Images by part: leaf (5) · flower (5) · fruit (1) · bark (5) · habit (5) · other (5)
Ageratina adenophora
Crofton weed · Maui pamakani · Mexican Devil · Sticky snakeroot · Catweed
Tier 2 Difficulty: medium Water: low Light: full_sun
Temperature
15–37 °C
Soil pH
6–7
Hardiness
Zone 8–11
Click count
373
Observations
569
Description
Source: leafsnapAgeratina adenophora (synonym Eupatorium adenophorum), commonly known as Crofton weed, is a species of flowering plant in the family Asteraceae native to Mexico and Central America. Originally grown as an ornamental plant, it has become invasive into farmland and bushland worldwide. It is toxic to horses, who develop a respiratory disease known as Numinbah Horse Sickness after eating it.
Care Guide
💧 Water
☀️ Light Full sun
Ideal: Full sun
🌡️ Temperature 15–37.8°C
Ideal temperature: 15–37.8°C
💨 Humidity
Humidity:
🪴 Soil 6-7
Soil pH: 6-7
🌱 Fertilizer
🪴 Pot & Repot
✂️ Pruning
🌿 Propagating
🐛 Diseases & pets
☠️ Toxicity
Characteristics
- Plant Type
- Herb
- Life Cycle
- Perennial
- Genus
- Ageratina
- Family
- Asteraceae
- Hardiness Zone
- 8-11
- Mature Height
- 0.91 m to 2.13 m
- Mature Spread
- 0.91 m to 1.52 m
- Leaf Color
- Green, Dark Green
- Leaf Type
- Evergreen
- Flower Color
- White
- Flower Size
- 0.51 cm
- Bloom Time
- Mid spring, Late spring, Early summer
- Planting Time
- Spring, Summer, Autumn
- Harvest Time
- Summer
- Native Area
- Mexico
Tags (6)
Common Names (14)
en Crofton weed
en Maui pamakani
en Mexican Devil
en Sticky snakeroot
en Catweed
en Hemp-agrimony
en Sticky-agrimony
en Catspaw
en White Thoroughwort
en Glandular eupatorium
en Pamakani
en Sticky eupatorium
en Sticky snakewort
en Tankhana