Ageratina Species, Creeping Croftonweed, River Eupatorium, Spreading Mistflower

Ageratinariparia

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Ageratina (ad-jur-uh-TY-nuh)
Species
riparia (rip-AR-ee-uh)
Synonym
Eupatorium riparium
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
Spacing
24-36 in. (60-90 cm)
Hardiness
Bloom Color
White/Near White
Bloom Time
Mid Spring
Other Details
Category
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
May be a noxious weed or invasive
Soil pH requirements
Patent Information
Non-patented
Propagation Methods
By dividing rhizomes, tubers, corms or bulbs (including offsets)
From seed; direct sow after last frost
Self-sows freely; deadhead if you do not want volunteer seedlings next season
Seed Collecting
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Regional

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Gardener's Notes:

0
positive
0
neutral
1
negative
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Murfreesboro, TN (Zone 7a) | January 2003 | negative

Often confused for its close relative, Ageratina adenophora, the flowers are very similar, but the plants can be distinguished by their h...Read More

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