Photo of Ceanothus arboreus 'Owlswood Blue' flower by Far Out Flora

Photo by Far Out Flora

Used with permission, all rights reserved

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Ceanothus arboreus 'Owlswood Blue'

Also Known As

  • Owlswood Blue California Lilac

Plant type

shrub

size

  • H: 8'-12'
  • W: 6'-10'

planting zones

  • 8a-11

More Options

Ceanothus arboreus 'Owlswood Blue' plant details

Ceanothus arboreus 'Owlswood Blue' is a broadleaf evergreen shrub with green foliage. In spring blue flowers emerge. Attracts bees, beneficial insects, birds and butterflies making it an excellent addition to pollinator gardens. Grows well with sun - mostly sun and occasional - low water. Drought tolerant once established. Prefers to be dry in summer. Adapts to various soil conditions. Does well in average, clay, gritty, lean and well-drained soil. A good option if you're seeking something heat tolerant, seaside / salt tolerant, verticillium wilt resistant and wind tolerant.

CHARACTERISTICS OF Ceanothus arboreus 'Owlswood Blue'

Plant type: shrub
Plant family: rhamnaceae
Foliage: evergreen green
Mature size: 6 FT - 10 FT - wide, 8 FT - 12 FT - tall
Flowers: blue blooms in spring

GROWING CONDITIONS for Ceanothus arboreus 'Owlswood Blue'

USDA Zones: 8a - 11
Sun exposure: sun - mostly sun
Watering frequency: occasional - low
Resistant to: heat, seaside / salt, verticillium wilt and wind
Soil needs: average, clay, gritty, lean and well-drained

Gardening facts about Ceanothus arboreus 'Owlswood Blue' plant

How to Grow Ceanothus arboreus 'Owlswood Blue'

  • Sun Exposure

    • sun - mostly sun
  • Water Needs

    • occasional - drought tolerant
  • Water Needs

    • dry in summer
  • Soil Needs

    • clay
    • adaptable
    • average
    • lean
    • well-drained
    • gritty
  • Special Situation

    • heat tolerant
    • seaside / salt tolerant
    • wind tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
  • Flower Color

    • blue
  • Wildlife

    • beneficial insects
    • birds
    • bees
    • butterflies
  • Flower Season

    • spring
  • Foliage Season

    • evergreen

Landscape groups by tags

See other plant types of Ceanothus for your garden

aka Feltleaf Ceanothus, Island Mountain Lilac, Tree Lilac

Plant Type

Tree, Shrub

Zones

8b-11

Size

Height: 10'-30'

Width: 8'-15'

  • sun - mostly sun
  • regular - drought tolerant
  • dry in summer
Photo of Ceanothus arboreus form by Stan Shebs
View Plant

aka Hoary Leafed Ceanothus

Plant Type

Shrub

Zones

8a-10b

Size

Height: 7'-12'

Width: 7'-12'

  • sun
  • even moisture - drought tolerant
  • dry in summer
Photo of Ceanothus crassifolius form by Stan Shebs
View Plant

aka Lakeside Ceanothus, San Diego Buckbrush, San Diego Mountain Lilac

Plant Type

Shrub

Zones

8b-10b

Size

Height: 10'-15'

Width: 8'-12'

  • sun
  • even moisture - drought tolerant
  • dry in summer
Photo of Ceanothus cyaneus flower by Stan Shebs
View Plant

aka Pinemat

Plant Type

Shrub, Groundcover

Zones

7b-10b

Size

Height: 4"-12"

Width: 36"-72"

  • sun
  • even moisture - drought tolerant
  • dry in summer
Photo of Ceanothus diversifolius form by Stan Shebs
View Plant

aka Desert Ceanothus

Plant Type

Shrub

Zones

5b-10b

Size

Height: 4'-6'

Width: 4'-6'

  • sun
  • occasional - drought tolerant
  • dry in summer
Photo of Ceanothus greggii form by Stan Shebs
View Plant

More Options

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