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Plant profile · Austin & Hill Country
White Mistflower (Ageratina havanensis)
(c) Michelle W. (鍾偉瑋), some rights reserved (CC BY) · iNaturalist

White Mistflower

Ageratina havanensis
Hills guide picknative · Hill Countrysold locally

White Mistflower is a shrub native to the Texas Hill Country that grows 3–6 ft tall and 2–3 ft wide. It wants full sun or part shade and low water, and handles clay soil. Blooms white and pink in Apr, May, Jun, Jul, Sep, Oct, Nov and Dec. Deer rarely browse it. Good for butterflies and hummingbirds.

Will it grow in your yard?

Enter your ZIP. The finder checks White Mistflower against your microclimate, then ranks it against your sun, your watering and deer pressure.

From our guide

Village of the Hills

Rounded shrub covered in fuzzy white flower clusters in fall.

Why it works here

The single best fall nectar plant here — it draws queen and monarch butterflies in numbers that stop people.

Watch out

Cut back in late winter to keep it dense. Wants good drainage and some limestone.

The facts

7 sources
Type
Shrub
Sun
Full sun to part shade (3+ hrs)
Water
Low
Height
3–6 ft
Spread
2–3 ft
Bloom
Apr, May, Jun, Jul, Sep, Oct, Nov, Dec · white, pink
Foliage
Deciduous
Soil
Takes clay · recorded on clay, dry, gravelly, limestone, loam, sand, well drained
Deer
High — deer rarely browse it. Aromatic
Wildlife
Supports butterflies and hummingbirds
Size, sun, water and foliage from the Village of the Hills guide; the rest resolved across sources.

Where it grows

Recorded in these EPA Level IV ecoregions in the Austin and Hill Country launch area:

Balcones CanyonlandsLlano UpliftEdwards Plateau Woodland

1,963 occurrence records in Central Texas (GBIF).

Can you buy it?

Sold at local nurseries. Confirmed in stock at a Central Texas grower in these sizes:

2.5–4.5 inch pots1 gallon
From the growers we read so far — a short list, not the whole trade. Call ahead.

also grows from seed It starts readily from seed, so a packet from a native-seed supplier, or seed collected with permission, is often the easiest way to get a plant no nursery pots.