Wisteria frutescens subsp. macrostachya 'Blue Moon'
American wisteria 'Blue Moon'
A vigorous twining climber about 6-8m tall, with smooth, shiny dark green leaves composed of leaflets, and lightly scented, dense flower racemes, composed of blue-mauve flower petals, with white centres and greenish-yellow eyes, produced during summer, followed by shiny brown seed heads
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Size
Ultimate height
4–8 metresTime to ultimate height
10–20 yearsUltimate spread
4–8 metresGrowing conditions
Moisture
Moist but well–drainedpH
Acid, Alkaline, NeutralColour & scent
Stem | Flower | Foliage | Fruit | |
Spring | Green | |||
---|---|---|---|---|
Summer | Blue Purple White | Green | ||
Autumn | Yellow | Brown | ||
Winter |
Position
- Full sun
- Partial shade
Aspect
East–facing or South–facing or West–facing
Exposure
Sheltered Hardiness
H5Botanical details
- Family
- Fabaceae
- Native to GB / Ireland
- No
- Foliage
- Deciduous
- Habit
- Climbing
- Potentially harmful
- Harmful if eaten. Wear gloves and other protective equipment when handling. Pets: Harmful if eaten - for further information and contact numbers regarding pets, see the HTA guide to potentially harmful plants
- Genus
Wisteria are vigorous woody climbers with twining stems bearing pinnate leaves and long pendulous racemes of fragrant pea-like flowers in spring and early summer
- Name status
Accepted
How to grow
Cultivation
Can be grown informally through large tree or trained against a house wall. Will grow in most soils that are moist but well-drained in sun or part shade. See wisteria cultivation for more advice
Propagation
Propagate by layering in spring, softwood cuttings from late spring to early summer, hardwood cuttings in winter, root cuttings in late winter or grafting in late winter
Suggested planting locations and garden types
- City and courtyard gardens
- Coastal
- Cottage and informal garden
- Climber and wall shrubs
- Wall side borders
Pruning
Prune twice a year for best results, see pruning wisteria for detailed advice
Pests
May be susceptible to aphids, glasshouse red spider mite, and scale insects including wisteria scale
Diseases
May be susceptible to honey fungus (rarely), phytophthora root rot, coral spot, fungal leaf spot, virus diseases, and powdery mildews
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