Plant Zones Seattle. 13B is the warmest zone which averages a minimum temperature of 70 degrees Fahrenheit. Black-eyed Susan Canna Dahlia Hydrangea Rhododendrons Wisteria Zinnia.
810 rows Zone 8a. At Swansons were dedicated to growing the smartest most adventurous and healthiest gardeners in the Pacific Northwest. Based on the 1990 USDA Hardiness Zone Map this interactive version covers the state of Washington which ranges from USDA Zone 4b to.
Plants preferring these conditions usually like to be shaded from the intense afternoon sun.
Part sun and part shade. Based on the 1990 USDA Hardiness Zone Map this interactive version covers the state of Washington which ranges from USDA Zone 4b to. Prefer 4-8 hours of direct sunlight per day. Seattle Washington Hardiness Zone Map.