Hoover's Eryngo
Eryngium aristulatum
Last reviewed: September 2026
Hoover's Eryngo (Eryngium aristulatum) is not flagged as toxic to dogs or cats by Plants For A Future (PFAF) (opens in new tab) (last reviewed 2026-05-21). This verdict does not come from the ASPCA. 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
Your city may pay you to plant this
Cities and water utilities offer rebates for replacing lawn with native and water-wise plants. We track 459 programs across 44 states, each with a link to the provider and the date we last checked it.
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Browse plants for this ecoregion
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: front yard, mid zone.
- 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 flagged as toxic to dogs by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
- Is Hoover's Eryngo toxic to cats?
- Hoover's Eryngo is not flagged as toxic to cats by Plants For A Future (PFAF). This verdict does not come from the ASPCA.
- 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.
If something looks wrong
Common plant problems, and what to check first
These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.
- It is dying right after planting
- Leaves turning yellow
- Wilting even though I watered it
- Brown crispy leaf tips
- Bugs on the plant
Ready to grow Hoover's Eryngo? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.