Canadian Hemlock
Tsuga canadensis
Pinaceae · conifer · introduced
Quick Facts
Height
40–80 ft
Spread
26 ft
Growth Rate
Slow
Light
Part Shade
Soil
Well Drained
Water
Moderate
Hardiness
Zone Zones 3b–8b
Bloom Time
Non-flowering
Origin
from Nova Scotia to Minnesota and south to the mountains of
Phenological Calendar
| Stage | Typical Window |
|---|---|
| New growth flush BBCH 11 | Feb 15-Mar 15 |
| Bloom start BBCH 61 | Apr 1-Apr 30 |
| Bloom end / petal fall BBCH 69 | Apr 15-May 15 |
| Fruit/seed development BBCH 71 | Jun 1-Aug 31 |
| Fruit/seed maturity BBCH 85 | Sep 1-Nov 30 |
Diseases (12)
Phytophthora spp. (P Phytophthora Root Rot
Heterobasidion annosum (syn. Fomes annosus) Annosus Root Rot
Armillaria ostoyae Armillaria Root Rot
Many conifers Drought Injury
Arceuthobium spp. (parasitic plant) Dwarf Mistletoe
Botrytis cinerea Gray Mold
Heterobasidion Root Disease
Coniferiporia sulphurascens Laminated Root Rot
Thekopsora minima and Naohidemyces vaccinii Rust
Shoot Blight
Rhizoctonia spp. (binucleate) Web Blight
Limb and Wood Decay
Pests (7)
Cultivars (7)
Albospica
Common name: White Tipped Canadian Hemlock Albospica Canadian Hemlock
Betty Rose
Common name: Betty Rose Canadian Hemlock
Coles Prostrate
Common name: Cole's Prostrate Canadian Hemlock; Mature height: 1 ft
Gentsch White
Common name: Gentsch White Canadian Hemlock; Mature height: 5 ft
Horsford
Common name: Horsford Canadian Hemlock; Mature height: 1 ft
Little Joe
Common name: Little Joe Canadian Hemlock
Summer Snow
Common name: Summer Snow Hemlock Summer Snow Eastern Hemlock; Mature height: 6–15 ft