Life Span
Perennial
Perennial
Type
Tender Perennial
Perennial
Origin
Africa, Asia, Polynesia, Australia
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Canada
Types
assera , caerulea , cinerascens , petasmatodes
-
Number of Varieties
72
0
40000
👆🏻
Habitat
mild coastal areas, Upland sandy savannas
gardens, Hardwood forests
USDA Hardiness Zone
-99995-7
0
99
👆🏻
AHS Heat Zone
-
7-5
Sunset Zone
8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
40.00 cm15.20 cm
0
3900
👆🏻
Minimum Width
15.00 cm12.70 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Blue, Blue Violet
White
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Blue, Violet
Light Green
Leaf Color in Spring
Green, Blue Green, Dark Green
Green, Blue Green
Leaf Color in Summer
Green, Blue Green, Dark Green
Green, Gray Green
Leaf Color in Fall
Green, Blue Green, Dark Green
Green, Gray Green
Leaf Color in Winter
Light Green
Light Green
Shape
Leaf Shape
Long Narrow
Butterfly shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Medium
Slow
Type of Soil
Loamy, Sandy, Well drained
Clay, Loam
The pH of Soil
Neutral, Slightly Acidic
Neutral, Alkaline
Soil Drainage
Well drained
Average
Bloom Time
Early Summer, Summer, Late Summer
Late Spring, Early Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Deer resistant, Drought, Heat Tolerance, Light Frost
Drought
Where to Plant?
Ground, Pot
Ground, Pot
How to Plant?
Rhizome division, Seedlings
Divison, Seedlings, Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Requires plenty of water during the growing season
Medium
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Slightly Acidic
Neutral, Alkaline
Soil Type
Loamy, Sandy, Well drained
Clay, Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Prune in the late winter or spring, Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove deadheads, Requires very little pruning
Fertilizers
All-Purpose Liquid Fertilizer, slow-release fertilizers
No fertilizers needed
Pests and Diseases
Crown rot, Fungal leaf spots
Pests and diseases free, Red blotch
Plant Tolerance
Deer resistant, Drought, Heat Tolerance, Light Frost
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
-
Coarse
Foliage Sheen
-
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies, Caterpillar
Bees, Butterflies
Allergy
breathing problems, Dizziness, poisonous if ingested
-
Uses
Aesthetic Uses
along a porch, deck or patio, Showy Purposes, small hedge, Wild gardens
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
-
Cancer, Diuretic
Part of Plant Used
-
Flowers, Root
Other Uses
Beneficial species for attracting pollinators
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Mixed Border, Tropical
Feature Plant, Groundcover
Botanical Name
DIANELLA caerulea
JEFFERSONIA diphylla
Common Name
Blue Flax Lily, Blueberry Lily, Paroo Lily
-
In Hindi
blue flax lily
Twinleaf
In German
blau Flachs Lilie
Twinleaf
In French
Dianella caerulea
Twinleaf
In Spanish
Dianella caerulea
Twinleaf
In Greek
Dianella caerulea
Twinleaf
In Portuguese
blue flax lily
Twinleaf
In Polish
blue flax lily
Twinleaf
In Latin
blue flax lily
Twinleaf
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Monocots
Magnoliopsida
Order
Asparagales
Ranunculales
Family
Liliaceae
Berberidaceae
Genus
Dianella
Jeffersonia
Clade
Angiosperms, Monocots
Angiosperms, Eudicots
Tribe
-
-
Subfamily
-
-
Number of Species
72
1
27800
👆🏻