How to Grow and Care for Blueblossom

Blueblossom, also known as Blue blossom ceanothus, Blue brush, Carmel ceanothus, San Luis Obispo Ceanothus

Blueblossom thrives best in a garden setting with specific yet easy-to-meet conditions. The plant requires full sun exposure and well-drained soil to flourish. A key special care point is minimal watering post-establishment, as blueblossom is drought-tolerant. Another special care consideration is to avoid excessive fertilization, as blueblossom prefers soil that is not too rich in nutrients.

Watering schedule: Every 1-2 weeks

Sunlight Requirements: Full sun

In This Article

Planting and Growing Blueblossom

Toughness	High
Care Level	Low
Care Difficulty	Easy
Lifespan	Perennial
Watering Schedule	Every 1-2 weeks
Sunlight Requirements	Full sun
Soil Type	Garden Soil
Soil pH	6-7.5
Planting Time	Spring, Fall
Hardiness Zones	8-10

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Varieties of Blueblossom

Blueblossom 'El Dorado'

This cultivar was created in 1996 in England, and is noted for its particular ability to attract bees, butterflies, and other insects to its blooms. The blueblossom 'El Dorado', from the blueblossom plant, has a distinct gold edge on its foliage as well as flowers that are a powdery blue in color. It is a fast-growing shrub that grows upright.

Blueblossom 'Concha'

Blueblossom 'Concha' stands out from other California lilacs for its profusion of blue flowers. This sun-loving shrub has been awarded the Royal Horticultural Society's prestigious Award of Garden Merit. Gardeners particularly admire blueblossom 'Concha' as it makes a great specimen or hedging plant, plus, it's especially reliable compared to other California lilacs.

Blueblossom 'Autumnal Blue'

Blueblossom 'Autumnal Blue' is distinct for its abundant sky-blue flowers. A cultivar of Ceanothus, it derives its name from those flowers, which bloom in late summer through fall. Gardeners love how easy it is to get this plant to grow up to 3 m tall and wide.

Blueblossom 'Delight'

Blueblossom 'Delight' is distinct for its bright deep blue flowers. A cultivar of Ceanothus, its name undoubtedly refers to its beautiful deep blue flowers set among green leaves. Gardeners love that it grows fast, and that it attracts butterflies and bees while resisting rabbits.

Blueblossom 'Skylark'

This shrub was created to be tolerant against droughts. The blueblossom 'Skylark' is also more compact than the original Blueblossom but can still grow five feet tall and wide. Instead of the paler blue flowers of the original plant, it has a large number of darker blue flowers. It was also made to have a longer blooming season.

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More General Info About Blueblossom

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Blueblossom is a robust evergreen shrub with a potential to reach towering dimensions of up to 20 feet (6 meters) in both height and width. Its structural form is characterized by a relatively short trunk and an expansive array of spreading branches. The foliage is lush, comprised of broad leaves. Remarkably, blueblossom exhibits a profusion of vivid blue flowers, a rarity in the horticultural world. These blooms provide significant appeal in various landscaping applications.