Life Span
Perennial
Perennial
Type
Tree
Perennial
Origin
North America, Northeastern United States, Mid-Atlantic United States, North-Central United States, Central United States, South-Central United States, Canada
-
Types
-
Kniphofia uvaria
Number of Varieties
2070
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Damp Places, Marshy ground
USDA Hardiness Zone
3-116-9
0
99
👆🏻
AHS Heat Zone
10-1
9-4
Sunset Zone
7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Upright/Erect
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
8.50 cm50.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Tan, Sandy Brown
Yellow, Red, Orange, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Green, Sandy 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
oblong or obovate
Linear
Thorns
✔
✘
✔
✘
Plant Season
-
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
Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Early Spring, Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
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
Neutral, Alkaline
Acidic, Neutral
Soil Type
Clay, Loam, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Average
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
Any balanced general purpose fertilizer
All-Purpose Liquid Fertilizer, Apply N-P-K
Pests and Diseases
Blackspot mold
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
Medium
Coarse
Foliage Sheen
Matte
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Beetles, Birds
Snails
Allergy
Miscarriage, Rash
-
Uses
Aesthetic Uses
-
Borders, Cottage Garden, Ground Cover
Beauty Benefits
Beautiful Skin, Heals Damaged Hair, Strong, beautiful hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Demulcent, Diuretic, Expectorant, Nutritive
-
Part of Plant Used
Fruits, Inner Bark, Leaves
-
Other Uses
Chewed as a thirst quencher, Tea-like beverage can be brewed, Used as a thickener in soups, Used to make a twine
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Shade Trees
Container, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
ULMUS rubra
KNIPHOFIA 'Border Ballet'
Common Name
Slippery Elm
Tritoma, Wisley Blue Spring Starflower, Wisley Blue Springstar
In Hindi
Slippery Elm
Tritoma
In German
Rotulme
Tritoma
In French
Slippery Elm
Tritoma
In Spanish
olmo resbaladizo
tritoma
In Greek
Slippery Elm
tritoma
In Portuguese
Slippery Elm
Tritoma
In Polish
Slippery Elm
Tritoma
In Latin
Lubricus Elm
Trytoma
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Urticales
Asparagales
Family
Ulmaceae
Liliaceae
Genus
Ulmus
Kniphofia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
2072
1
27800
👆🏻