Life Span
Perennial
Perennial
Type
Tree
Grass
Origin
United States, California
Mediterranean, Northern Africa
Types
-
Erianthus ravennae, Saccharum ravennae
Number of Varieties
8190
0
40000
👆🏻
Habitat
Woodland Garden Canopy
marshes, Riverbanks
USDA Hardiness Zone
6-96-9
0
99
👆🏻
AHS Heat Zone
9-1
9 - 6
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Upright/Erect
Plant Size
Minimum Height
1,520.00 cm240.00 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Purple, Silver
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
Purple
Leaf Color in Spring
Green, Blue Green
White, Gray Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow, Orange, Pink
Purple, Tan
Leaf Color in Winter
-
Purple, Tan
Shape
Leaf Shape
Irregular
Grass like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Late Summer, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Vegetative
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Water once every two or three weeks
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
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Cut back all stems to the same height
Fertilizers
All-Purpose Liquid Fertilizer
0-10-10 NPK fertilizer
Pests and Diseases
Red blotch
Drought, Edema
Plant Tolerance
Drought
Drought
Flowers
Insignificant
Showy
Flower Petal Number
-
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Fine
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Birds
Allergy
Pollen
Noxious Weed
Uses
Aesthetic Uses
Borders
Borders, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Erosion control
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
-
Part of Plant Used
Leaves, Seeds, Wood
Leaves
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Cultivated for fodder
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Cutflower, Dried Flower/Everlasting, Feature Plant, Mixed Border
Botanical Name
QUERCUS douglasii
SACCHARUM ravennae
Common Name
Blue Oak
Hardy Pampas Grass, Plume Grass, Ravennagrass
In Hindi
Blue Oak Tree
Plume Grass
In German
Blaue Eiche
Plume Gras
In French
Bleu Oak Tree
Plume Herbe
In Spanish
Azul del árbol de roble
Penacho de hierba
In Greek
Μπλε Oak Tree
Plume Grass
In Portuguese
Carvalho azul
Plume grama
In Polish
Niebieski Oak Tree
Pióropusz Trawa
In Latin
Blue quercum ligno
Kessinger Grass
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Lilopsida
Order
Fagales
Cyperales
Family
Fagaceae
Poaceae
Genus
Quercus
Saccharum
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
Andropogoneae
Subfamily
-
Panicoideae
Number of Species
20400
1
27800
👆🏻