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PlantFiles: Fragrant Mist Flower, Shrubby White Mistflower, White Boneset, Thoroughwort, Havana Snakeroot
Eupatorium havanense

Family: Asteraceae (ass-ter-AY-see-ee) (Info)
Genus: Eupatorium (yoo-puh-TOR-ee-um) (Info)
Species: havanense (hav-an-EN-see) (Info)

Synonym:Eupatorium ageratifolium
Synonym:Ageratina havanensis
Synonym:Eupatorium texense

20 members have or want this plant for trade.


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)

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)

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)

Sun Exposure:
Sun to Partial Shade
Light Shade


Bloom Color:
Pale Pink
White/Near White

Bloom Time:
Late Summer/Early Fall
Mid Fall
Late Fall/Early Winter


Other details:
This plant is attractive to bees, butterflies and/or birds
Flowers are fragrant
Drought-tolerant; suitable for xeriscaping

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:

Propagation Methods:
From softwood cuttings
From seed; direct sow after last frost

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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There are a total of 8 photos.
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2 positives
1 neutral
No negatives

Gardeners' Notes:

Neutral Fires_in_motion On Nov 15, 2014, Fires_in_motion from Vacherie, LA (Zone 9a) wrote:

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 weird brown (fungal?) spot where it joins the stem, which is of course a sign of overwatering. The fragrance is incredible, so I put up with the plant's overall mediocre appearance / habit / performance. I guess it needs to be in the ground in a dry area to thrive, but I can't shake the feeling that mine is constantly thirsty. Kind of a baffling plant overall, and I'm someone with a lot of experience at keeping drought-tolerant plants (yuccas, agaves, cacti, etc.) happy in my rainy environs.

Positive jameso On Dec 11, 2006, jameso from Longview, TX wrote:

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 butterflies liked. This was an understatement this fall. It seemed everyday on this small bush there were at least ten hairstreaks feasting,

Positive LindaTX8 On Aug 12, 2006, LindaTX8 from NE Medina Co., TX (Zone 8a) wrote:

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 back a bit to a more desirable shape or height if desired. When blooming, butterflies are attracted to it. Reseeds easily, so remove seed if you don't want volunteers.


This plant has been said to grow in the following regions:

Anniston, Alabama
North Little Rock, Arkansas
Brooksville, Florida
Derby, Kansas
Arlington, Texas
Austin, Texas (3 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
San Antonio, Texas (3 reports)
Sugar Land, Texas
Victoria, Texas
Waxahachie, Texas

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