Climbing milkweed Plant Care
Vincetoxicum adnatum (Bakh.f.) Meve & Liede
Updated · Sources · How we source care data
Vincetoxicum adnatum is a unique climbing plant with glossy dark green leaves and small clusters of white flowers. Originating from China, it thrives in rocky areas and is popular among plant enthusiasts for its ability to attract butterflies and other pollinators to the garden.
Every 7–10 days
Bright indirect to partial shade
60–80°F
40–60%
At a glance
How do you care for Climbing milkweed?
Water Climbing milkweed every 7–10 days, letting the top layer of soil dry out between waterings, and give it bright indirect to partial shade. It prefers temperatures of 60–80°F (16–27°C) and 40–60% humidity. Fertilize it every 6 months during the growing season. It is reported as toxic to pets, so keep it out of reach of pets.
What Is the Climbing milkweed?
Climbing milkweed (Vincetoxicum adnatum) belongs to the Apocynaceae family within the Vincetoxicum genus. Climbing milkweed is native to China, Japan. Climbing milkweed is also known as Chinese swallowwort.
Climbing milkweed displays a vining, twining habit growth habit, reaching up to 2 ft tall with a spread of approximately 1.5 ft. Climbing milkweed produces small, star-shaped white flowers in clusters.
Leaf size: approximately 3 inches.
How Often Should You Water a Climbing milkweed?
Vincetoxicum adnatum requires watering every 7–10 days. Allow the top layer of soil to dry between waterings to prevent root rot. Reduce watering frequency during winter when growth slows.
Watering Frequency
Every 7–10 days
Let soil partially dry between waterings
What Light Does the Climbing milkweed Need?
Climbing milkweed thrives in bright indirect to partial shade. Avoid placing Climbing milkweed in direct, harsh sunlight for extended periods, as this can scorch the foliage.
Light Requirement
Bright indirect to partial shade
What Temperature and Humidity Does the Climbing milkweed Prefer?
Vincetoxicum adnatum grows best at temperatures of 60–80°F. Climbing milkweed prefers humidity levels of 40–60%.
Temperature
60–80°F
Humidity
40–60%
What Soil Mix Works Best for a Climbing milkweed?
Well-draining loamy soil mix with added perlite for improved drainage. Good drainage is essential for Climbing milkweed to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Climbing milkweed?
Feed Climbing milkweed every 6 months during the growing season (spring and summer) with a balanced fertilizer diluted to the strength on the label.
Pause feeding in autumn and winter, when growth slows, and never fertilize dry soil — water first.
Fertilizing
Every 6 months
During the growing season
The PlantoScan app can remind you when to water and when to fertilize each plant.
How Do You Repot a Climbing milkweed?
Repot every 1-2 years in early spring. Choose a pot one size larger than the current container, and ensure it has drainage holes to allow excess water to escape.
How Do You Propagate a Climbing milkweed?
Climbing milkweed can be propagated through seeds, division of rhizomes. Similar propagation techniques also apply to white swallow-wort plant care, which shares the same genus.
Is the Climbing milkweed Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
Toxic to humans and pets if ingested
This is a general caution, not veterinary or medical advice. If your pet ate a plant, contact your vet or animal poison control.
See all plants toxic to cats and plants toxic to dogs.
What Pests and Diseases Affect the Climbing milkweed?
Climbing milkweed is susceptible to aphids, spider mites, mealybugs. Inspect the foliage regularly, especially along leaf undersides and stems. Treat infestations promptly with insecticidal soap or neem oil to prevent spread.
Yellow leaves, brown tips or drooping? See common plant problems and how to fix them.
What USDA Hardiness Zone Does the Climbing milkweed Need?
Climbing milkweed grows outdoors in USDA Zone 13a. It survives winters down to planting zone 13a. Climbing milkweed is native to China, Japan. In cooler regions, grow Climbing milkweed as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 13a
Keep exploring plants
Climbing milkweed is one of many species covered in the complete plant care and identification guide, which groups plants by genus, attribute, and popularity.
It belongs to the Vincetoxicum genus — compare its care with other Vincetoxicum species on PlantoScan.
Vincetoxicum is part of the Apocynaceae plant family — browse all Apocynaceae genera and species.
Climbing milkweed thrives in bright light and direct sun — see other bright-light plants.
More Vincetoxicum Species
Other Vincetoxicum species in PlantoScan's care catalogue share similar watering, light, and soil preferences:
Sources
- Scientific name & taxonomy: Vincetoxicum adnatum (Bakh.f.) Meve & Liede, family Apocynaceae (first published in Phytotaxa 369(3): 132. 2018 [18 Sep 2018] [epublished]) — World Flora Online record, IPNI name record.
- Pet toxicity: Climbing milkweed is reported as toxic to pets in our plant data (not verified by the ASPCA), so treat it with caution. Checked against the ASPCA plant list; any other toxicity note on this page comes from PlantoScan's plant database.
- Hardiness zone: USDA Zone 13a, calculated from the plant's minimum temperature.
- Care values(watering, light, temperature, humidity, soil, fertilizing): PlantoScan's plant database, filtered by automatic plausibility checks — values that fail them are hidden. How we source and check plant data.
Spotted a mistake? Email info@upvision.media with the page link — we check and correct reported errors.
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