SafePlants

Ragweed Sagebrush: An Overview

Ragweed sagebrush, scientifically known as Artemisia franserioides, is often referred to simply as ragweed sagebrush. This plant is known for its allergenic pollen, which affects many people, especially during the late summer and fall.

Considerations for Pets and Children

• The primary concern related to ragweed sagebrush is its pollen, which is a known allergen.

Taxonomy and Nomenclature

• Scientific Name: Artemisia franserioides Greene
• Common Names: Ragweed Sagebrush, Ragged Sagebrush (occasionally)
• Family: Asteraceae (Sunflower Family)

Distribution and Habitat

• Ragweed sagebrush grows in western North America and is found in montane regions, including rocks and woodland openings.
• It can be found at elevations up to 10,000 feet.
• Specifically mentioned locations include the East Fork of the Dolores.

Morphological Characteristics

• Image 1206076 is of Artemisia franserioides foliage by Dave Powell at USDA Forest Service (retired).

Allergenic Properties

• The pollen from ragweed sagebrush is a significant allergen, comparable to ragweed and other common fall allergens.
• Allergies to sagebrush are prevalent in western North America.
• It's a significant cause of hay fever, second only to ragweed and grasses in some regions.
• Symptoms often occur during the fall when ragweed, sagebrush, and other weeds are pollinating.

Interactions with Other Organisms

• Sagebrush is mentioned in relation to pollen counts alongside other plants like ragweed, chenopods, and molds.

Further Information

• Information is available from the USDA Forest Service.