Plants that perform best in a railing basket during summer months when Seattle's precipitation is at its lowest point are those
can tolerate dry conditions created by full exposure to light, wind and heat. Several plants in this category have built-in
systems to store water within their cells such as sedums, succulents and the ice plant
originate in the Mediterranean region such as rosemary, sage, lavender and thyme.
survive in open grasslands and native scrub communitiies such as Calibrachoa or Million Bells, petunias and many