Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
United States, California
Eastern Europe
Types
-
Iris
Number of Varieties
825
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Terrestrial
USDA Hardiness Zone
6-94-9
0
99
👆🏻
AHS Heat Zone
9-1
9-1
Sunset Zone
3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Spreading
Clump-Forming
Plant Size
Minimum Height
1,520.00 cm10.20 cm
0
3900
👆🏻
Minimum Width
1,370.00 cm15.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
Yellow, Lavender, Blue Violet
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Green, Blue Green
Green, Sea Green
Leaf Color in Summer
Green, Blue Green
Green, Sea Green
Leaf Color in Fall
Yellow, Orange, Pink
Green, Sea Green
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Irregular
Lanceolate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
-
Loam, Sand
The pH of Soil
-
Neutral
Soil Drainage
-
Well drained
Bloom Time
Spring
Spring, Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Seedlings
By dividing rhizomes, tubers, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Average Water Needs, Do Not over Water
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
-
Neutral
Soil Type
-
Loam, Sand
Soil Drainage Capacity
-
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
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
Coarse
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Hummingbirds
Allergy
Pollen
Skin irritation
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
Plant Benefits
Medicinal Uses
Astringent, Diarrhea, Dysentry, Haemorrhages, Poultice, Sore Eyes, Sore throat
-
Part of Plant Used
Leaves, Seeds, Wood
-
Other Uses
Adhesive, Basketary, Buttons, Repellent, Tannin, Used as fuel, Used for woodware
Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Alpine, Edging, Mixed Border, Rock Garden, Wall
Botanical Name
QUERCUS douglasii
IRIS pumila
Common Name
Blue Oak
Dwarf Iris
In Hindi
Blue Oak Tree
Dwarf Iris
In German
Blaue Eiche
Zwergiris
In French
Bleu Oak Tree
Dwarf Iris
In Spanish
Azul del árbol de roble
Enano Iris
In Greek
Μπλε Oak Tree
νάνος Ίρις
In Portuguese
Carvalho azul
Dwarf Iris
In Polish
Niebieski Oak Tree
Dwarf Iris
In Latin
Blue quercum ligno
Iris Dwarf
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Liliales
Family
Fagaceae
Iridaceae
Genus
Quercus
Iris
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Irideae
Subfamily
-
Iridoideae
Number of Species
20300
1
27800
👆🏻