Juniperus horizontalis

Cupressaceae Juniperus horizontalis Moench

Etymology
Juniperus refers to the Latin name for junipers.
horizontalis refers to ‘horizontal’; indicating its prostrate growth habit.

Colloquial Name
Horizontal juniper, Waukegan juniper

Distribution

This map shows botanical records (points) for this taxon. By opening the map’s sidebar (collapsed by default) you can toggle visibility or change the basemap. By clicking on records, you reveal more information.

TDWG Codes
7, 70, ASK, NUN, NWT, YUK, 71, ABT, BRC, MAN, SAS, 72, LAB, NBR, NSC, NFL, NFL-NE, ONT, PEI, QUE, 73, MNT, WYO, 74, ILL, IOW, MIN, MSO, NEB, NDA, SDA, WIS, 75, MAI, MAS, MIC, NWY, VER, 78, VRG

Habitat
The natural habitats for Juniperus horizontalis are boreal forests, subarctic grasslands, temperate grasslands, coastal sand dunes , boreal shrublands, bogs/marshes/swamps/fens/peatlands . It is naturally found at an elevation of at least 1 up to 1200 metres. Other conifers associated with Juniperus horizontalis are:

USDA Hardiness zone – 4
Juniperus horizontalis is hardy to USDA Zone 4 (Bannister & Neuner, 2001), meaning its frost tolerance lies somewhere in the range of -34.4C (-30F) to 28.9C (-20F).

Species Continuity
The population trend for Juniperus horizontalis is stable. There are no known threats for Juniperus horizontalis.

IUCN Category – LC
According to the IUCN Red List, Juniperus horizontalis has been assigned the status of LC(Least Concern). This means that according to the Red List criteria, this species is not qualified as threatened.

Superordinate Taxa
The nearest superordinate taxon for Juniperus horizontalis is Sect. Sabina. The coordinate taxa for Juniperus horizontalis are therefore:

Juniperus horizontalis is further placed under Cupressoideae. Juniperus horizontalis is also placed under Cupressaceae.

Cultivars
‘Admirabilis’, ‘Adpressa’, ‘Alpina’, ‘Andorra Compact’, ‘Andorra Variegata’, ‘Argentea’, ‘Aunt Jemima’, ‘Banff’, ‘Bar Harbor’, ‘Black Hill Creeper’, ‘Blue Acres’, ‘Blue Arp’, ‘Blue Chip’, ‘Blue Forest’, ‘Blue Horizon’, ‘Blue Mat’, ‘Blue Mist’, ‘Blue Moon’, ‘Blue Pearl’, ‘Blue Pygmy’, ‘Blue Rug’, ‘Cabot Trail’, ‘Clearwater Blue’, ‘Coast of Maine’, ‘Douglasii’, ‘Dunvegan Blue’, ‘Emerald Green’, ‘Emerald Isle’, ‘Emerald Spreader’, ‘Emerson’, ‘Eximia’, ‘Filicina’, ‘Filicina Minima’, ‘Fountain’, ‘Girard’, ‘Glacier’, ‘Glauca’, ‘Glauca Major’, ‘Glenmore’, ‘Glomerata’, ‘Golden Carpet’, ‘Gold Fever’, ‘Gold Spot’, ‘Gold Strike’, ‘Gracilis’, ‘Green Acres’, ‘Gregory Ferry’, ‘Grey Carpet’, ‘Grey Pearl’, ‘Hermit’, ‘Hughes’, ‘Huntington Blue’, ICEE BLUE, ‘Jade River’, ‘Jade Spreader’, ‘Limeglow’, ‘Livida’, ‘Livingston’, ‘Magic Carpet’, ‘Marcella’, ‘Marshall’, ‘Minima’, ‘Monber’, ‘Montana’, ‘Mother Lode’, ‘Neumann’, ‘Pancake’, ‘Petraea’, ‘Planifolia’, ‘Plumosa’, ‘Plumosa Compacta’, ‘Plumosa Youngstown’, ‘Prince of Wales’, ‘Prostrata’, ‘Pulchella’, ‘Repens’, ‘Schmidt’, ‘Schoodic Point’, ‘Silver Sheen’, ‘Sunspot’, ‘Turquoise Spreader’, ‘Two Medicine’, ‘Variegata’, ‘Venusta’, ‘Villa Marie’, ‘Viridis’, ‘Wapiti’, ‘Watnong’, ‘Waukegan’, ‘Webber’, ‘Wilms’, ‘Wiltonii’, ‘Winter Blue’, ‘Wisconsin’, ‘Youngstown’, ‘Yukon Belle’