Equisetum arvense

Common Horsetail, Field Horsetail: Rhizomatic, perennial CA native with erect, segmented stems to 2' tall. One of the most primitive vascular plants on Earth. Great in containers, can get invasive in gardens with regular moisture. Used in herbal healing remedies. Part sun to part shade. Medium to high water. Seacoast, heat, bog, clay, sand and drought tolerant once established but prefers occasional irrigation. Deer resistant.