Blue flowering trees

ceanothus image by Alison Bowden from

Blue-flowering trees exist, although they aren't common. Their striking flowers -- ranging from the palest sky blue to deep, nearly purple hues -- provide a focal point in your yard. Gardeners can choose from shrublike trees to full-sized trees that are better suited for large residential properties or parks.

Blue blossom

The blue blossom tree, Ceanothus thyrsiflorus, comes from California in the USA. It lives up to its name with clustered blue flowers. Depending on the variety, blossoms may be almost white, light blue or dark blue. Blue blossom trees may grow up to 5.4 m (18 feet) tall. They are fast-growing and drought tolerant.


Jacaranda mimosifolia is a large, tropical tree with vivid, lavender-blue flowers. The flowers form in drooping, bell-shaped clusters and last through spring and summer. The tree can grow across the UK. Jacaranda trees can grow 7.5 to 12 m (25 to 40 feet) tall.

Wild lilac hybrids

Several hybrids of the wild lilac, ceanothus, produce blue flowers. "Frosty Blue" is an evergreen growing 2.4 m (8 feet) tall and wide. In the spring, it produces clusters of mid-blue flowers. "Blue Jeans" has darker flowers and "Dark Star" is a dark, almost purple, blue. Both grow up to 1.8 m (6 feet) tall.

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