Plants that perform best in a railing basket during summer months when Seattle's precipitation is at its lowest point are those
that:
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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
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originate in the Mediterranean region such as rosemary, sage, lavender and thyme.
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survive in open grasslands and native scrub communitiies such as Calibrachoa or Million Bells, petunias and many
grasses.