Leavenworth's Eryngo

Eryngium leavenworthii

Leavenworth's eryngo is a spectacular violet-purple annual eryngo that turns late-summer prairies amethyst, a magnet for pollinators. Thrives on hot, dry, alkaline ground.

Family: Apiaceae
Type: wildflower
Lifespan: annual
Height: 1–3 ft
Spacing: 1–2 ft apart
Light: sun
Soil moisture: dry
Soil pH: neutral, alkaline
Bloom: July, August, September
Bloom colors: purple, blue
Wildlife value: pollinators, butterflies
Landscape uses: border
Native states: KS, OK, TX