Life Span
Perennial
  
Perennial
  
Type
Tree
  
Grass
  
Origin
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
  
World/Pandemic, North America, Europe, Russia/Siberia, Asia
  
Types
Not Available
  
Blue fescue, Large Blue fescue
  
Habitat
Hot climate regions, low mountains, Tropical regions
  
Moist Soils, Rocky areas, Well Drained
  
USDA Hardiness Zone
6-9
  
4-8
  
AHS Heat Zone
9-3
  
8 - 1
  
Sunset Zone
2a, 2b, 3a, 3b, 4, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 18, 19, 20, 21
  
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
  
Habit
Oval or Rounded
  
Clump-Forming
  
Plant Size
  
  
Minimum Height
1,220.00 cm
  
33
Plant Color
  
  
Flower Color
Red, Light Green, Chartreuse
  
Not Available
  
Flower Color Modifier
Bicolor
  
Bicolor
  
Fruit Color
Tan, Chocolate
  
Not Available
  
Leaf Color in Spring
Green, Light Green
  
Blue Green, Gray
  
Leaf Color in Summer
Green, Dark Green
  
Light Green
  
Leaf Color in Fall
Yellow, Orange, Sandy Brown
  
Blue Green, Gray
  
Leaf Color in Winter
Not Available
  
Blue Green, Tan, Gray
  
Shape
  
  
Leaf Shape
Irregular
  
Grass like
  
Thorns
No
  
No
  
Plant Season
Spring, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Fast
  
Medium
  
Type of Soil
Clay, Loam, Sand
  
Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Drainage
Average
  
Well drained
  
Bloom Time
Spring, Late Spring
  
Early Summer, Summer
  
Repeat Bloomer
No
  
No
  
Tolerances
Wet Site, Pollution, Soil Compaction
  
Drought
  
Where to Plant?
Ground
  
Container, Ground
  
How to Plant?
Grafting, Seedlings
  
Seedlings
  
Plant Maintenance
Low
  
Medium
  
Watering Plants
  
  
Watering Requirements
Allow to dry out slightly between watering, Does not require lot of watering
  
Requires regular watering
  
In Summer
Lots of watering
  
Lots of watering
  
In Spring
Moderate
  
Moderate
  
In Winter
Average Water
  
Average Water
  
Soil
  
  
Soil pH
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Type
Clay, Loam, Sand
  
Loam, Sand
  
Soil Drainage Capacity
Average
  
Well drained
  
Sun Exposure
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Pruning
cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches, Remove dead leaves
  
Cut or pinch the stems, Remove dead leaves, Remove dead or diseased plant parts
  
Fertilizers
All-Purpose Liquid Fertilizer, Bonemeal, fertilize in growing season
  
Apply 10-10-10 amount
  
Pests and Diseases
Azalea leaf gall, Fusarium leaf spot, Leaf rust, Mildew
  
Red blotch
  
Plant Tolerance
Heat Tolerance, Humidity, Salt and Soil Compaction
  
Drought
  
Flowers
Insignificant
  
Insignificant
  
Flower Petal Number
Not Available
  
Single
  
Fruits
  
  
Showy Fruit
Yes
  
No
  
Edible Fruit
No
  
No
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
No
  
Showy Foliage
No
  
Yes
  
Showy Bark
No
  
No
  
Foliage Texture
Fine
  
Fine
  
Foliage Sheen
Glossy
  
Matte
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
Yes
  
Yes
  
Attracts
Birds
  
Birds, Butterflies
  
Allergy
Eczema, Rhinitis, Runny nose
  
Not Available
  
Uses
  
  
Aesthetic Uses
Landscape Designing, Showy Purposes
  
Ground Cover
  
Beauty Benefits
Blood purifying, Reduce Bruises, Weightloss
  
Not Available
  
Edible Uses
Sometimes
  
No
  
Environmental Uses
Air purification
  
Air purification, Provides ground cover
  
Plant Benefits
  
  
Medicinal Uses
Gout, Obesity, Snoring
  
Not Available
  
Part of Plant Used
Bark, Stem
  
Flowers, Seeds
  
Other Uses
Animal Feed, Biodiesel, Recovering internal injuries
  
Used as Ornamental plant
  
Used As Indoor Plant
No
  
Insignificant
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Shade Trees, Street Trees
  
Bedding Plant, Container, Feature Plant, Mixed Border, Rock Garden / Wall
  
Botanical Name
QUERCUS phellos
  
FESTUCA glauca 'Boulder Blue'
  
Common Name
Willow Oak
  
Blue Fescue, Boulder Blue Fescue
  
In Hindi
Overcup ओक
  
Boulder Blue Fescue
  
In German
Overcup Oak
  
Boulder Blau -Schwingel
  
In French
Overcup Oak
  
Boulder bleu fétuque
  
In Spanish
Overcup Roble
  
Boulder azul de la hierba festuca
  
In Greek
Overcup Oak
  
Boulder μπλε γρασίδι φεστούκα
  
In Portuguese
Overcup Oak
  
Boulder Blue Grass festuca
  
In Polish
Overcup Dąb
  
Boulder niebieskie trawy kostrzewy
  
In Latin
Oryza
  
Hyacintho herba, lapidem fescue
  
Kingdom
Plantae
  
Plantae
  
Phylum
Not Available
  
Magnoliophyta
  
Class
Magnoliopsida
  
Liliopsida
  
Order
Fagales
  
Cyperales
  
Family
Fagaceae
  
Poaceae
  
Genus
Quercus
  
Festuca
  
Clade
Angiosperms, Eudicots, Rosids
  
Angiosperms, Commelinids, Monocots
  
Tribe
Not Available
  
Poeae
  
Subfamily
Amaryllidoideae
  
Pooideae
  
Number of Species
Not Available
  
Season and Care of Willow Oak and Boulder Blue Fescue
Season and care of Willow Oak and Boulder Blue Fescue is important to know. While considering everything about Willow Oak and Boulder Blue Fescue Care, growing season is an essential factor. Willow Oak season is Spring and Fall and Boulder Blue Fescue season is Spring and Fall. The type of soil for Willow Oak is Clay, Loam, Sand and for Boulder Blue Fescue is Loam, Sand while the PH of soil for Willow Oak is Acidic, Neutral, Alkaline and for Boulder Blue Fescue is Acidic, Neutral.
Willow Oak and Boulder Blue Fescue Physical Information
Willow Oak and Boulder Blue Fescue physical information is very important for comparison. Willow Oak height is 1,220.00 cm and width 910.00 cm whereas Boulder Blue Fescue height is 30.50 cm and width 25.40 cm. The color specification of Willow Oak and Boulder Blue Fescue are as follows:
Willow Oak flower color: Red, Light Green and Chartreuse
Willow Oak leaf color: Green and Light Green
Boulder Blue Fescue flower color: Not Available
- Boulder Blue Fescue leaf color: Blue Green and Gray
Care of Willow Oak and Boulder Blue Fescue
Care of Willow Oak and Boulder Blue Fescue include pruning, fertilizers, watering etc. Willow Oak pruning is done cut main flower spike, Prune every year, Remove damaged leaves, Remove dead branches and Remove dead leaves and Boulder Blue Fescue pruning is done Cut or pinch the stems, Remove dead leaves and Remove dead or diseased plant parts. In summer Willow Oak needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Boulder Blue Fescue needs Lots of watering and in winter, it needs Average Water.