Life Span
Annual
Perennial
Type
Shrub
Perennial
Origin
Europe, Northern Africa, Western Asia
-
Types
Shrub
Kniphofia uvaria
Number of Varieties
570
0
40000
👆🏻
Habitat
Woods
Damp Places, Marshy ground
USDA Hardiness Zone
4-86-9
0
99
👆🏻
AHS Heat Zone
8-1
9-4
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Thicket/Colonizing
Clump-Forming
Plant Size
Minimum Height
180.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
180.00 cm50.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Yellow
Yellow, Red, Orange, Pink
Flower Color Modifier
-
Bicolor
Fruit Color
Brown
-
Leaf Color in Spring
Green
Green, Blue Green
Leaf Color in Summer
Green, Dark Green
Green, Blue Green
Leaf Color in Fall
Yellow, Green
Blue Green, Gray Green, Light Yellow
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Lobed
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Early Spring, Spring, Late Winter
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground, Pot
Container, Ground
How to Plant?
Grafting
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water
Needs more water during establishment, Water Deeply, Water in morning to avoid prompting diseases, Water in the early morning hours
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Cut or pinch the stems, Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Red blotch
Onion thrips, Red blotch, Root rot
Plant Tolerance
Drought
Drought, Moisture
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
Coarse
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Snails
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Borders, Cottage Garden, Ground Cover
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Minerals, Rich in protein, tonic in pregnancy, Vitamin E
-
Part of Plant Used
Fruits, Leaves, Seeds, Wood
-
Other Uses
Culinary use, Used for its medicinal properties
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Foundation, Mixed Border, Topiary, Bonsai, Espalier
Container, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
CORYLUS avellana 'Contorta'
KNIPHOFIA 'Border Ballet'
Common Name
common hazel
Tritoma, Wisley Blue Spring Starflower, Wisley Blue Springstar
In Hindi
contorted filbert
Tritoma
In German
contorted filbert
Tritoma
In French
noisetier contorsionné
Tritoma
In Spanish
avellana contorsionada
tritoma
In Greek
παραμορφωμένες φουντουκιού
tritoma
In Portuguese
filbert contorcido
Tritoma
In Polish
wykrzywioną leszczyna
Tritoma
In Latin
contortis Avellanam
Trytoma
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asparagales
Family
Betulaceae
Liliaceae
Genus
Corylus
Kniphofia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
1572
1
27800
👆🏻