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Quercus glauca

Also Known As

  • Ring-Cupped Oak

Plant type

tree, shrub

size

  • H: 20'-30'
  • W: 10'-20'

planting zones

  • 7a-10a

Quercus glauca plant details

Quercus glauca is a broadleaf evergreen shrub or tree with blue and green foliage. In spring chartreuse and yellow flowers emerge followed by brown fruit. Features glaucous texture. Attracts bees, birds and butterflies making it an excellent addition to pollinator gardens. Grows well with sun and regular - low water. Drought tolerant once established. Adapts to various soil conditions. Does well in acidic, average, clay, gritty, rich and well-drained soil. A good option if you're seeking something heat tolerant, humidity tolerant and verticillium wilt resistant.

CHARACTERISTICS OF Quercus glauca

Plant type: shrub or tree
Plant family: fagaceae
Foliage: evergreen blue and green
Mature size: 10 FT - 20 FT - wide, 20 FT - 30 FT - tall
Flowers: chartreuse and yellow blooms in spring

GROWING CONDITIONS for Quercus glauca

USDA Zones: 7a - 10a
Sun exposure: sun
Watering frequency: regular - low
Resistant to: heat, humidity and verticillium wilt
Soil needs: acidic, average, clay, gritty, rich and well-drained

Nursery contributed plant descriptions

A rare EG shrub oak (or small tree) whose leathery leaves are glossy green above, glaucous beneath. S/M

Gardening facts about Quercus glauca plant

How to Grow Quercus glauca

  • Sun Exposure

    • sun
  • Water Needs

    • regular - drought tolerant
  • Soil Needs

    • clay
    • acidic
    • adaptable
    • average
    • well-drained
    • rich
    • gritty
  • Special Situation

    • heat tolerant
    • humidity tolerant
    • verticillium wilt resistant

Features

  • Foliage Color

    • green
    • blue
  • Flower Color

    • yellow
    • chartreuse
  • Wildlife

    • birds
    • bees
    • butterflies
  • Fruit

    • brown
  • Flower Season

    • spring
  • Foliage Season

    • evergreen
  • Texture

    • glaucous

Landscape groups by tags

See other plant types of Quercus for your garden

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Plant Type

Tree

Zones

5a-8b

Size

Height: 12'-20'

Width: 10'

  • sun - mostly sun
  • even moisture
Photo of Quercus dentata 'Pinnatifida' foliage by Dancing Oaks Nursery
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aka Quercus dentata 'C. F. Miller', C.F. Miller Emperor Oak, Carl Ferris Miller Daimyo Oak, Carl Ferris Miller Emperor Oak

Plant Type

Tree

Zones

5a-8b

Size

Height: 25'-35'

Width: 25'-35'

  • sun - mostly sun
  • regular - drought tolerant
Photo of Quercus dentata 'Carl Ferris Miller' foliage by Danger Garden
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aka Concordia English Oak, Concordia Golden English Oak, Concordia Golden Oak

Plant Type

Tree

Zones

4a-8b

Size

Height: 15'-30'

Width: 15'-30'

  • sun - mostly shade
  • regular - drought tolerant
Photo of Quercus robur 'Concordia' form by Karl Gercens III
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aka Quercus endresii, Quercus irazuensis

Plant Type

Tree, Shrub

Zones

9b-12

Size

Height: 60'

Width: 60'-100'

  • sun
  • regular - occasional
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aka Gambel Oak, Rocky Mountain White Oak

Plant Type

Tree

Zones

4a-9b

Size

Height: 30'

Width: 25'

  • sun
  • occasional
  • dry in summer
Photo of Quercus gambelii foliage by Cory Maylett
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