Eryngium Species, Mexican Thistle, Wright's Eryngo

Eryngiumheterophyllum

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Eryngium (er-RIN-jee-um)
Species
heterophyllum (het-er-oh-FY-luh)
Synonym
Eryngium altamiranoi
Eryngium confusum
Eryngium endlichii
Eryngium medium
Eryngium wrightii
Sun Exposure
Full Sun
Foliage
Herbaceous
Height
6-12 in. (15-30 cm)
12-18 in. (30-45 cm)
18-24 in. (45-60 cm)
Spacing
9-12 in. (22-30 cm)
12-15 in. (30-38 cm)
15-18 in. (38-45 cm)
Hardiness
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
USDA Zone 11: above 4.5 °C (40 °F)
Danger
Handling plant may cause skin irritation or allergic reaction
Plant has spines or sharp edges; use extreme caution when handling
Bloom Color
Light Blue
Bloom Time
Mid Summer
Late Summer/Early Fall
Mid Fall
Other Details
Category
Herbs
Perennials
Water Requirements
Drought-tolerant; suitable for xeriscaping
Foliage Color
Where to Grow
Bloom Characteristics
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Bag seedheads to capture ripening seed
Allow seedheads to dry on plants; remove and collect seeds
Regional

Featured Videos

Gardener's Notes:

1
positive
0
neutral
0
negative
Sort By:
Sort By:
M
M
Benton, KY (Zone 7a) | February 2005 | positive

Prickly white bracts surrounding pale blue flowers on dome like head atop a thistle-like plant.

It grows in sandy soil , g...Read More

Featured
Feathered Thorn
(Colotois pennaria)
Southern Black Flycatcher
(Melaenornis pammelaina)
Featured
Feathered Thorn
(Colotois pennaria)
Southern Black Flycatcher
(Melaenornis pammelaina)