Life Span
Perennial
Perennial
Type
Ornamental Grasses and Bamboo
Herbaceous Perennial
Origin
Southern Europe, Western Europe, Mediterranean
-
Types
-
Bearded Iris
Number of Varieties
1050
0
40000
👆🏻
Habitat
Desert, Dry areas, Dry Forest, Rocky areas
meadows, Riverbanks, Rocky Mountains
USDA Hardiness Zone
4-95-9
0
99
👆🏻
AHS Heat Zone
9 - 1
9-5
Sunset Zone
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
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
Cushion/Mound-forming
Clump-Forming
Plant Size
Minimum Height
45.00 cm25.40 cm
0
3900
👆🏻
Minimum Width
60.96 cm12.70 cm
0
6350
👆🏻
Plant Color
Flower Color
Blue Green
White, Yellow, Blue, Purple, Orange, Pink, Rose, Coral, Peach, Burgundy, Lavender, Plum, Orange Red, Dark Salmon, Bronze, Chocolate, Black
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Blue Green, Silver, Gray
Green, Light Green, Gray Green
Leaf Color in Summer
Light Green
Yellow green
Leaf Color in Fall
Blue Green, Silver, Gray
-
Leaf Color in Winter
Blue Green, Tan, Silver, Gray
Light Green
Shape
Leaf Shape
Grass like
Sword-like
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring
Growing Conditions
Sunlight
Full Sun
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer
Early Spring, Spring, Late Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Salt
Drought
Where to Plant?
Container, Ground
Ground
How to Plant?
Rooted stem cutting, Seedlings, Stem Planting
Root Plants
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, occasional watering once established, Requires regular watering, Requires watering in the growing season
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun
Full Sun, Partial Sun
Pruning
Cut or pinch the stems, Pinch Tips, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Bacteria, fungus, Viruses
Plant Tolerance
Salt
Drought
Flowers
✔
✘
✔
✘
Flower Petal Number
Single
Single
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Fine
Fine
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Butterflies, Hummingbirds
Butterflies, Hummingbirds
Allergy
Asthma, Itchiness, Rash, Rhinitis
-
Uses
Aesthetic Uses
Ground Cover
Beautification, Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
-
Part of Plant Used
Stem
Flowers, Root
Other Uses
Used as Ornamental plant
Basketary, Used for fragrance
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Edging, Mixed Border, Rock Garden / Wall
Cutflower, Foundation, Mixed Border, Rock Garden, Wall
Botanical Name
HELICTOTRICHON sempervirens
IRIS 'Apollo'
Common Name
Blue Oat Grass
Carmen Iris, Dutch Iris
In Hindi
ब्लू जई घास
Dutch Iris
In German
Blau Ährengras
Dutch Iris
In French
Bleu Oat Grass
Dutch Iris
In Spanish
Azul hierba de avena
Dutch Iris
In Greek
Μπλε βρώμης Grass
Dutch Iris
In Portuguese
Azul Aveia
Dutch Iris
In Polish
Niebieski Owies trawa
Dutch Iris
In Latin
Blue Oat Grass
Dutch Iris
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Liliopsida
Magnoliopsida
Order
Poales
Asparagales
Family
Poaceae
Iridaceae
Genus
Helictotrichon
Iris
Clade
Angiosperms, Commelinids, Monocots
Angiosperms, Monocots
Tribe
Aveneae
Irideae
Subfamily
Pooideae
Iridoideae
Number of Species
70300
1
27800
👆🏻