Salix nigra
Black Willow
Tree Characteristics
Leaves:
Deciduous
Height:
9 - 18m
Width:
9 - 18m
Growth Rate:
Fast
Tree Tolerances
Plant Hardiness Zone:
4, 5, 6
Shade Tolerance:
Full Sun
pH Tolerance:
Tolerant of acid to slightly alkaline soil (pH 5.0 to 7.5)
Drought Tolerance:
Low
Flooding Tolerance:
High
Salt Spray Tolerance:
Unknown
Soil Salt Tolerance:
Unknown
Planting site and Native Range
Planting Site:
Naturalization, Parks, Highway, Residential
Native to Ontario:
Yes
Native to North America:
Yes
Insects and Diseases
Just like Poplar (Populus) species, Willows (Salix) are also affected by many pests and diseases. Some of these pests and diseases include canker, blight, aphids, scale, borers, etc. Although there are many pests and diseases, this species makes an excellent specimen tree in wet areas where most trees have difficulty growing.
Management Notes
- Susceptible to storm breakage
- Shallow, aggressively spreading and suckering root system can cause problems for infrastructure