trefle.io · Taken Jan 21, 2019 by Dieter Wagner (cc-by-sa)
Apiaceae
Eryngo
Eryngium campestre
Also known as Eryngium, Sea holly, Button snakeroot, Eryngium vulgare
Native Plants · Drought Tolerant · Architectural · Spiny · Gravel Garden · Mediterranean · Perennial · Wildflower · Pollinator · Apiaceae · Silver-Blue
Eryngo is a striking, architectural perennial with spiny, thistle-like foliage that excels in hot, dry, and exposed conditions. Once established it is exceptionally drought tolerant and requires very little maintenance, making it ideal for gravel gardens, dry borders, and Mediterranean-style plantings. Its silvery-blue flower heads are highly attractive to bees and butterflies from midsummer into autumn.
Growing conditions
The details behind the basics
- Daily light
- 8 hours
- Watering
- Water sparingly; allow soil to dry out completely between waterings · Every 10-14 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 7.5–8
- Temperature
- -20°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 5a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 24 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Albania, Algeria, Austria, Baleares, Belgium, Bulgaria, Central European Rus, Corse, Cyprus, Czechoslovakia, Denmark, East Aegean Is., Egypt, France, Germany, Great Britain, Greece, Hungary, Iran, Iraq
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
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