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It varies dramatically in form and size over its natural range, with some plants growing fairly upright to 30 feet and others growing in a mounding form to only 2-3 feet tall. Blue blossom Ceanothus is evergreen, with leaves range from bright green to dark green. It has small flowers that are produced in a dense, puff-shaped clusters, that are white, light blue, dark blue or purple. They bloom in the winter or spring, and then mature into a dry, three-lobed seed capsule. Its flowers are important for bees and butterflies, and its seed pods are an important food source for birds and small mammals. Description from calscap.org
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