General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Annual
Sun Requirements: Full Sun
Full Sun to Partial Shade
Water Preferences: Mesic
Soil pH Preferences: Slightly acid (6.1 – 6.5)
Neutral (6.6 – 7.3)
Slightly alkaline (7.4 – 7.8)
Plant Height: 24-30 inches
Leaves: Other: Pubescent, gray-green
Fruiting Time: Late summer or early fall
Fall
Flowers: Inconspicuous
Flower Color: White
Other: Creamy white with yellow central disk
Bloom Size: Under 1"
Flower Time: Summer
Uses: Will Naturalize
Resistances: Humidity tolerant
Drought tolerant
Salt tolerant
Toxicity: Other: Handling the plant may cause contact dermatitis in some individuals.
Propagation: Seeds: Provide light
Needs specific temperature: 75ºF-78ºF

Image
Common names
  • Hairy Fleabane
  • Asthmaweed
  • Argentine Fleabane
  • Flaxleaf Fleabane
Botanical names
  • Accepted: Erigeron bonariensis
  • Synonym: Conyza bonariensis

Photo Gallery
Location: My backyard
Date: 2021-07-23
Colony of horseweeds
Location: Cordoba, Argentina

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