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| Identification |
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Genus
Quercus
Species
lobata
Variety
Cultivar
Common names
valley oak
Roble oak
California white oak
Family
FAGACEAE
Specimen number
S13973
Data source
Allergy p264;BtrflyCa p141;BtrflyCa p189;DyeFib p125
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| Life cycle |
|
Life form
Terrestrial
Life cycle
Woody perennial
Life span
5 - 20 years
Annual cycle
Depends on climate
Stature
Tree
Growth form
Various
Growth habit
Overall height
Overall spread
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| Climate |
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Sunshine
Various
Water
Various
Optimal soil texture
Various
Acceptable soil pH
Various
USDA hardiness
Not classified
AHS heat zones
Not classified
Sunset climate zones
Not classified
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| Garden |
|
Suitable for gardens
no
Nursery
Unknown
Compost
no
Size at acquisition
Unknown
Garden location
Unknown
Garden notes
Quercus lobata is a host plant for the California hairstreak butterfly as well as the mournful duskywing butterfly. The inner bark of California white oak (also known as valley oak and Roble oak) has been used in traditional fabric dyeing. Buff brown and buff brown are common colors produced with this plant.
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| Special qualities |
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Tolerates drought
no
Tolerates high humidity
no
Tolerates seaside conditions
no
Insect resistant
no
Disease resistant
no
Deer resistant
no
Best uses
Symbiosis
Satyrium californicum (California hairstreak butterfly);Erynnis tristis (mournful duskywing butterfly)
Attracts butterflies
yes
Attracts hummingbirds
no
Autumn foliage
no
Colorful berries
no
Desirable qualities
Other interest
Other interest color
Other interest period
|
| Adverse factors |
|
Common pests
Poisonous parts
Poisonous indications
Internal poison
no
Dermatologic poison
no
Livestock poison
no
Mechanical injury
no
Hay fever pollen
Light
Hay fever season
Mar 01 - Apr 30
Adverse qualities
|
| Herbal medicine |
|
Medicinal properties
Medicinal parts
Has medicinal uses
no
Do not self-administer
no
Do no use if pregnant
no
Legally restricted
no
Toxicity precautions
Medicinal notes
This is a light producer of pollen but should cause problems to only the most sensitive hay fever sufferers. Hay fever season usually extends from March to April.
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| Traditional uses |
|
Parts used
Traditional uses
Contemporary uses
Fragrance
Fragrance parts
Fragrance intensity
Fragrance category
Dye parts
Inner bark
Dye color
buff brown,black
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| Cultivation |
|
Propagule
Various
Pollination method
Planting style
Crop spacing
Row spacing
Cold frame
Planting period
Harvesting period
Frost tolerance
Heat requirement
Fertilizer
Typical
Time to harvest
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| Nutrition |
|
Is edible
no
Culinary uses
Nutritional value
Edible parts
Description of edible parts
Flavor / texture
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| Horticulture |
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Horticulture notes
Quercus lobata is a native plant in the natural environment that occurs throughout California. California white oak (in some places called valley oak and Roble oak) is considered to have originated from North America.
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| Herbarium |
|
Tag needs printing
no
Collection notes
Quercus lobata is a woody perennial.
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Page 3973 of 4998
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