Silky wisteria Plant Care
Wisteria brachybotrys Siebold & Zucc.
Updated · Sources · How we source care data
Wisteria brachybotrys, the silky wisteria, is a species of flowering plant in the pea family Fabaceae from Japan. Some older references believed it to be of garden origin.
Every 7–14 days
Full sun to partial shade
40–90°F
40–70%
At a glance
How do you care for Silky wisteria?
Water Silky wisteria every 7–14 days, letting the top layer of soil dry out between waterings, and give it full sun to partial shade. It prefers temperatures of 40–90°F (4–32°C) and 40–70% 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 Silky wisteria?
Silky wisteria (Wisteria brachybotrys) belongs to the Fabaceae family within the Wisteria genus. Silky wisteria is native to western parts of Honshu and throughout Shikoku and Kyushu, growing in mountain forests and woods from 100 to 900m. Silky wisteria is also known as Japanese wisteria.
Silky wisteria displays a vigorous, climbing vine growth habit, reaching up to 30 ft tall with a spread of approximately 8 ft. Silky wisteria produces showy cascading clusters of pea-like flowers in shades of purple, blue, pink, or white.
Leaf size: approximately 4 inches.
How Often Should You Water a Silky wisteria?
Wisteria brachybotrys requires watering every 7–14 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 7–14 days
Let soil partially dry between waterings
What Light Does the Silky wisteria Need?
Silky wisteria thrives in full sun to partial shade.
Light Requirement
Full sun to partial shade
What Temperature and Humidity Does the Silky wisteria Prefer?
Wisteria brachybotrys grows best at temperatures of 40–90°F. Silky wisteria prefers humidity levels of 40–70%.
Temperature
40–90°F
Humidity
40–70%
What Soil Mix Works Best for a Silky wisteria?
Rich, well-draining soil with plenty of organic matter. Good drainage is essential for Silky wisteria to prevent waterlogging, which leads to root rot and fungal issues.
How Often Should You Fertilize a Silky wisteria?
Feed Silky wisteria 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 Silky wisteria?
Repot every 2-3 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 Silky wisteria?
Silky wisteria can be propagated through softwood cuttings, layering, grafting. Similar propagation techniques also apply to japanese wisteria plant care, which shares the same genus.
Is the Silky wisteria Toxic to Pets and Children?
Toxic (caution)
Reported as toxic in our plant data. Not verified by the ASPCA.
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 Silky wisteria?
Silky wisteria is susceptible to aphids, scale insects, caterpillars. 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 Silky wisteria Need?
Silky wisteria grows outdoors in USDA Zone 11a. It survives winters down to planting zone 11a. Silky wisteria is native to western parts of Honshu and throughout Shikoku and Kyushu, growing in mountain forests and woods from 100 to 900m. In cooler regions, grow Silky wisteria as a houseplant or bring it indoors before the first frost.
Hardiness Zone
Zone 11a
Keep exploring plants
Silky wisteria 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 Wisteria genus — compare its care with other Wisteria species on PlantoScan.
Wisteria is part of the Fabaceae plant family — browse all Fabaceae genera and species.
Silky wisteria thrives in bright light and direct sun — see other bright-light plants.
Related Plant Care Guides
Closely related plants with similar care requirements:
Sources
- Scientific name & taxonomy: Wisteria brachybotrys Siebold & Zucc., family Fabaceae — World Flora Online record.
- Pet toxicity: Silky wisteria 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 11a, 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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