Good Questions: Flowers to Attract Hummingbirds?

(Image credit: Apartment Therapy)

Rani has a question for the garden saavy: My question is which flowers would work in a window box and attract hummingbirds? All tips and tricks very very welcome! I live in San Francisco if that’s of any help.

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If you can, please let Rani know which flowers to plant in her window box….thanks!