Blueflower Eryngo
Eryngium integrifolium
Last reviewed: August 2026
Eryngium integrifolium, or blueflower eryngo, is a low-water forb that blooms from July through September and thrives in full sun on sandy or well-drained soils across the southeastern coastal plain.
Toxicity unknown
Blueflower Eryngo (Eryngium integrifolium) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.
Light
full sun
Water
low
Size
12"–24" H × 6"–12" W
Bloom
Jul, Aug, Sep
Native to
AL, FL, GA, LA and 4 more states
Pollinators
bees, butterflies, beetles
Before you buy
Your city may pay you to plant this
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Blueflower eryngo is a compact native perennial with distinctive thistle-like blue flowers that bloom from July through September. This drought-tolerant wildflower forms neat clumps and requires minimal care once established in sunny locations.
Growing Blueflower Eryngo
Grow Blueflower Eryngo in full sun and low water. Mature plants reach 12 to 24 inches tall and spread 6 to 12 inches wide. Expect low maintenance to keep it looking intentional in a front yard.
In an HOA neighborhood
Blueflower Eryngo takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.
Works well in: backyard only.
- Spiky, thistle-like appearance may be perceived as weedy
- Uncommon plant that neighbors might not recognize as intentional landscaping
- Winter dormancy period creates bare spots
Wildlife value
The spiky blue flowers attract a diverse range of pollinators including native bees, butterflies, and beetles. Seeds provide food for birds in fall and winter.
Common questions
- When does Eryngium integrifolium bloom?
- Blueflower eryngo typically flowers from July through September, producing small blue-tinged flower heads on upright stems.
- What pollinators does Eryngium integrifolium attract?
- Its flower heads draw bees, butterflies, and beetles during the summer bloom period.
- What growing conditions suit Eryngium integrifolium best?
- This forb performs best in full sun with low water needs, making it a good fit for dry, open sites with sandy or well-drained soil.
- Does Eryngium integrifolium need regular watering once established?
- No, established plants tolerate low soil moisture well and do not require frequent watering, especially in sandy or coastal plain settings.
- Is Blueflower Eryngo HOA-friendly?
- Blueflower Eryngo takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.
These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.
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 Blueflower Eryngo? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.
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