Life Span
Perennial
Annual or Biennial
Type
Tree
Grass
Origin
United States, California
South America, Micronesia, New Zealand
Types
-
Silver pampas grass, Uruguayan pampas grass, Purple pampas grass
Number of Varieties
825
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Lawn
USDA Hardiness Zone
6-97-11
0
99
👆🏻
AHS Heat Zone
9-1
11 - 7
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
H1, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm304.80 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm182.88 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Pink, Violet, White hair and some brown spots on margins and at tips
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green, Light Green, Dark Green
Leaf Color in Summer
Green, Blue Green
Light Green
Leaf Color in Fall
Yellow, Orange, Pink
Green, Light Green, Dark Green
Leaf Color in Winter
-
Dark Green, Tan
Shape
Leaf Shape
Irregular
Long and slender with very sharp edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
Fast
Type of Soil
-
Loam
The pH of Soil
-
Acidic, Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Summer, Fall
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought, Salt
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
Seedlings, Stem Planting
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Needs watering once a week, Reduce water once established, Water more frequently during periods of extreme drought
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
Prune in late winter, Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
Apply 10-10-10 amount, Nitrogen, Phosphorous, Potassium
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought, Salt
Flowers
✔
✘
✔
✘
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, Rats, Snakes
Allergy
Pollen
Itchiness, Skin cuts
Uses
Aesthetic Uses
Borders
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Shadow Tree, soil erosion prevension on hill slopes, Wildlife, Windbreak
Air purification, Provides ground cover
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
-
Part of Plant Used
Leaves, Seeds, Wood
Flowers, Leaves
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Fibre, Food for animals, Used in paper industry
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Dried Flower / Everlasting, Cutflower, Dried Flower/Everlasting, Feature Plant, Foundation, Groundcover, Mixed Border, Screening / Wind Break
Botanical Name
QUERCUS douglasii
CORTADERIA
Common Name
Blue Oak
Pampas Grass
In Hindi
Blue Oak Tree
Pampas grass
In German
Blaue Eiche
Pampasgrass
In French
Bleu Oak Tree
herbe de la pampa
In Spanish
Azul del árbol de roble
cortaderas
In Greek
Μπλε Oak Tree
γρασίδι Πάμπα
In Portuguese
Carvalho azul
grama de Pampas
In Polish
Niebieski Oak Tree
Pampas trawy
In Latin
Blue quercum ligno
Pampas herba
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Vascular plant
Class
Magnoliopsida
Liliopsida
Order
Fagales
Poales
Family
Fagaceae
Poaceae
Genus
Quercus
Cortaderia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Commelinids, Monocots
Tribe
-
Danthonieae
Subfamily
-
Danthonioideae
Number of Species
2025
1
27800
👆🏻