Details for: PI 564264, Juniperus rigida Siebold & Zucc. subsp. conferta (Parl.) Kitam., 'Blue Lagoon'


Summary Data
Taxonomy:
Juniperus rigida Siebold & Zucc. subsp. conferta (Parl.) Kitam.
Cultivar:
'Blue Lagoon'
Origin:
Collected – Japan
Maintained:
National Arboretum
Received by NPGS:
30 Nov 1992
Improvement Status:
Cultivar
Form Received:
Cutting
Life Form:
Shrub
Availability
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Core Passport Data
Taxonomy:
Juniperus rigida Siebold & Zucc. subsp. conferta (Parl.) Kitam.
Cultivar:
'Blue Lagoon'
Origin:
Collected – Japan
Maintained:
National Arboretum
Received by NPGS:
30 Nov 1992
Improvement Status:
Cultivar
Form Received:
Cutting
Life Form:
Shrub
Source History
Donated
30 November 1992.
District of Columbia, United States

Donor(s):
Accession Names and Identifiers
'Blue Lagoon'
Type: Cultivar name

NA 40040
Type: Site identifier
Group: NA
U.S. National Arboretum

C&M 1176
Type: Exploration identifier
Group: PEO-EXPLORATIONS
Exploration ID links

Narrative
Plant lower growing and more compact than the species or other cultivars. Forms dense, tight mat at maturity. Plant height 6 inches. Branches dense. Annual growth rate only 8-10 inches in width. Plant color medium, blush-green with single, white stomatic band on each needle. Average needle length 1 1/4mm. Winter foliage plum color. Entirely hardy in USDA Zone 5. Withstood low temperatures of -19 deg. C in evaluation plantings. Propagates easily by either soft or hardwood cuttings. Prefers full sun in any well-drained soil.
Juniperus rigida Siebold & Zucc. subspp. conferta (Parl.) Kitam.
Genus:
Juniperus
Family:
Cupressaceae
Nomen number:

453933
Place of publication:

Acta Phytotax. Geobot. 26:9. 1974
Verified:
07/13/2007 by ARS Systematic Botanists.
Other conspecific taxa
Juniperus rigida Siebold & Zucc. (9 active accession[s])
Juniperus rigida Siebold & Zucc. subsp. rigida (0 active accession[s])
Autonyms (not in current use), synonyms and invalid designations
Basionym
Juniperus conferta Parl.

Heterotypic Synonym(s)
Juniperus litoralis Maxim.

Common names
LanguageNameAlternate namenoteseqCitation
Englishcompact juniper  1Adams, R. P. 2008. Junipers of the world: the genus Juniperus, ed. 2
Englishshore juniper  1Farjon, A. 2005. A monograph of Cupressaceae and Sciadopitys 363-364.
Japanese Rōmajihai-matzu  2Farjon, A. 2005. A monograph of Cupressaceae and Sciadopitys 363-364.
Japanese Rōmajihai-muro  2Farjon, A. 2005. A monograph of Cupressaceae and Sciadopitys 363-364.
Japanese Rōmajihai-nezu  2Farjon, A. 2005. A monograph of Cupressaceae and Sciadopitys 363-364.
Swedishstrand-en  2Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Annotations
  • Nomenclature Name Change: 23 Apr 2021, from Juniperus conferta Parl. to Juniperus rigida Siebold & Zucc. subsp. conferta (Parl.) Kitam.
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