4 - 24 inches
Dry grassland, forests, rocky areas
3 lbs per acre with approximately 800,000 seeds per lb
Thrives in the Willamette Valley of Oregon, with its 40” of yearly rain, to the high desert of Eastern Washington, Oregon, Idaho & Northern California, with often only 9” yearly. It rapidly spreads by producing an abundance of seeds. It is a host plant for the painted lady butterfly.
Planting Instructions: Use general ground prep method (click here).
Best planted in the fall since it requires 90 days of cold and moist period to break dormancy. Plant no more than 1/4 inch deep.