Life Span
Perennial
Annual and Perennial
Type
Tree
Flowering Plants, Shrubs
Origin
United States, California
World/Pandemic, North America, Europe, Russia/Siberia, China, Korea
Types
Quercus lobata
Bigleaf hydrangea, Hortensia, Smooth hydrangea, Oakleaf hydrangea, Annabelle
Habitat
Semi desert, Subtropical climates
Forest edges, Hillside, Woods
USDA Hardiness Zone
7-9
2-11
Sunset Zone
3b, 4, 5, 6, 7, 8, 9, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Upright/Erect
Flower Color
Red, Yellow green
Blue, Sky Blue, Indigo, Dark Blue
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Sienna, Chocolate
Brown, Sandy Brown
Leaf Color in Spring
Green
Sea Green, Gray Green
Leaf Color in Summer
Dark Green
Sea Green, Gray Green
Leaf Color in Fall
Yellow, Yellow green, Gold
Sea Green, Gray Green
Leaf Color in Winter
-
Light Green
Leaf Shape
Irregular
Oblovate
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Medium
Very Fast
Type of Soil
Clay, Loam
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Indeterminate
Tolerances
Drought
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings, Stem Planting
Seedlings
Plant Maintenance
Medium
Medium
Watering Requirements
Form a Soil ring to water efficiently, Keep ground moist, Requires watering in the growing season, Water more in summer, Water when soil is dry
Keep ground moist, Requires a lot of watering, Requires regular watering, Requires watering in the growing season
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil pH
Acidic, Neutral, Alkaline
Slightly Acidic
Soil Type
Clay, Loam
Loamy
Soil Drainage Capacity
Average
Loamy
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Don't prune in winter, No pruning needed in the early stages, Prune if you want to improve plant shape, Remove deadheads
Prune to control growth, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Compost
Pests and Diseases
Fungal Diseases
Bacterial leaf spot, Botrytis Blight, Leafminers, Mealybugs, Mushroom root rot
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Foliage Texture
Medium
Medium
Foliage Sheen
Glossy
Matte
Attracts
Birds
Butterflies
Allergy
-
Chest tightness, Diarrhea, Dizziness, Nausea, Vomiting
Aesthetic Uses
-
Beautification, Bouquets, Landscape Designing, Showy Purposes
Environmental Uses
Air purification
Air purification, Food for insects, Indoor Air Purification, Prevent Soil Erosion, Very little waste
Medicinal Uses
-
Fever, Kidney problems, Urinary tract problems
Part of Plant Used
Bark, Leaves, Wood
Flowers, Root
Other Uses
Cattle Fodder, Used by tanners in tanning leather, Used in making musical instruments, Wood is used for making furniture, Wood is used for ship building, Wood is used in construction
Can be made into a herbal tea, Decoration Purposes, Employed in herbal medicine, Showy Purposes, Used as Ornamental plant, Used for its medicinal properties
Used As Indoor Plant
No
Yes
Used As Outdoor Plant
Yes
Yes
Garden Design
Feature Plant, Shade Trees
Container, Herb
Botanical Name
QUERCUS lobata
CENTAUREA cyanus
Common Name
California Swamp Oak, California White Oak, Roble Oak, Valley Oak
Batchelor's Buttons, Cornflower
In Hindi
घाटी ओक
Hydrangea
In German
Tal Eiche
Hortensie
In French
Oak Valley
Hortensia
In Spanish
valle del roble
Hortensia
In Greek
Valley Oak
υδραγεία
In Portuguese
vale Oak
Hortênsia
In Polish
Dolina Oak
Hortensja
In Latin
Oak vallis
Hibiscus
Family
Fagaceae
Asteraceae
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Asterids, Eudicots
Season and Care of Valley Oak and Cornflower
Season and care of Valley Oak and Cornflower is important to know. While considering everything about Valley Oak and Cornflower Care, growing season is an essential factor. Valley Oak season is Spring, Summer, Fall and Winter and Cornflower season is Spring, Summer, Fall and Winter. The type of soil for Valley Oak is Clay, Loam and for Cornflower is Loam, Sand while the PH of soil for Valley Oak is Acidic, Neutral, Alkaline and for Cornflower is Acidic, Neutral, Alkaline.
Valley Oak and Cornflower Physical Information
Valley Oak and Cornflower physical information is very important for comparison. Valley Oak height is 1,650.00 cm and width 1,680.00 cm whereas Cornflower height is 30.00 cm and width 30.00 cm. The color specification of Valley Oak and Cornflower are as follows:
Valley Oak flower color: Red and Yellow green
Valley Oak leaf color: Green
Cornflower flower color: Blue, Sky Blue, Indigo and Dark Blue
- Cornflower leaf color: Sea Green and Gray Green
Care of Valley Oak and Cornflower
Care of Valley Oak and Cornflower include pruning, fertilizers, watering etc. Valley Oak pruning is done Don't prune in winter, No pruning needed in the early stages, Prune if you want to improve plant shape and Remove deadheads and Cornflower pruning is done Prune to control growth, Remove damaged leaves, Remove dead branches and Remove dead leaves. In summer Valley Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Cornflower needs Lots of watering and in winter, it needs Average Water.