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Ageratina altissima

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Names

Common Names
White Snakeroot, Richweed, White Sanicle

Growth

Height
12-36 inches
Spread
2-3 feet
Growth Rate
Moderate growth

Appearance

Bloom Color
White
Fall Foliage Color
Green

Environment

Hardiness Zones
Zones 3-8
Soil Type
Moist, well-drained soil; suitable for sandy, loamy, and clay soils.
Soil Drainage
Moist, well-drained soil.
Soil pH
6.0-8.0 Neutral to alkaline soils

Lifecycle

Lifecycle
Perennial
Leaf Lifecycle
Deciduous
Seasons of Interest
Summer and Fall
Bloom Time
Late Summer through Fall

Reproduction

Propagation Methods
Seeds, Stem cuttings, Division

Wildlife

Attracts Wildlife
Bees, butterflies, and other pollinators are attracted.

References

Taxonomy

Taxonomic Rank
Species
Author
(L.) R.M.King & H.Rob.
Publication
Phytologia 19: 212 (1970)

Superior Taxa

Kingdom
Plantae
Subkingdom
Pteridobiotina
Phylum
Angiosperms
Order
Asterales
Family
Asteraceae
Subfamily
Asteroideae
Tribe
Eupatorieae
Genus
Ageratina

Inferior Taxa

Ageratina altissima var. altissima Ageratina altissima var. roanensis

Synonyms

Eupatorium urticifolium f. urticifolium Eupatorium roanense Eupatorium aboriginum Eupatorium frasieri Eupatorium urticifolium f. congesta Ageratina ageratoides Eupatorium urticifolium var. trifolium Eupatorium urticifolium var. villicaule Eupatorium urticifolium var. urticifolium Eupatorium ageratoides var. angustatum Eupatorium rugosum f. rugosum Eupatorium urticifolium f. verticillatum Eupatorium odoratum Eupatorium rugosum Eupatorium boreale Kyrstenia aboriginum Kyrstenia borealis Kyrstenia altissima Eupatorium altissimum Eupatorium rugosum var. rugosum Eupatorium cordatum var. fraseri Eupatorium eurybiaefolium Batschia nivea Eupatorium frasieri Ageratum altissimum

References

Taxonomic data from World Flora Online, accessed June 20, 2024

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