Elkhorn Cedar
Thujopsis dolabrata
Cupressaceae · coniferous tree · introduced
Last updated
Plant Profile
Size & Form
Height
30–50 ft
Spread
32 ft
Growth Rate
Slow
Site Requirements
Light
Full Sun
Soil Drainage
Moist
Soil pH
4.5-8.5
Water
Moderate
Drought Tolerance
Moderate to high
Hardiness
Zones 5a–8b
Ornamental Interest
Bloom Time
Non-flowering
Origin
the moist forests of central and southern Japan
Watch for this season
Twig BlightModerate
Canker Development and Twig Dieback
LeafminerModerate
Larval Mining
Diseases: Regionally Documented (7)
Multiple fungal species cause twig blight on different ho... Twig Blight Phomopsis spp., Kabatina spp., and Pestalotiopsis spp. Shoot Tip Dieback Symptom category — not a single disease Leaf Blight Cedar Flagging Hendersonia coniothyrium Berckmann's Blight Phytophthora lateralis Port Orford cedar root rot Seiridium cardinale Seiridium Canker
Pests: Regionally Documented (7)
Cultivars (2)
'Nana'
Common name: Dwarf Elkhorn Cedar; Mature height: 2 ft
Hardy to USDA Zone 6
'Variegata'
Common name: Variegated Hibi Arborvitae; Mature height: 6 ft
Hardy to USDA Zone 6
Data Maturity Structured Multiple sources. Expert review underway.