Weeping Hemlock
Tsuga canadensis var. pendula
Pinaceae · coniferous shrub · introduced
Last updated
Quick Facts
Height
6 ft
Growth Rate
Slow
Light
Part Shade
Soil
Well Drained
Water
Moderate
Hardiness
Zone Zones 4a–9b
Bloom Time
Non-flowering
Watch for this season
RustHigh
Aecial Stage (Alternate Host)
Wood DecayHigh
Wound Infection Window
Pine needle scaleHigh
Crawler Emergence
Armillaria Root RotModerate
Active Below-ground Growth
+ 2 more — see full disease and pest lists below
Phenological Calendar
| Stage | Typical Window |
|---|---|
| New growth flush BBCH 11 | Feb 15-Mar 15 |
| Pollen release BBCH 61 | Apr 1-Apr 30 |
| Pollen shed complete BBCH 69 | Apr 15-May 15 |
| Cone development BBCH 71 | Jun 1-Aug 31 |
| Cone maturity and seed shed BBCH 85 | Sep 1-Nov 30 |
Diseases: Regionally Documented (11)
Phytophthora spp. (P Phytophthora Root Rot Heterobasidion occidentale Otrosina & Garbel Heterobasidion Root Disease Armillaria spp. — primarily A Armillaria Root Rot Drought Injury Arceuthobium spp. (parasitic plant) Dwarf Mistletoe Gray Mold Coniferiporia sulphurascens Laminated Root Rot Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Multiple pathogens cause shoot blight on different hosts:... Shoot Blight Rhizoctonia spp. (binucleate) Web Blight Multiple Basidiomycete fungi cause wood decay in trees Wood Decay
Pests: Regionally Documented (5)
Data Maturity Structured Multiple sources. Expert review underway.