The Butterfly Candy® Butterfly Bush is a seedless, non-invasive dwarf shrub series that reaches 3–4 feet tall and blooms from June through October in full sun.
Most gardeners searching for a “candy butterfly bush” are actually looking for the Butterfly Candy® series — a group of five compact, container-friendly Buddleja cultivars that solve the two biggest problems with standard butterfly bushes: invasive spread and oversized growth. These dwarf shrubs top out at roughly half the height of a traditional butterfly bush, produce sterile flowers that set no seed, and keep blooming for months with basic care. Here is what each variety looks like, how to plant them, and the handful of rules that keep them thriving.
What Varieties Are In The Butterfly Candy® Series?
The series contains five dwarf cultivars, each named after a fruit or berry and sold with the “Li’l” prefix. All share the same compact shrub form, grow 3–4 feet tall and wide, and reach full size within one to two seasons.
- Li’l Grape™ — white blooms
- Li’l Raspberry™ — pink to raspberry-red blooms
- Li’l Blueberry™ — blue to purple blooms
- Li’l Peach™ — light peach-colored blooms
- Li’l Lavender™ — lavender blooms
Every variety in the series is seedless and non-invasive, unlike standard Buddleja davidii, which the University of Maryland Extension lists as invasive in several states due to its wind-dispersed seeds. The Butterfly Candy® line was bred specifically to eliminate that risk.
How Long Does The Blooming Season Last?
Flowering begins in June and continues through October if you deadhead spent blooms. Peak bloom runs through July and August. Each flower panicle lasts several weeks, and cutting back the faded ones to a leaf junction triggers a new round of flowers rather than seed formation. In cooler regions (Zones 5–6), the season may shorten by a few weeks on either end.
Planting Requirements
Getting the site right matters more than any other care step. Butterfly Candy bushes need full sun — at least six hours of direct light daily — and well-drained soil with a pH between 6.0 and 7.0. Soggy ground is the fastest way to kill them; root rot sets in within weeks if the roots sit in water.
In-Ground Planting
- Dig a hole twice as wide as the nursery pot and roughly the same depth.
- Mix two inches of compost into the top eight to ten inches of native soil.
- Set the plant at the same depth it grew in the container.
- Water thoroughly after backfilling.
Container Planting
- Use a container at least 14 inches wide with drainage holes.
- Fill with a quality potting mix, not garden soil.
- Keep the container in full sun — a south-facing patio or deck is ideal.
Care Through The Seasons
| Task | When | What To Do |
|---|---|---|
| Watering | First year; hot months thereafter | Keep soil consistently moist but not soggy during establishment. Once rooted, water only during extended dry spells and in Zone 5–6 dry winters. |
| Mulching | After planting; refresh yearly | Apply a 3–4 inch layer of arborist mulch around the base — not touching the stems — to insulate roots and hold moisture. |
| Fertilizing | Early spring only | Use a balanced, slow-release fertilizer formulated for flowering shrubs. Avoid high-nitrogen lawn fertilizers. Never fertilize after midsummer. |
| Pruning | Very early spring | Cut back to 6–12 inches above the ground before new growth emerges. This maintains a rounded shape and encourages vigorous blooming. |
| Deadheading | Throughout blooming season | Snip spent flower panicles back to the first leaf junction below the bloom. This triggers reblooming and prevents any chance of seed formation. |
Hardiness Zones, Winter Risks, And Common Pitfalls
Butterfly Candy® shrubs are rated for USDA Zones 5 through 10. In Zone 5 and during harsh Zone 6 winters, the top growth may die back to the ground — the plant will regrow from the roots in spring, but it will bloom later and may stay shorter that year. A heavy winter mulch layer reduces the risk.
Three mistakes account for most failed plants:
- Overwatering or poor drainage — roots rot quickly in waterlogged soil. If your native soil is heavy clay, plant in a raised bed or a large container.
- Fertilizing after summer — late-season fertilizer pushes tender new growth that cannot harden off before frost, leaving the plant vulnerable to winter kill.
- Pruning in fall or winter — cutting back before spring removes protective wood and opens the plant to cold damage. Wait until you see the first green buds.
Pests And Diseases To Watch
Spider mites appear when the plant is drought-stressed — hosing down the foliage weekly during dry spells usually stops them. In sandy coastal soils, nematodes can attack the roots; there is no cure, so prevention through rich organic soil is the only defense. Downy mildew is rare on the dwarf Butterfly Candy® cultivars but can occur in cool, wet weather; improving airflow around the plant and avoiding overhead watering at night are the simplest preventives.
The Verdict: Which Variety Fits Your Garden?
| Variety | Bloom Color | Best Use |
|---|---|---|
| Li’l Grape™ | White | Moon gardens or evening seating areas where white flowers stand out after dark |
| Li’l Raspberry™ | Pink to red | Mixed perennial borders where a true pink accent is needed |
| Li’l Blueberry™ | Blue to purple | Mass plantings or pollinator patches where cool tones dominate |
| Li’l Peach™ | Light peach | Container centerpieces where the soft color complements warm-toned pottery |
| Li’l Lavender™ | Lavender | Along walkways or entry paths where the classic butterfly-bush color is desired at a smaller scale |
Pick by bloom color and how the shrub fits your space — every variety shares the same size, bloom season, and non-invasive profile, so the choice is visual. All five attract butterflies, bees, and hummingbirds without the risk of spreading into natural areas. One bush in a 14-inch pot on a sunny patio delivers months of flowers with very little work.
References & Sources
- University of Maryland Extension. “Butterfly Bush.” Documents the invasive status of standard Buddleja davidii in Maryland and surrounding states.
- Butterfly Candy Official Site. “Butterfly Candy® Butterfly Bush.” Official series homepage listing all five dwarf cultivars, growth specs, and care guidance.
- Nature Hills Nursery. “Butterfly Candy Butterfly Bushes Collection.” Retail listings with detailed planting and care instructions for each variety.
- Clemson Home & Garden Information Center. “Butterfly Bush.” Horticultural fact sheet covering hardiness zones, soil requirements, pest risks, and pruning protocols.
- Proven Winners Direct. “Butterfly Bushes Collection.” Source confirming the non-invasive, seedless characteristics of modern sterile Buddleja cultivars.