Hoover's Eryngo
Eryngium aristulatum
Last reviewed: August 2026

Hoover's Eryngo (Eryngium aristulatum) is not on the ASPCA Animal Poison Control Center toxic plant list for dogs or cats (aspca.org (opens in new tab), last reviewed 2026-05-21). If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
4"–16" H × 4"–12" W
Bloom
Jun, Jul, Aug
Native to
CA
Pollinators
bees, beetles, flies
Before you buy
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Hoover's eryngo is a low-growing annual wildflower with spiny, thistle-like blooms in summer. It creates interesting structural elements with its blue-green foliage and compact growth habit, adding unique texture to dry gardens.
In an HOA neighborhood
Hoover's Eryngo is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 2 out of 5.
Works well in: mid zone, backyard only.
- Spiny appearance may be perceived as unfriendly
- Annual lifecycle means seasonal replanting or self-seeding areas
- Can appear somewhat weedy to untrained observers
Wildlife value
This native plant attracts various pollinators including bees, beetles, and flies. Its unusual flowers provide valuable nectar sources during summer months.
Common questions
- How much sun does Hoover's Eryngo need?
- Hoover's Eryngo grows best in full sun conditions.
- When does Hoover's Eryngo bloom?
- Hoover's Eryngo blooms in June, July, and August.
- Where is Hoover's Eryngo native?
- Hoover's Eryngo (Eryngium aristulatum) is native to CA, per vouchered herbarium specimen records and regional native plant society lists.
- Is Hoover's Eryngo toxic to dogs?
- Hoover's Eryngo is not on the ASPCA Animal Poison Control Center toxic plant list for dogs (aspca.org).
- Is Hoover's Eryngo toxic to cats?
- Hoover's Eryngo is not on the ASPCA Animal Poison Control Center toxic plant list for cats (aspca.org).
- What pollinators does Hoover's Eryngo attract?
- Hoover's Eryngo draws bees, beetles, and flies.
- Is Hoover's Eryngo HOA-friendly?
- Hoover's Eryngo is generally an HOA-friendly choice in the right placement, with moderate maintenance.
Native range data from vouchered herbarium specimen records and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.
Ready to grow Hoover's Eryngo? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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