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Cypress vine is undoubtedly one of the most beautiful annual vines. It bears lots of scarlet, trumpet-shape flowers that hummingbirds adore. Like morning glory (to which it's closely related), the flowers close up in the afternoon. But even without the blooms, its feathery, finely cut foliage looks great. Note: All parts of this plant, especially the seeds, are poisonous.
garden plans for Cypress vine
more varieties for Cypress vine
'Funny Valentine' cypress vine
Ipomoea quamoclit 'Funny Valentine' mix bears trumpet-shape flowers in pink, red, and white. It climbs to 20 feet.