Life Span
Annual and Perennial
Perennial
Type
Shrub
Tree
Origin
South Africa
United States, California
Types
Cephalanthus occidentalis
-
Number of Varieties
78
0
40000
👆🏻
Habitat
Boggy areas, Dappled Shade, Shady Edge, Sunny Edge, Woodland Garden Canopy
Woodland Garden Canopy
USDA Hardiness Zone
9-116-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
H1, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Spreading
Plant Size
Minimum Height
365.76 cm1,520.00 cm
0
3900
👆🏻
Minimum Width
182.88 cm1,370.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Light Yellow, Ivory
Red, Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green
Green, Blue Green
Leaf Color in Fall
Green
Yellow, Orange, Pink
Leaf Color in Winter
Green
-
Shape
Leaf Shape
Egg-shaped
Irregular
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Slow
Type of Soil
Loam, Sand
-
The pH of Soil
Acidic, Neutral
-
Soil Drainage
Average
-
Bloom Time
Early Spring, Spring, Late Spring, Winter, Late Winter
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Wet Site
Drought
Where to Plant?
Ground, Pot
Ground
How to Plant?
Seedlings, Stem Cutting
Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires 4 to 8 inches of water above the soil line
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
-
Soil Type
Loam, Sand
-
Soil Drainage Capacity
Average
-
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in early summer, Remove damaged leaves, Remove dead branches, Remove dead leaves, Trim each shoot back to the first set of leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Wet Site
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Medium
Foliage Sheen
Matte
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies
Birds
Allergy
Toxic
Pollen
Uses
Aesthetic Uses
Showy Purposes
Borders
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Plant Benefits
Medicinal Uses
Astringent, Diaphoretic, Diuretic, Emetic, Febrifuge, Laxative, Odontalgic, Ophthalmic, Tonic
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
Part of Plant Used
Bark, Fruits, Inner Bark, Root, Wood
Leaves, Seeds, Wood
Other Uses
Used for woodware
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Bog Garden, Cutflower, Dried Flower, Everlasting, Feature Plant, Mixed Border, Tropical
Feature Plant, Shade Trees, Street Trees
Botanical Name
BERZELIA lanuginosa
QUERCUS douglasii
Common Name
Buttonbush
Blue Oak
In Hindi
Buttonbush shrub
Blue Oak Tree
In German
Button Strauch
Blaue Eiche
In French
buttonbush arbuste
Bleu Oak Tree
In Spanish
arbusto buttonbush
Azul del árbol de roble
In Greek
Buttonbush θάμνος
Μπλε Oak Tree
In Portuguese
arbusto Buttonbush
Carvalho azul
In Polish
Buttonbush krzew
Niebieski Oak Tree
In Latin
Frutex Buttonbush
Blue quercum ligno
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Rubiales
Fagales
Family
Bruniaceae
Fagaceae
Genus
Cephalanthus
Quercus
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
1220
1
27800
👆🏻