General Plant Information (Edit)
Plant Habit: Herb/Forb
Life cycle: Perennial
Sun Requirements: Full Sun
Minimum cold hardiness: Zone 5a -28.9 °C (-20 °F) to -26.1 °C (-15 °F)
Maximum recommended zone: Zone 9b
Plant Height: 22 to 32 inches (55-80cm)
Leaves: Unusual foliage color
Deciduous
Flowers: Showy
Flower Color: Blue
Bloom Size: 3"-4"
Flower Time: Late spring or early summer
Summer
Late summer or early fall
Suitable Locations: Xeriscapic
Uses: Cut Flower
Dried Flower
Wildlife Attractant: Butterflies
Resistances: Deer Resistant
Rabbit Resistant
Humidity tolerant
Salt tolerant
Containers: Suitable in 3 gallon or larger
Needs excellent drainage in pots
Miscellaneous: Patent/Plant Breeders' Rights: PP20,636

Image
Common names
  • Sea Holly
Also sold as:
  • Eryngium x zabelii
  • 'Myersblue'

Photo Gallery
Location: Northern California, Zone 9b
Date: 2019-07-12
Unique & interesting blooms emerge green with white veins and the
Location: Florissant, MO
Date: August 2013
Big Blue
Location: Northern California, Zone 9b
Date: 2020-05-30
Big Blue Sea Holly turning blue.
Location: Newby Hall, Yorkshire UK
Date: 2018-06-15
Location: St Louis
Date: 2016-06-11
Location: Northern California, Zone 9b
Date: 2020-05-12
Big Blue Sea Holly getting ready to turn blue and bloom.
Location: Cowells garden centre, Northumberland, England UK 
Date: 2023-06-07
Eryngium 'Big Blue'
Location: Temple, Texas
Date: 2021-10-07
Just received.  Will keep potted until stronger and then plant ou
Location: Tennessee
Date: 2013-06-04
Location: Hessenhof
Date: 2020-07-18
Location: Temple, Texas
Date: October 2021
New plant 6" pot awaiting planting on Central TX property.
Location: Wallsend, Tyne and Wear England UK 
Date: 2023-06-01
Eryngium 'Big Blue'
Location: Northern Illinois (Zone 5a)
Date: 2015-06-29
Location: Hessenhof
Date: 2020-07-18
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2020-07-11

Photo Courtesy of Lazy S'S Farm Nursery.
  • Uploaded by Joy
Location: Tennessee
Date: 2013-06-04
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2020-07-11
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2020-07-11

 Photo Courtesy of Select Seeds. Used with permission.
  • Uploaded by Joy
Location: RHS Harlow Carr, Yorkshire UK
Date: 2022-04-30
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-06-12

Photo courtesy of Select Seeds
Location: Tennessee
Date: 2013-06-04
Location: Hessenhof
Date: 2020-07-18
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-04-10
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-04-10
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-05-10
Location: RHS Harlow Carr, Yorkshire, UK
Date: 2021-06-12

Photo courtesy of Select Seeds
  • Uploaded by Joy
Comments:
Plant Events from our members
MissMew On September 17, 2019 Obtained plant
Replaced plant (Suzanne NVK) and moved to Back West
MissMew On July 23, 2017 Obtained plant
Suzanne
MrsBinWY On September 19, 2018 Transplanted
On 9-19-2018, planted 11 by 'Redheart' plum.
MrsBinWY On June 24, 2018 Potted up
11 pots with multiple seedlings in each pot
MrsBinWY On January 20, 2018 Seeds sown
WS seeds from ishareflowers
lovesblooms On February 16, 2020 Seeds sown
winter sown
lovesblooms On February 24, 2018 Seeds sown
winter sown
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