How to Grow Wisteria Blue Moon

Wisteria Blue Moon

Wisteria sinensis 'Blue Moon'

vine

Wisteria Blue Moon is a deciduous flowering vine known for its stunning clusters of fragrant, deep blue-purple flowers that bloom profusely in spring. This vigorous cultivar is a selection of Chinese wisteria, valued for its reliably heavy flowering and ornamental foliage. It's an excellent choice for arbors, pergolas, and fences where its cascading blooms can be displayed.

Growing Conditions

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Sun: Full sun, 6-8 hours daily for best flowering

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Water: Regular watering during establishment (first 1-2 years) and during dry spells. Once established, moderately drought-tolerant. Avoid waterlogged conditions.

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Spacing: 60 inches

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Days to maturity: 2-3 years to significant flowering, 5-7 years for full maturity

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Planting depth: Same depth as container; plant at or slightly above soil line

Soil

Type: Well-draining loamy soil, moderately fertile

pH: 6.0-7.5

Amendments:

compost aged manure perlite for drainage

Growing Zones

Find your zone →

Thrives in zones 5-9, with best performance in zones 6-8

5a 5b 6a 6b 7a 7b 8a 8b 9a 9b

Growth Stages

Establishment

First year

Young vine with limited branching and leaf development. Plant appears relatively dormant and modest in size.

Keep consistently moist but not waterlogged. Provide sturdy support structure. Fertilize lightly in spring with balanced fertilizer. Do not prune heavily.

Vegetative Growth

Year 2-3

Rapid stem elongation and dense foliage development. Vine becomes woody and establishes main framework on support structure.

Train vines along support structure by tying stems loosely. Water regularly during growing season. Apply mulch around base. Begin light pruning to shape if needed.

Pre-Flowering

Year 3-4

Vine is well-established with extensive woody growth and dense compound leaves. Flower buds form in late summer on previous year's growth.

Reduce nitrogen fertilizer to encourage flowering rather than vegetative growth. Prune lightly in summer after flowering to maintain shape. Ensure good air circulation.

Flowering

3-4 weeks in spring

Spectacular cascading clusters of fragrant, deep blue-purple flowers appear from axils along mature wood. Blooms emerge in spring before or as leaves emerge.

Do not prune immediately before flowering. Enjoy the blooms; minimal intervention needed. Water during bloom if dry weather occurs. Can deadhead spent flowers to encourage tidiness.

Post-Flowering & Maintenance

Summer through fall

Flowers fade and are replaced by compound green foliage. Vine continues steady growth. Occasionally produces secondary blooms in summer.

Prune to control size and shape after main bloom fades. Remove any crossing or damaged wood. Continue regular watering. Apply balanced or low-nitrogen fertilizer if needed.

Companion Planting

Plan your garden →

Plant with:

clematis climbing hydrangea ornamental grasses lavender rosemary catmint

Avoid planting near:

tree roots that compete for moisture delicate understory plants structures needing regular access

Common Pests

Spray with strong water stream; use insecticidal soap or neem oil for severe infestations
Hand-pick early morning or use traps; apply neem oil or pyrethrin-based insecticides
Prune heavily infested stems; spray dormant oil in late winter; use horticultural oil during growing season
Increase humidity; spray with water; use miticide or neem oil if severe

Uses

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Garden Ornamental & Landscape Feature

Household

Wisteria Blue Moon is prized as a spectacular spring-blooming ornamental vine for creating living screens, covering arbors, pergolas, and fences. Its dense foliage provides summer privacy and shade while the fragrant purple flower cascades create a dramatic focal point. [source]

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Cut Flower Arrangements

Craft

The pendant flower clusters make stunning fresh-cut flower arrangements for vases and can last several days indoors. Florists value wisteria for its unique form and sweet fragrance in wedding and spring floral designs. [source]

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Fragrance Source

Household

Wisteria produces a sweet, honey-like fragrance that perfumes the surrounding garden area during its spring bloom period. The scent attracts pollinators and adds a sensory dimension to outdoor spaces. [source]

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Pollinator Support

Wildlife

The abundant nectar-rich flowers attract bees, butterflies, hummingbirds, and other pollinators during spring bloom. Wisteria is an important early-season food source for beneficial insects. [source]

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Traditional Medicine History

Medicinal

Wisteria has been used in traditional Chinese medicine for centuries, though modern use is limited due to potential toxicity. The plant contains glycosides that have been investigated for potential therapeutic properties but should not be used without professional guidance. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Wisteria is primarily grown for ornamental flowers and foliage, not harvest. Cut flower clusters for fresh arrangements if desired—cut in early morning when flowers are fully open. Wear gloves as all parts are toxic if ingested.

Fun Facts

🌱 Wisteria Blue Moon can live for 50+ years and grow to cover an entire structure; some specimen vines are over 100 years old and cover areas larger than houses.
🌱 The name 'wisteria' honors Caspar Wistar, an 18th-century Philadelphia physician, though it's often spelled 'wistaria' in older texts—both are accepted.
🌱 Wisteria flowers bloom in a precise, sequential pattern from top to bottom down the flower cluster over several days, creating a long-lasting display on a single cluster.

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