Eryngium, Sea Holly 'Sunny Jackpot'

Eryngiumplanum

Family
Apiaceae (ay-pee-AY-see-ee)
Genus
Eryngium (er-RIN-jee-um)
Species
planum (PLAN-um)
Synonym
Sun Exposure
Full Sun
Foliage
Grown for foliage
Good Fall Color
Height
24-36 in. (60-90 cm)
Spacing
18-24 in. (45-60 cm)
Hardiness
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
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)
Bloom Color
Medium Blue
Bloom Time
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall
Other Details
Category
Perennials
Water Requirements
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Patent Information
Patented
Propagation Methods
By dividing the rootball
From herbaceous stem cuttings
From woody stem cuttings
From softwood cuttings
From seed; winter sow in vented containers, coldframe or unheated greenhouse
From seed; direct sow after last frost
Scarify seed before sowing
Seed Collecting
Allow pods to dry on plant; break open to collect seeds
Allow seedheads to dry on plants; remove and collect seeds
Properly cleaned, seed can be successfully stored
Regional

Featured Videos

Gardener's Notes:

0
positive
0
neutral
0
negative
Sort By:
Sort By:
Featured
Green Stink Bug
(Nezara viridula)
Eastern Bluebird
(Sialia sialis)
Featured
Green Stink Bug
(Nezara viridula)
Eastern Bluebird
(Sialia sialis)