How to Grow Butterfly Bush White Profusion

Butterfly Bush White Profusion

Buddleja davidii 'White Profusion'

shrub

White Profusion is a deciduous to semi-evergreen ornamental shrub prized for its abundant long, narrow panicles of pure white flowers that bloom throughout summer and fall. This cultivar is a non-invasive or sterile variant of butterfly bush, making it safe for gardens without risk of aggressive self-seeding. It attracts butterflies, hummingbirds, and other pollinators while providing continuous color for months.

Growing Conditions

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Sun: Full sun, 6-8 hours daily; afternoon shade helpful in very hot climates

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Water: Moderate water needs; drought-tolerant once established. Water deeply during dry spells, especially in first season. Avoid waterlogging.

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Spacing: 60 inches

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Days to maturity: Flowers appear within 8-12 weeks from spring; reaches mature size in 2-3 years

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Planting depth: Transplants at same depth as root ball; barely cover seeds if starting from seed

Soil

Type: Well-draining loamy to sandy soil; tolerates poor soil

pH: 6.0-7.5

Amendments:

Compost for moisture retention in sandy soils Perlite or coarse sand if soil is heavy clay

Growing Zones

Find your zone →

Thrives in zones 5-9; marginal in zone 10 in hot climates

5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

Growth Stages

Establishment

4-6 weeks

Young plant with limited branching and foliage; slow growth in first 4-6 weeks after planting

Water regularly to establish roots; protect from strong winds; mulch base to retain moisture and moderate soil temperature

Vegetative Growth

6-10 weeks

Rapid stem and leaf expansion; plant develops multiple branches and dense foliage; no flowers yet

Pinch or lightly prune growing tips to encourage bushier form; maintain consistent moisture; apply balanced fertilizer monthly

Flowering Initiation

2-3 weeks

Flower buds appear at shoot tips; elongated flower spikes begin to form and lengthen

Increase phosphorus and potassium fertilizer to support blooming; reduce nitrogen; continue regular watering

Peak Bloom

10-16 weeks (June-October in most zones)

Dense pyramidal panicles of white flowers cover the shrub; continuous flowering from mid-summer through fall frost

Deadhead spent flower clusters to encourage prolonged blooming; water during drought; monitor for pests attracted to flowers

Winter Dormancy

3-4 months

Flowers fade; leaves yellow and drop in cold zones; stems harden for winter; plant goes dormant

Stop fertilizing; reduce watering in dormant season; prune in late winter (late February-early March) before growth resumes; in zone 5, mulch heavily or protect with burlap in severe winters

Companion Planting

Plan your garden →

Plant with:

Coreopsis Black-eyed Susan Russian Sage Lavender Salvia Ornamental grasses Sedum Catmint

Avoid planting near:

Sensitive shade plants that dislike competitive roots Native understory shrubs in conservation areas

Common Pests

Spray foliage with water to dislodge; use neem oil or insecticidal soap; ensure adequate humidity
Ensure good air circulation through pruning; apply sulfur dust or fungicide if severe; avoid wetting foliage at night
Use yellow sticky traps; spray with insecticidal soap or neem oil; encourage natural predators
and
Hand-pick or prune affected shoots; use Bacillus thuringiensis (Bt) if infestation is heavy

Uses

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Pollinator Magnet

Wildlife

Butterfly Bush White Profusion is exceptional at attracting monarch butterflies, swallowtails, painted ladies, and numerous other butterfly species. The long, nectar-rich flower spikes provide a reliable food source throughout late summer and fall when other nectar sources decline. [source]

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Ornamental Cut Flowers

Household

The elegant pure-white flower panicles are long-lasting in arrangements and add vertical interest to bouquets and floral designs. Cut spikes remain fresh for 7-10 days in a vase. [source]

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Hummingbird Nectar Source

Wildlife

Ruby-throated and other hummingbird species visit the flowers extensively for nectar, making it an excellent addition to hummingbird gardens. The small individual florets are perfectly sized for hummingbird beaks. [source]

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Summer-Fall Color & Privacy Screen

Household

The tall, dense growth and continuous white flowers provide late-season landscape color and can be used as a flowering hedge or privacy screen. Mature plants reach 8-12 feet tall and create a substantial visual presence. [source]

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Traditional Herbal Uses

Medicinal

In Traditional Chinese Medicine, Buddleja species are used in preparations; some cultures use butterfly bush leaves and flowers in teas for anti-inflammatory purposes. Modern scientific evidence is limited; use with caution. [source]

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

Harvest Tips

Not typically harvested for culinary use. For floral arrangements, cut flower panicles in mid-morning after dew dries, when flowers are freshly opened. Cut stems 8-12 inches long; place immediately in water. Spent blooms can be deadheaded by pinching or cutting back to encourage side shoots. Seeds should not be collected as this cultivar is sterile.

Fun Facts

🌱 The 'White Profusion' cultivar was deliberately bred to be sterile or near-sterile, preventing the aggressive self-seeding that makes wild-type butterfly bush invasive in some regions. This makes it an ecologically responsible choice for gardeners.
🌱 Despite being called 'Butterfly Bush,' it is not a host plant for butterfly caterpillars—butterflies visit solely for nectar. However, the flowering shrub's prolific blooms support entire butterfly populations during late-season nectar dearth.
🌱 Butterfly bush flowers release their strongest fragrance in warm afternoons; the sweetly scented blooms can perfume an entire garden on sunny days.

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