Laurel

Salix pentandra

Salicaceae · broadleaf deciduous tree · introduced

Last updated May 11, 2026

Plant Profile

Size & Form

Height

30–45 ft

Growth Rate

Fast

Size at 20 yr

30 ft

Lifespan

Long-lived

Site Requirements

Light

Sun to Part Shade

Soil Drainage

Wet Tolerant

Soil pH

6.5-7.5

Water

High

Drought Tolerance

Low

Hardiness

Zones 3a–8b

Ornamental Interest

Bloom Time

Jun 15-Aug 15

Origin

Europe

RustHigh

Uredinial Stage (Summer)

Wood DecayHigh

Wound Infection Window

AphidHigh

Peak Population & Dispersal

Fall webwormHigh

Larval Feeding & Web Building

+ 5 more — see full disease and pest lists below

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

Phenological Calendar

View full calendar (8 stages)

Stage	Typical Window	What to Look For
Bud break BBCH 07	Feb 15-Mar 15	Buds swelling and beginning to open; first green tissue visible
Leaf emergence BBCH 11	Mar 1-Apr 1	First leaves fully unfurled on new growth
Bloom start BBCH 61	Jun 15-Aug 15	First open flowers visible; flowers yellow
Bloom end / petal fall BBCH 69	Jul 15-Aug 31	Last petals falling; flower structures fading
Fruit/seed development BBCH 71	Mar 15-May 31	Fruit or seed structures forming; fruit color: brown
Fruit/seed maturity BBCH 85	Sep 1-Nov 30	Fruit fully colored and ripened; seed dispersal may begin
Fall color / leaf senescence BBCH 93	Oct 1-Nov 15	Leaves changing color; fall display beginning
Dormancy BBCH 97	Nov 15-Feb 28	Leafless; no active growth; dormant buds set

Data Maturity

Structured Multiple sources. Expert review underway.