Horseweed (Erigeron canadensis)

Common names:
Give a thumbs up Horseweed
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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
Need plant/weed identification by miniskier Sep 29, 2020 7:36 PM 7
Help identifying tall weed by Spencerjc63 Aug 12, 2020 3:05 PM 4
mystery plant by sharonpendl Aug 8, 2020 8:57 PM 5
USA Zone 4b Mystery Plants by jhugart Aug 2, 2020 12:19 PM 3
Help with weed identification! by NewGardener95 Jun 25, 2020 12:20 PM 2
this is a weed ? by sangel Apr 18, 2020 8:17 AM 4
Unknown Wild Plant - Please Help ID it by Rexquondam Dec 25, 2019 11:27 AM 10
Liatris or horsetail .? by Terrypie Aug 22, 2019 6:27 PM 4
Why are you so tall?? by Pleinhauser Jul 15, 2019 6:55 PM 10
Please ID this weed by stegokitty Jul 6, 2019 3:46 PM 4

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