How long do blanket flowers bloom? aristata. The perennial blanket flower, Gaillardia grandiflora is available in different cultivars, such as the recently introduced 'Oranges and Lemons', 'Dazzler' and 'The Sun'. Flower stems reach 1 to 3 feet (30-90 cm.) and bloom from early summer until frost arrives when getting proper blanket flowers care link
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