Overview
Wisteria brachybotrys 'Okayama' is a climbing climbing vine in the genus Wisteria, part of the Fabaceae family, with deciduous foliage. Wisteria brachybotrys 'Okayama' grows best in full sun and partial shade, and tolerates well-drained and loamy soils and neutral and slightly acidic pH. Its UK hardiness is rated H4. Suggested uses include trellis, pergola and wall cover. It is native to Japan.
About
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.
Wikipedia contributors, CC BY-SA 4.0 — Wisteria brachybotrys
About the genus
Wisteria is a genus of flowering plants in the legume family, Fabaceae (Leguminosae). The genus includes four species of woody twining vines that are native to China, Japan, Korea, Vietnam, southern Canada, the Eastern United States, and north of Iran. They were later introduced to England, France, Germany and various other countries in Europe.
Wikipedia contributors, "Wisteria", CC BY-SA 4.0 — Wisteria
Growing conditions
Best soil and position for Wisteria
- Sunlight
- Full sun, Partial shade
- Soil type
- Well-drained, Loamy
- Soil pH
- Neutral, Slightly acidic
- Soil moisture
- Moist, Well-drained
- Aspect
- South-facing
- Exposure
- Sheltered
- UK hardiness
- H4
Plant details
Wisteria brachybotrys 'Okayama' size, habit and characteristics
- Plant type
- Climbing vine
- Habit
- Climbing
- Foliage
- Deciduous
- Suggested uses
- Trellis, Pergola, Wall cover
- Native to
- Japan
- Fragrance
- Fragrant
Care notes
Pruning and caring for Wisteria brachybotrys 'Okayama'
- Cultivation
- Prefers sheltered position, avoid late frosts, supports heavy pruning
- Pruning
- Prune in summer and winter to control growth and encourage flowering
- Propagation
- Softwood cuttings, Layering, Grafting
- Pest resistance
- Aphids, Glasshouse red spider mite, Scale insects
- Disease resistance
- Honey fungus, Phytophthora root rot, Coral spot, Fungal leaf spot, Virus diseases, Powdery mildews
Frequently asked questions
How do I grow Wisteria brachybotrys 'Okayama'?
Prefers sheltered position, avoid late frosts, supports heavy pruning.
Where is the best place to plant Wisteria brachybotrys 'Okayama'?
Wisteria brachybotrys 'Okayama' prefers full sun and partial shade. It suits sheltered positions.
What soil does Wisteria brachybotrys 'Okayama' need?
Wisteria brachybotrys 'Okayama' grows best in well-drained and loamy soil. It prefers neutral and slightly acidic soil. Aim for soil that stays moist to well-drained.
How do I prune Wisteria brachybotrys 'Okayama'?
Prune in summer and winter to control growth and encourage flowering.
Is Wisteria brachybotrys 'Okayama' hardy in the UK?
Wisteria brachybotrys 'Okayama' has an RHS hardiness rating of H4, meaning it is hardy through an average UK winter, tolerating -10 to -5°C.
How do I propagate Wisteria brachybotrys 'Okayama'?
Softwood cuttings, Layering, Grafting.
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