Eryngium Species, Rattlesnake Master, Eryngo, Snakeroot, Sea Holly

Eryngiumaquaticum

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Eryngium (er-RIN-jee-um)
Species
aquaticum (a-KWA-ti-kum)
Synonym
Eryngium plukenetii
Eryngium praealtum
Eryngium virginianum
Sun Exposure
Sun to Partial Shade
Height
18-24 in. (45-60 cm)
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Hardiness
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
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)
Danger
N/A
Bloom Color
Lavender
White/Near White
Silver/Gray
Bloom Time
Late Summer/Early Fall
Mid Fall
Other Details
Category
Biennials
Perennials
Water Requirements
Requires consistently moist soil; do not let dry out between waterings
Foliage Color
Where to Grow
Bloom Characteristics
Flowers are good for drying and preserving
This plant is attractive to bees, butterflies and/or birds
Bloom Size
Other details
Soil pH requirements
Patent Information
Propagation Methods
Seed Collecting
Regional

This plant is said to grow outdoors in the following regions:

Alachua, Florida

La Grange Park, Illinois

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Gardener's Notes:

0
positive
0
neutral
0
negative
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