Meadow willow (Salix petiolaris) can be found through north central and eastern Iowa.
Hardiness: Zones 3 through 8
Growth Rate: Moderate
Mature Shape: A low growing, clumped shrub with slender, upraised stems
Height: 10 feet
Width: 10 feet
Site Requirements: Full sun; tolerates clay, loam, sand acidic, alkaline, and well drained soil
Flowering Dates: May - June
Seed Dispersal Dates: June - July
Seed Bearing Age: Optimum seed bearing between 8 and 25 years
Seed Bearing Frequency: Yearly
Seed Stratification: Seeds disperse in the spring and immediately germinate. No stratification period is needed.