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Native Plant Society of Texas

Shrubby Boneset

Ageratina havanensis

White Mistflower, White Shrub Mistflower, Havana Snakeroot

Photo Credit; Claire Sorenson
Photo Credit; Claire Sorenson
Photo Credit: Claire Sorenson
Photo Credit: Claire Sorenson
Photo Credit: Claire Sorenson
Photo Credit: Claire Sorenson
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Plant Ecoregion Distribution Map (hover for ecoregion names)

Native Habitat: Grassland
Edwards Plateau

Maintenance

Cut back by 1/2 in winter before new growth begins, if needed to maintain compactness

Comments

Rounded shape; grows in most soils, fragrant white blooms in fall; attracts butterflies, moths and hummingbirds. One of the last bloomers, often into November. Larval Host: Rawson’s Metalmark. Nectar: Common Wood Nymph, Gulf Fritillary, Monarch, Queen, Red Admiral, Zebra Longwing.

Growth Form

Shrub

Height

3 to
5 ft

Spread

3 to
5 ft

Soil Type(s)

Loam, Clay, Limestone, Well Drained

Light Requirement

Sun, Part Shade

Water Requirement

Low

Leaf Retention

Deciduous

Lifespan

Perennial

Bloom Color

White

Bloom Season

Fall

Seasonal Interest

Seeds, Nectar, Larval Host

Wildlife Benefit

Butterflies, Birds, Hummingbirds, Moths

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Previous Scientific Name(s): Synonym(s): Eupatorium havanense, Eupatorium texense

References

1) Griffith, Bryce, Omernick & Rodgers (2007). Ecoregions of Texas. 2) https://www.wildflower.org/plants/result.php?id_plant=AGHA4. 3) https://portal.torcherbaria.org/portal/taxa/index.php?taxon=Ageratina+havanensis&formsubmit=Search+Terms. 4) http://bonap.net/TDC/Image/Map?taxonType=Species&taxonId=1979&locationType=County&mapType=Normal. 5) Miller, George O., Landscaping with Native Plants of Texas 2nd Ed., 2013, pg 52. 6) https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=36468#null, 7) Native and Adapted Landscape Plants, City of Austin and Texas A&M, 2014.

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State Office Phone: 830.997.9272

State Office Address
Native Plant Society of Texas
PO Box 3017
Fredericksburg, TX 78624

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