North America Non-native Plant

Pole Butterflybush

Botanical name: Buddleja officinalis

USDA symbol: BUOF

Life cycle: perennial

Habit: shrub

Native status: Non-native, reproduces and persists in the wild in the lower 48 states  

Pole Butterflybush: A Winter-Blooming Shrub for Southern Gardens Looking for a shrub that breaks the winter blues with early flowers? Meet the pole butterflybush (Buddleja officinalis), a deciduous shrub that dares to bloom when most other plants are still fast asleep. While it’s not native to North America, this Chinese ...

Pole Butterflybush: A Winter-Blooming Shrub for Southern Gardens

Looking for a shrub that breaks the winter blues with early flowers? Meet the pole butterflybush (Buddleja officinalis), a deciduous shrub that dares to bloom when most other plants are still fast asleep. While it’s not native to North America, this Chinese import has found a home in warmer climates and offers some unique benefits for adventurous gardeners.

What is Pole Butterflybush?

Pole butterflybush is a perennial, multi-stemmed woody shrub that typically grows 13 to 16 feet tall, though it can sometimes reach greater heights depending on growing conditions. This non-native species has been introduced to the United States and now reproduces naturally in the wild, particularly in Georgia where it has established populations.

Don’t let the non-native label scare you off completely – this plant isn’t currently listed as invasive, though it’s always wise to keep an eye on any introduced species in your garden.

Why Consider (or Skip) This Shrub?

Reasons to plant it:

  • Blooms in late winter to early spring when few other flowers are available
  • Fragrant, pale yellow to white flowers attract early pollinators
  • Provides nectar for bees when other food sources are scarce
  • Drought tolerant once established
  • Adds winter interest to the landscape

Reasons to think twice:

  • Not native to North America
  • May self-seed and spread beyond intended areas
  • Takes up space that could be used for native species

Growing Pole Butterflybush Successfully

Climate Requirements: This shrub thrives in USDA hardiness zones 7-10, making it perfect for gardeners in the southeastern United States and other warm climates.

Light and Soil: Pole butterflybush prefers full sun to partial shade and well-drained soil. It’s quite adaptable and can handle various soil types as long as water doesn’t pool around the roots.

Planting Tips:

  • Plant in spring after the last frost
  • Space plants adequately to accommodate their mature size
  • Water regularly during the first growing season to establish roots
  • Once established, it becomes quite drought tolerant

Care and Maintenance:

  • Prune after flowering to maintain shape and encourage new growth
  • Remove spent flowers to prevent excessive self-seeding
  • Generally low maintenance once established
  • Monitor for any signs of aggressive spreading

Landscape Role and Design Ideas

Pole butterflybush works well in mixed shrub borders, ornamental gardens, and winter interest plantings. Its early blooming habit makes it valuable for creating seasonal succession in your landscape. The fragrant flowers and attractive foliage with white undersides add texture and interest even when not in bloom.

Consider pairing it with other winter and early spring bloomers, or use it as a backdrop for later-blooming perennials and annuals.

Native Alternatives to Consider

While pole butterflybush has its charms, you might also consider these native alternatives that provide similar benefits:

  • Spicebush (Lindera benzoin) – early yellow flowers and great wildlife value
  • Native azaleas (Rhododendron species) – spectacular spring blooms
  • Serviceberry (Amelanchier species) – early white flowers and berries for wildlife
  • Redbud (Cercis canadensis) – pink spring flowers and heart-shaped leaves

The Bottom Line

Pole butterflybush can be a valuable addition to southern gardens, especially if you’re looking for early-season blooms and pollinator support. Just remember to garden responsibly – deadhead spent flowers to prevent excessive spreading, and consider balancing any non-native plantings with plenty of native species that support local ecosystems.

Whether you choose pole butterflybush or opt for native alternatives, the key is creating a diverse, interesting landscape that brings you joy while supporting local wildlife. Happy gardening!

Pole Butterflybush

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Scrophulariales

Family

Buddlejaceae K. Wilh. - Butterfly-bush family

Genus

Buddleja L. - butterflybush

Species

Buddleja officinalis Maxim. - pole butterflybush

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA