Ageratina Species, Havana Snakeroot, Shrubby Boneset, Thoroughwort, White Mistflower

Ageratinahavanensis

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Ageratina (ad-jur-uh-TY-nuh)
Species
havanensis (hav-an-EN-sis)
Synonym
Eupatorium ageratifolium
Eupatorium havanense
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Deciduous
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Spacing
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
4-6 ft. (1.2-1.8 m)
Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Danger
N/A
Bloom Color
Pale Pink
White/Near White
Bloom Time
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter
Other Details
Category
Perennials
Shrubs
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Non-patented
Propagation Methods
From softwood cuttings
From seed; direct sow after last frost
Seed Collecting
Allow seedheads to dry on plants; remove and collect seeds
Regional

This plant is said to grow outdoors in the following regions:

Anniston, Alabama

North Little Rock, Arkansas

Brooksville, Florida

Derby, Kansas

Columbus, Ohio

Arlington, Texas

Austin, Texas(2 reports)

Brownsville, Texas

Crawford, Texas

Dallas, Texas

Deer Park, Texas

Dripping Springs, Texas

Fort Worth, Texas

Garland, Texas

Helotes, Texas

Houston, Texas

Irving, Texas

Longview, Texas

Martindale, Texas

Pasadena, Texas

Princeton, Texas

San Antonio, Texas(3 reports)

Sugar Land, Texas

Victoria, Texas

Waxahachie, Texas

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Gardener's Notes:

2
positives
1
neutral
0
negative
Sort By:
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F
Vacherie, LA (Zone 9a) | November 2014 | neutral

I keep mine in a pot here in rainy S. Louisiana. It seems to always either be wilting from too little water, yet every leaf develops a w...Read More

J
J
Longview, TX | December 2006 | positive

This was my first year for the plant so they were small; however the book I use for butterflies indicated this was a white flower that bu...Read More

L
NE Medina Co., TX (Zone 8a) | August 2006 | positive

This is a lovely shrubby white mistflower which is drought-tolerant and native to my area of Texas. It can get tall, but can be pruned ba...Read More

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Featured
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(Accipiter cooperii)