbirds. The plant’s stems are woody and can be trained to grow on support structures like trellises or arbors.

Care Guide

Water: Antigonon prefers well-drained soil that is kept evenly moist. Water the plant deeply once or twice a week, depending on the weather.Fertilization: Fertilize Antigonon with a balanced fertilizer once a month during the growing season (spring and summer).Soil: Antigonon prefers well-drained soil that is rich in organic matter. A pH between 6.0 and 7.0 is ideal.Sunlight: Antigonon prefers full sun but can also tolerate partial shade.Hardiness Zones: Antigonon can grow in USDA hardiness zones 8-11.

Common Pests & Diseases

Antigonon can be susceptible to spider mites, mealybugs, and whiteflies. To prevent these pests, keep the plant well-watered and healthy. If pests do appear, treat them with insecticidal soap or neem oil. Antigonon can also be susceptible to fungal diseases like powdery mildew and leaf spot. To prevent these diseases, keep the plant’s foliage dry and remove any infected leaves.

Habitat

Antigonon is native to Mexico and Central America, but has been introduced to other parts of the world, including the United States, where it is considered an invasive species in some states. Antigonon prefers warm, tropical climates and can grow in a variety of soil types.

Question and Answer

Q: Can Antigonon grow in containers?

A: Yes, Antigonon can grow in containers as long as the container is at least 18 inches wide and deep. Make sure the container has drainage holes and use a well-draining potting mix.

Q: How do I prune Antigonon?

A: Prune Antigonon in late winter or early spring before new growth appears. Cut back any dead or damaged stems and remove any crossing or rubbing branches. You can also prune Antigonon to shape it or to control its size.

Q: Can Antigonon tolerate drought?

A: No, Antigonon prefers consistently moist soil and can suffer from drought stress if the soil dries out.

Q: How do I propagate Antigonon?

A: Antigonon can be propagated from stem cuttings or by layering. Take stem cuttings in the spring or early summer and root them in moist soil. To layer Antigonon, bend a stem down to the ground and cover it with soil. The stem will produce roots at the point of contact with the soil, and can then be cut away from the parent plant.

Related Plants

• Polygonum
• Rheum
• Rumex
• Oxyria

References

• https://www.gardeningknowhow.com/ornamental/vines/coral-vine/caring-for-coral-vine.htm
• https://www.gardeningchannel.com/how-to-grow-antigonon-leptopus-coral-vine/
• https://www.thespruce.com/how-to-grow-coral-vine-plants-2132825
• https://www.fs.fed.us/database/feis/plants/vine/antlep/all.html