The coyote willow (Salix exigua) can be found across the entire state of Iowa.
Hardiness: Zones 4 through 6
Growth Rate: Rapid
Mature Shape: Irregular with dense crown
Height: 15-20 feet
Width: 13-18 feet
Site Requirements: Moist soil conditions
Flowering Dates: May
Seed Dispersal Dates: April - May
Seed Bearing Age: 2-3 years
Seed Bearing Frequency: Yearly
Seed Stratification: Seeds disperse in the spring and immediately germinate. No stratification period is needed.