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Blue Blossom

Ceanothus Thyrsiflorus

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Overview

Ceanothus thyrsiflorus, or Blue Blossum, is an evergreen shrub with vibrant blue flowers that bloom in spring. It typically grows 6 to 9 feet high and spreads 6 to 9 feet wide. This drought-tolerant plant prefers full sun and well-drained soil. Its dense foliage and quick growth make it ideal for hedges, screens, and wildlife attraction, offering nectar for pollinators. Hardiness zones: 7-10.

Sun Full, HalfWater LowZones 7–10Type Shrub
Blue Blossom (Ceanothus Thyrsiflorus) — Its dense foliage and quick growth make it ideal for hedges; offering nectar for pollinators
Blue Blossom (Ceanothus Thyrsiflorus) — It typically grows 6 to 9 feet high and spreads 6 to 9 feet wide; blue Blossom erupts into a profusion of, image 42Blue Blossom (Ceanothus Thyrsiflorus) — commonly referred to as the Blue Blossom or California LilacBlue Blossom (Ceanothus Thyrsiflorus) — it is an ideal choice for gardeners seeking a low-water landscape with a high visual impact; shrub for full or halfBlue Blossom (Ceanothus Thyrsiflorus) — although it can tolerate partial shadeBlue Blossom (Ceanothus Thyrsiflorus) — Blue Blossom erupts into a profusion of vibrant cerulean blooms which are arranged in dense; it prefers, image 51Blue Blossom (Ceanothus Thyrsiflorus) — offering nectar for pollinators; ranging from 1 to 2 inches in length+69

Culture

Sun
Full, Half
Water
Low
USDA zones
7–10

Shape & size

Classification

Type
Shrub
Family
Rhamnaceae

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Photos (76)

Blue Blossom (Ceanothus Thyrsiflorus) — Its dense foliage and quick growth make it ideal for hedges; offering nectar for pollinators
Blue Blossom (Ceanothus Thyrsiflorus) — It typically grows 6 to 9 feet high and spreads 6 to 9 feet wide; blue Blossom erupts into a profusion of, image 42
Blue Blossom (Ceanothus Thyrsiflorus) — commonly referred to as the Blue Blossom or California Lilac
Blue Blossom (Ceanothus Thyrsiflorus) — it is an ideal choice for gardeners seeking a low-water landscape with a high visual impact; shrub for full or half
Blue Blossom (Ceanothus Thyrsiflorus) — although it can tolerate partial shade
Blue Blossom (Ceanothus Thyrsiflorus) — Blue Blossom erupts into a profusion of vibrant cerulean blooms which are arranged in dense; it prefers, image 51
Blue Blossom (Ceanothus Thyrsiflorus) — offering nectar for pollinators; ranging from 1 to 2 inches in length
Blue Blossom (Ceanothus Thyrsiflorus) — the shrub can achieve a stately presence of 6 to 12 feet in height with a spread of 6 to 10 feet; renowned, image 53
Blue Blossom (Ceanothus Thyrsiflorus) — Renowned for its drought tolerance
Blue Blossom (Ceanothus Thyrsiflorus) — the shrub can achieve a stately presence of 6 to 12 feet in height with a spread of 6 to 10 feet; renowned for its
Blue Blossom (Ceanothus Thyrsiflorus) — it is an ideal choice for gardeners seeking a low-water landscape with a high visual impact; shrub for full, image 49
Blue Blossom (Ceanothus Thyrsiflorus) — it is an ideal choice for gardeners seeking a low-water landscape with a high visual impact
Blue Blossom (Ceanothus Thyrsiflorus) — is a captivating evergreen shrub known for its vigor and stunning display of blue flowers; commonly, image 47
Blue Blossom (Ceanothus Thyrsiflorus) — shrub with blue blooms; from around April to June
Blue Blossom (Ceanothus Thyrsiflorus) — Once established, Blue Blossom requires minimal watering, embodying the principles of water-wise landscaping
Blue Blossom (Ceanothus Thyrsiflorus) — it prefers well-drained soil and a full sun exposure; although it can tolerate partial shade
Blue Blossom (Ceanothus Thyrsiflorus) — ranging from 1 to 2 inches in length; ceanothus thyrsiflorus, or Blue Blossum, is an evergreen shrub with vibrant blue
Blue Blossom (Ceanothus Thyrsiflorus) — although it can tolerate partial shade; it typically grows 6 to 9 feet high and spreads 6 to 9 feet wide
Blue Blossom (Ceanothus Thyrsiflorus) — offering nectar for pollinators; ranging from 1 to 2 inches in length, image 45
Blue Blossom (Ceanothus Thyrsiflorus) — Its dense foliage and quick growth make it ideal for hedges
Blue Blossom (Ceanothus Thyrsiflorus) — commonly referred to as the Blue Blossom or California Lilac; shrub with blue blooms
Blue Blossom (Ceanothus Thyrsiflorus) — it prefers well-drained soil and a full sun exposure
Blue Blossom (Ceanothus Thyrsiflorus) — Ceanothus thyrsiflorus, or Blue Blossum, is an evergreen shrub with vibrant blue flowers that bloom in, image 41
Blue Blossom (Ceanothus Thyrsiflorus) — from around April to June; is a captivating evergreen shrub known for its vigor and stunning display of blue flowers
Photographs by 11 contributors

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