Light Needs
Mature Height
Mature Spread
Growing Zones
Big blooms on a truly compact plant—that’s the magic of Pugster Sorbet™ Butterfly Bush. It matures just 2–3 feet tall and wide, yet carries full-sized flower spikes that look almost oversized for its sturdy frame. Each bloom stack blends soft lavender and white, creating a pastel, sorbet-like effect that shifts gently along the panicle. Unlike older dwarf types with skimpy flowers, this one delivers the same impact as large buddleia on a border-friendly scale.
Part of the Pugster® series, Buddleia 'SMNBWXPP' was bred for thick stems, improved hardiness, and heavy bloom production on new wood. It flowers from early summer until frost without deadheading and carries a light, sweet fragrance that draws butterflies, bees, and hummingbirds. As a member of the In-Check® program, it sets little to no seed, offering classic butterfly bush appeal without disrupting ecosystems. It is deer, rabbit, heat, and drought resistant for easy growing.
Pugster Sorbet™ Butterfly Bush Care
Plant in full sun for dense growth and continuous flowering. Well-drained soil is essential, especially in winter. A neutral to slightly alkaline pH between 6.5 and 7.5 works best. In heavier soils, set the root ball slightly higher than grade to prevent moisture from collecting at the crown. Water deeply during establishment, then allow the soil to dry between soaks, as butterfly bush resents prolonged damp conditions. A light application of granular fertilizer in early spring is sufficient to support vigorous bloom.
Because it flowers on new growth, prune in early spring once green buds begin to swell. Cut stems back to just above a healthy set of buds to maintain a dense, rounded shape. In colder zones, be patient in spring—this shrub is often slow to break dormancy.
Pugster Sorbet™ Butterfly Bush Spacing
Space plants 2–3 feet apart in landscape borders or mass plantings for a low hedge effect. For container planting, one shrub fills a 16–18 inch patio pot beautifully. In landscape design, combine Pugster Sorbet™ with salvia for layered summer color, catmint for a soft base, and coneflower to extend pollinator appeal across the season.
Compare Pugster® Butterfly Bushes
Compare flower color, mature size, and the features that set each Pugster® butterfly bush apart.
| Variety | Flower Color | Mature Size | Best Feature |
|---|---|---|---|
| Rich purple-pink | 1–2' H × 1–2' W | Smallest Pugster® for tight spaces, edging & containers | |
| Amethyst purple | 2' H × 2' W | Soft purple flowers with contrasting warm-colored eyes | |
| Rich pink | 2' H × 2–2.5' W | Saturated pink flowers with contrasting orange eyes | |
| Deep violet-blue | 2' H × 2–3' W | Large violet-blue flower spikes on a compact dwarf shrub | |
| Periwinkle purple | 2' H × 2–3' W | Cool-toned lavender-purple flowers on a low, mounded plant | |
| Soft pink | 2' H × 2–3' W | Classic soft pink Pugster® color with full-sized flower spikes | |
| White | 2' H × 2–3' W | Crisp white flowers for bright contrast in mixed plantings | |
| Purple & white | 2–3' H × 2–3' W | Multicolored flowers that transition from white toward purple |
Simple Plant Spacing Calculator
Please Note: The pictures below are to give a general representation of the different container sizes. The actual size/ages of plants are estimates and will vary based on type of plant, time of year, last pruning & many other factors.
Also Known As:
Quart
Plant Age:
~ 6 months - 1 year
Plant Size:
~ 4"-8"
Pot Size:
~ 4.75"H x 4.5"W
Volume:
1.50 quarts
Also Known As:
2.5 Quart Pot
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 8"-12"
Pot Size:
~ 6.5"H x 6.5"W
Volume:
2.20-2.30 quarts
Also Known As:
#1 Container
1 Gallon
Plant Age:
~ 1 - 2 years old
Plant Size:
~ 10"-14"
Pot Size:
~ 7"H x 7.75"W
Volume:
2.26-3.73 quarts
Also Known As:
#2 Container
2 Gallon
Plant Age:
~ 1.5 - 3 years old
Plant Size:
~ 12"-18"
Pot Size:
~ 9.5"H x 9.5"W
Volume:
1.19-1.76 gallons
Also Known As:
#3 Container
3 Gallon
Plant Age:
~ 2 - 4 years old
Plant Size:
~ 12"-30"
Pot Size:
~9.5"H x 11"W
Volume:
2.32-2.76 gallons
Also Known As:
#5 Container
5 Gallon
Plant Age:
~3-4 years old
Plant Size:
~ 20" - 60"
Pot Size:
~11" H x 10 1/2” W
Volume:
3.5 - 4 gallons
We stand behind our plants with industry-leading guarantees to give you peace of mind.
We want your plants to arrive in great condition! If you notice any issues upon delivery, contact us within 3 days.
Starting January 1, 2026 all bushes, perennials & trees purchased come with an extended 1-year warranty for added confidence. If your plant dies due to a health issue within a year, we’ll make it right.
Plants that are currently in stock typically ship within 2-7 business days after your order is placed.
Plant Addicts ships to the lower 48 states within the U.S. Unfortunately, we do not currently ship to Alaska, Hawaii, or internationally.
This plant cannot be shipped to the following states: ID, OR, WA, AK, HI. These restrictions apply only to this specific plant due to agricultural regulations or other limitations. Other plants may still be available for shipping to these states.
If you have any questions about shipping restrictions, feel free to reach out to our team!