Life Span
Annual and Perennial
Perennial
Type
Tree
Perennial
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
-
Types
Quercus stellata
Kniphofia uvaria
Number of Varieties
2070
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Damp Places, Marshy ground
USDA Hardiness Zone
5-96-9
0
99
👆🏻
AHS Heat Zone
9-4
9-4
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 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
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
1,830.00 cm45.70 cm
0
3900
👆🏻
Minimum Width
1,680.00 cm50.80 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Yellow, Tan
Yellow, Red, Orange, Pink
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
-
-
Leaf Color in Spring
Dark Green
Green, Blue Green
Leaf Color in Summer
Dark Green
Green, Blue Green
Leaf Color in Fall
Orange, Tan, Bronze, Orange Red
Blue Green, Gray Green, Light Yellow
Leaf Color in Winter
-
Light Green
Shape
Leaf Shape
Elliptic and Ovate
Linear
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Medium
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Early Summer, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Drought
Where to Plant?
Ground
Container, Ground
How to Plant?
Seedlings
Divison, Seedlings
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
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
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
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
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
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
Astringent, Emetic, Febrifuge, Tonic
-
Part of Plant Used
Leaves, Seeds, Wood
-
Other Uses
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
-
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Cutflower, Mixed Border, Rock Garden, Wall
Botanical Name
QUERCUS stellata
KNIPHOFIA 'Border Ballet'
Common Name
Post Oak
Tritoma, Wisley Blue Spring Starflower, Wisley Blue Springstar
In Hindi
पोस्ट ओक
Tritoma
In German
Post oak
Tritoma
In French
Post oak
Tritoma
In Spanish
Post oak
tritoma
In Greek
Post Oak
tritoma
In Portuguese
Post Oak
Tritoma
In Polish
post Oak
Tritoma
In Latin
Post quercu
Trytoma
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Asparagales
Family
Fagaceae
Liliaceae
Genus
Quercus
Kniphofia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
-
Subfamily
-
-
Number of Species
9072
1
27800
👆🏻