Laurel
Salix pentandra
Salicaceae · broadleaf deciduous tree · introduced
Last updated
Quick Facts
Height
30–45 ft
Growth Rate
Fast
Light
Sun to Part Shade
Soil
Wet Tolerant
Water
High
Hardiness
Zone Zones 3a–8b
Bloom Time
Jun 15-Aug 15
Origin
Europe
Watch for this season
RustHigh
Aecial Stage (Alternate Host)
Wood DecayHigh
Wound Infection Window
Oystershell scaleHigh
Crawler Emergence
Tent caterpillarHigh
Larval Feeding
+ 5 more — see full disease and pest lists below
Phenological Calendar
| Stage | Typical Window |
|---|---|
| Bud break BBCH 07 | Feb 15-Mar 15 |
| Leaf emergence BBCH 11 | Mar 1-Apr 1 |
| Bloom start BBCH 61 | Jun 15-Aug 15 |
| Bloom end / petal fall BBCH 69 | Jul 15-Aug 31 |
| Fruit/seed development BBCH 71 | Mar 15-May 31 |
| Fruit/seed maturity BBCH 85 | Sep 1-Nov 30 |
| Fall color / leaf senescence BBCH 93 | Oct 1-Nov 15 |
| Dormancy BBCH 97 | Nov 15-Feb 28 |
Diseases: Regionally Documented (11)
Physiological shothole Symptom category — not a single disease Canker Rhizobium radiobacter (formerly Agrobacterium tumefaciens) Crown Gall Symptom category — not a single disease Leaf Spot Chondrostereum purpureum Silver Leaf Venturia spp. or Fusicladium spp. (specific oak pathogen ... Twig Blight (Scab) Multiple Basidiomycete fungi cause wood decay in trees Wood Decay Multiple genera (Melampsoridium, Thekopsora, Naohidemyces... Rust Pseudomonas syringae (bacterial) Bacterial twig blight Marssonina spp. Marssonina leaf and twig spot Venturia spp. Twig blight (Venturia)
Pests: Regionally Documented (13)
Cacoecimorpha pronubana Carnation tortrix Prionoxystus robiniae Carpenterworm Cryptorhynchus lapathi Poplar and willow borer Leucoma salicis Satin moth Nymphalis antiopa Spiny elm caterpillar Aphidoidea Aphid Acanthococcus azaleae Azalea bark scale Hyphantria cunea Fall webworm Chrysomelidae: Alticini Flea beetle Lepidosaphes ulmi Oystershell scale Malacosoma spp. Tent caterpillar Rabdophaga rigidae Willow beaked-gall midge Tuberolachnus salignus Giant willow aphid
Data Maturity Structured Multiple sources. Expert review underway.