North America Native Plant

Woolly Butterflybush

Botanical name: Buddleja marrubiifolia

USDA symbol: BUMA

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Woolly Butterflybush: A Hidden Gem for Texas Native Gardens If you’re looking for a native Texas shrub that’s as tough as it is beautiful, let me introduce you to the woolly butterflybush (Buddleja marrubiifolia). This unsung hero of the desert landscape might just become your new favorite plant – especially ...

Woolly Butterflybush: A Hidden Gem for Texas Native Gardens

If you’re looking for a native Texas shrub that’s as tough as it is beautiful, let me introduce you to the woolly butterflybush (Buddleja marrubiifolia). This unsung hero of the desert landscape might just become your new favorite plant – especially if you’re tired of babying high-maintenance garden divas!

What Makes Woolly Butterflybush Special?

The woolly butterflybush is a true Texas native, naturally occurring in the southwestern parts of the Lone Star State, particularly in the Trans-Pecos region. As a perennial shrub, this hardy plant typically grows 4-5 meters (13-16 feet) tall with multiple stems arising from the base, creating a naturally full and attractive form.

What really sets this plant apart is its gorgeous woolly, gray-green foliage that gives the entire shrub a soft, silvery appearance. It’s like having a piece of desert moonlight in your garden! The leaves aren’t just pretty to look at – that fuzzy coating actually helps the plant conserve water, making it incredibly drought-tolerant.

Where You’ll Find It Growing Wild

In nature, woolly butterflybush calls Texas home, thriving in the arid landscapes of the southwestern regions. This native status means it’s perfectly adapted to local conditions and will support local wildlife.

A Pollinator’s Paradise

When this shrub blooms, it puts on quite a show! The small, fragrant flowers appear in beautiful orange to yellow tubular clusters at the tips of branches. These aren’t just pretty faces – they’re pollinator magnets. Butterflies (hence the name!), bees, and other beneficial insects absolutely love these blooms, making your garden a buzzing hub of activity.

Perfect for Low-Water Landscapes

If you’re embracing xeriscaping or simply want a garden that doesn’t demand constant irrigation, woolly butterflybush is your friend. This plant excels in:

  • Desert and arid landscape designs
  • Rock gardens where its silvery foliage provides stunning contrast
  • Native plant gardens
  • Xeriscape installations
  • Areas where you want texture and visual interest without high water needs

Growing Conditions That Make It Happy

Woolly butterflybush is refreshingly easy-going when it comes to growing conditions. Here’s what it loves:

  • Sunlight: Full sun – the more, the better!
  • Soil: Well-draining soil is absolutely essential. It actually prefers alkaline conditions, which is perfect for many Texas gardens
  • Water: Drought-tolerant once established, but appreciates occasional deep watering during extreme drought
  • Climate: Thrives in USDA hardiness zones 8-10

Planting and Care Tips

The best news? This plant practically takes care of itself once you get it established. Here’s how to set it up for success:

When to plant: Fall or early spring are ideal planting times, giving the roots time to establish before extreme weather hits.

Planting tips: Dig a hole twice as wide as the root ball but no deeper. Make sure the soil drains well – if water sits after rain, choose a different spot or amend with gravel.

Ongoing care: Water regularly the first year to help establish roots, then back off. Once mature, this plant is incredibly drought-tolerant. Prune lightly after flowering to maintain shape and encourage bushier growth.

Why Choose Native?

Choosing native plants like woolly butterflybush isn’t just good for your garden – it’s good for the local ecosystem. Native plants support local wildlife, require fewer resources once established, and are naturally adapted to local weather patterns and soil conditions. Plus, there’s something deeply satisfying about growing plants that truly belong in your landscape.

The Bottom Line

Woolly butterflybush offers the perfect combination of beauty, toughness, and ecological value. Its silvery foliage provides year-round interest, its flowers feed pollinators, and its low-maintenance nature means more time enjoying your garden and less time working in it. For Texas gardeners looking to embrace native plants and water-wise landscaping, this hidden gem deserves a spot in your landscape design.

Ready to add some Texas native charm to your garden? Your local pollinators (and your water bill) will thank you!

Woolly 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 marrubiifolia Benth. - woolly butterflybush

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