| Size | |
|---|---|
| Common Name | |
| Type | |
| Family | |
| Native? | Non-Native |
| Zone | 5, 5b, 6, 7, 8, 8b, 9 |
| Height Range (ft.) | 3.00 to 4.00 |
| Spread (ft.) | 4.00 to 5.00 |
| Bloom Time | |
| Bloom Description | Blue-lavender, flowers, Long, Narrow, panicles, Small |
| Sun | |
| Water | |
| Maintenance | |
| Suggested Use | |
| Tolerate | |
| Growth Rate | |
| Attracts |
Buddleia davidii ‘Nanho Blue’ is a compact butterfly bush with fragrant violet-blue blooms and arching branches, perfect for sunny pollinator gardens; images shown depict a more mature plant.
$35.99 – $82.99
Please note: Sizes 1.5 Gallon and up can’t be shipped outside the counties of Nassau, Suffolk, Brooklyn, and Queens.
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| Size | |
|---|---|
| Common Name | |
| Type | |
| Family | |
| Native? | Non-Native |
| Zone | 5, 5b, 6, 7, 8, 8b, 9 |
| Height Range (ft.) | 3.00 to 4.00 |
| Spread (ft.) | 4.00 to 5.00 |
| Bloom Time | |
| Bloom Description | Blue-lavender, flowers, Long, Narrow, panicles, Small |
| Sun | |
| Water | |
| Maintenance | |
| Suggested Use | |
| Tolerate | |
| Growth Rate | |
| Attracts |
Buddleia davidii ‘Nanho Blue’, commonly known as Butterfly Bush, is a compact, arching deciduous shrub celebrated for its fragrant, violet-blue flower spikes that bloom from midsummer to fall. Reaching 4 to 6 feet tall and wide, this cultivar features narrow, silvery-green leaves and a more refined, open habit compared to larger varieties. The long-lasting flowers attract butterflies, bees, and hummingbirds, making it a favorite for pollinator gardens and sunny borders. While showy and easy to grow, this non-native species can be invasive in some regions—check local guidance before planting.
Extended bloom time: Flowers from midsummer to frost
Pollinator favorite: Highly attractive to butterflies and hummingbirds
Refined habit: Compact and graceful form for smaller garden spaces
Sun exposure: Full sun for best flowering and growth
Soil needs: Well-drained soil; tolerates drought once established
Maintenance: Prune back hard in early spring to encourage vigorous blooming
Pollinator borders: Creates a long-lasting nectar source
Mixed shrub beds: Combines well with ornamental grasses and perennials
Cottage gardens: Offers texture, fragrance, and butterfly appeal
Pollinator support: Abundant nectar for butterflies and bees
Deer-resistant: Typically left alone by deer
Fast-growing: Fills in quickly for a colorful impact
–Iris cristata – Crested Iris
–Lobelia siphilitica – Great Blue Lobelia
–Tradescantia ohiensis – Ohio Spiderwort
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No. Buddleia davidii is native to China and Japan, and ‘Nanho Blue’ is a cultivar of this non-native species. While it’s popular in American gardens for attracting butterflies, it is considered invasive in many parts of the U.S., particularly in the Pacific Northwest and Mid-Atlantic regions.
‘Nanho Blue’ is a more compact and fine-textured cultivar of Buddleia davidii, growing 4 to 6 feet tall and wide. It produces long, arching spikes of soft lavender-blue flowers from midsummer to fall, with a more graceful, airy appearance compared to older varieties.
This plant thrives in full sun and prefers well-drained soil. It is drought-tolerant once established and is hardy in USDA zones 5 through 9. Cut back hard in early spring to encourage new growth and abundant flowering.
Partially. While the blooms attract butterflies, bees, and hummingbirds, Buddleia davidii does not support native caterpillars or insect larvae, making it less beneficial to the ecosystem than native plants. It functions more as a nectar plant than a true habitat supporter.
Yes, in some regions. Buddleia davidii can self-seed and spread aggressively in certain areas of the U.S., outcompeting native plants. Gardeners should check local guidelines and consider sterile cultivars or native alternatives if planting in regions where it is invasive.
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