Funastrum clausum, Sarcostemma clausum

USDA Plant Hardiness Zone Map

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Funastrum clausum, also known as White Milkweed-vine, is a species of evergreen vine native to Florida and parts of the southeastern United States. Growing up to 10 feet in length, with an abundance of oval-shaped, leathery leaves and charming white or off-white flowers, this vine is a great choice for any garden. Its sweetly fragrant flowers are known to attract butterflies and hummingbirds, making it a great addition to butterfly gardens or for those looking for a touch of wildlife in their gardens.

Funastrum clausum grows best in full sun or partial shade, preferring warmer climates. With regular watering and proper fertilization, it will thrive in USDA Zones 8-11, making it an excellent choice for semi-arid regions. As this vine prefers moist soil, regular watering is a must for its optimum growth. Some gardeners prefer dappled shade, especially in warmer climates, to protect the foliage from drying out too quickly.

While this vine can be grown in the ground in warmer climates, it is best grown in containers in colder regions. Containers should be slightly larger than the root ball, filled with well-draining potting soil, and placed in a partially shaded spot. Keep the soil consistently moist but not soggy, and use a liquid fertilizer during the plant's active growing season (spring through early autumn). Despite its preference for warmer climates, Funastrum clausum can survive a few degrees below freezing, so if kept in a pot, it can be kept on patios or decks and brought indoors for winter protection. Also, if kept indoors during winter, be sure to provide bright, indirect light and maintain regular watering and fertilization.

Funastrum clausum is an ideal addition to any garden, bringing life and color to both sunny and shady spots. With its attractive foliage and fragrant flowers, this vine is sure to attract wildlife and become the focal point of any garden.

Similar plants:

• Funastrum elegans, Sarcostemma elegans (Climbing Milkweed)
• Cynanchum viminale, Sarcostemma viminale (Caustic Bush, Rapunzel Plant)