Ambrosia psilostachya
$1.65 – $8.00
We do not take online orders for plants. Please come in to the nursery, call or email: (510) 234-2222 or sales@thewatershednursery.com
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Western ragweed
This perennial plant is usually 1-2′ tall, but sometimes it becomes considerably higher.
The blooming period can occur from mid-summer to autumn, lasting about 1-3 weeks for a colony of plants.
Like other ragweeds, the airborne pollen of Western Ragweed can cause allergic reactions in people during the late summer and fall.
Sun: Full Sun
Water: Dry, Light
Soil: Clay, Loam, Sand, Rocky
Other: Attracts Butterflies, Attracts Birds, Drought Tolerant
| Container | D-16-O, D-16SO, D-40-O, D-16, D-16S, D-16S-o |
|---|---|
| Ecological Value | This plant has high ecological value to birds, grasshoppers, and other insects. |
| Historical Uses | This plant had a number of medicinal uses among several different Native American tribes, including the Cheyenne, Kumeyaay (Diegueno), and Kiowa people |
| Distribution | Native to California and is also found elsewhere in North America and beyond. |
| Elevation | Between 0 to 5940 ft |
| Communities | |
| Habitat | Disturbed areas especially if the soil contains clay, sand, or gravel. |
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