Canyon Ragweed (Ambrosia Ambrosioides) is a perennial shrub in the Asteraceae family with easy care difficulty. It requires low watering and full sun or partial shade light in USDA hardiness zones 7-10. This plant is toxic to cats and dogs — keep it out of reach of pets.

Ambrosia ambrosioides is a perennial subshrub or shrub native to western North America, growing up to 2.5 meters tall with multiple erect stems, covered in minute soft hairs and glandular hairs, aromatic and sticky.

Canyon Ragweed

Canyon Ragweed

Ambrosia Ambrosioides

Ambrosia ambrosioides is a perennial subshrub or shrub native to western North America, growing up to 2.5 meters tall with multiple erect stems, covered in minute soft hairs and glandular hairs, aromatic and sticky.

Quick Facts

Type
shrub
Lifecycle
perennial
Care Difficulty
Easy
Water Needs
Low
Light
Full Sun, Partial Shade
Hardiness Zones
7-10

Safety

⚠️
Not Pet Safe
⚠️
Not Child Safe
☠️
Toxic

Growing Conditions

Soil Types:sandy, rocky, loamy
Indoor:No
Outdoor:Yes
Garden Use:groundcover, erosion control, pollinator support

Care Calendar

Monthly care tasks for Canyon Ragweed

Jan
Prune
Feb
Fertilize
Mar
Repot
Apr
Water+
May
...
Jun
...
Jul
...
Aug
...
Sep
...
Oct
...
Nov
...
Dec
...

Expert Care Tips

Pro tips from botanists and plant experts

Watering Tip

Check soil moisture by inserting your finger 1 inch deep. Water only when the top layer feels dry to prevent overwatering.

Humidity Trick

Group plants together to create...

Growth Hack

Rotate your plant every...

Photo Gallery10+ photos

Canyon Ragweed
Canyon Ragweed detail

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Taxonomy

Family:Asteraceae
Genus:Ambrosia