345518
It is not frost hardy , but is often grown in warmer latitudes for its prominent arching velvety blue or purple inflorescence s. It grows up to high and wide , with numerous erect stems , often arching at their tips , and with long inflorescence s. The linear-lanceolate leaves are a soft mid-green , with whitish , hairy undersides .
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Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
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