Horseweed (Erigeron canadensis)

Common names:
Give a thumbs up Horseweed
Give a thumbs up Marestail
Give a thumbs up Butterweed
Give a thumbs up Fleabane
Give a thumbs up Hogweed
Give a thumbs up Canada Fleabane
Give a thumbs up Canadian Horseweed

Botanical names:
Erigeron canadensis Accepted
Conyza canadensis Synonym
Conyza canadensis var. glabrata Synonym
Conyza parva Synonym
Conyza canadensis var. pusilla Synonym

General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun to Partial Shade
Water Preferences: Mesic
Dry Mesic
Minimum cold hardiness: Zone 3 -40 °C (-40 °F) to -37.2 °C (-35)
Maximum recommended zone: Zone 10b
Flowers: Inconspicuous
Flower Color: White
Bloom Size: Under 1"
Flower Time: Late summer or early fall
Late fall or early winter
Underground structures: Taproot
Suitable Locations: Xeriscapic
Uses: Erosion control
Will Naturalize
Resistances: Drought tolerant
Pollinators: Flies
Miscellaneous: Tolerates poor soil


This plant is tagged in:
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Discussion Threads about this plant
Thread Title Last Reply Replies
What is this growing with my new catmint? by lookwow Jul 2, 2018 4:30 PM 2
native or weed by papab Jun 25, 2018 11:41 AM 3
Weed removal by amadorhill Jun 15, 2018 2:54 PM 9
What type of plant is this? by leyton13 Apr 22, 2018 9:25 PM 3
Can someone identify these 2 plants by idn Aug 23, 2017 4:26 PM 4
What is this tall weed? by mnplants Jul 7, 2017 10:24 AM 7
Weed or Plant? Help, I'm clueless. by dcunni Jun 11, 2017 10:42 AM 8

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