Life Span
Annual and Perennial
Perennial
Type
Tree
Cactus
Origin
United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States, Texas
Central America, South America, Brazil
Types
Quercus stellata
Columnar Cacti
Number of Varieties
2050
0
40000
👆🏻
Habitat
Woodland Garden Canopy
Desert, Temperate Regions
USDA Hardiness Zone
5-912-15
0
99
👆🏻
AHS Heat Zone
9-4
12-10
Sunset Zone
7, 8, 9, 12, 13, 14, 15, 16, 18, 19, 20, 21, 22, 23, 24
12, 13, 21, 22, 23, 24
Habit
Oval or Rounded
Upright/Erect
Plant Size
Minimum Height
1,830.00 cm60.00 cm
0
3900
👆🏻
Minimum Width
1,680.00 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Light Yellow, Tan
Red, Orange, Salmon
Flower Color Modifier
Bicolor
-
Fruit Color
-
-
Leaf Color in Spring
Dark Green
-
Leaf Color in Summer
Dark Green
-
Leaf Color in Fall
Orange, Tan, Bronze, Orange Red
-
Leaf Color in Winter
-
-
Shape
Leaf Shape
Elliptic and Ovate
Succulent
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun
Growth Rate
Slow
-
Type of Soil
Clay, Loam, Sand
Loam, Sand
The pH of Soil
Acidic, Neutral, Alkaline
Acidic, Neutral, Alkaline
Soil Drainage
Average
Well drained
Bloom Time
Spring
Spring, Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought, Salt
Drought
Where to Plant?
Ground
Container, Ground, Pot
How to Plant?
Seedlings
Seedlings, Stem Cutting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Needs less watering
Reduce watering in winter
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, Alkaline
Soil Type
Clay, Loam, Sand
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Full Sun
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
Remove damaged leaves, Remove dead branches, Remove dead leaves
Fertilizers
All-Purpose Liquid Fertilizer
Fertilize the soil before planting, slow-release fertilizers
Pests and Diseases
Red blotch
Bacterial Stem Rot, fungus, Mealybugs, Spider mites
Plant Tolerance
Drought
Drought
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
Bold
Foliage Sheen
Glossy
-
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Hummingbirds
Allergy
-
-
Uses
Aesthetic Uses
Showy Purposes
Landscape Designing, Showy Purposes, Wild gardens
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
Whole plant
Other Uses
Used As Food, Used as Ornamental plant, Used in pulpwood and lumber production
Florist trade and landscaping, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees, Street Trees
Container, Houseplant, Rock Garden, Wall
Botanical Name
QUERCUS stellata
Cleistocactus strausii
Common Name
Post Oak
silver torch or wooly torch
In Hindi
पोस्ट ओक
Cleistocactus strausii
In German
Post oak
Cleistocactus strausii
In French
Post oak
Cleistocactus strausii
In Spanish
Post oak
Cleistocactus strausii
In Greek
Post Oak
cleistocactus strausii
In Portuguese
Post Oak
Cleistocactus strausii
In Polish
post Oak
cleistocastus strausii
In Latin
Post quercu
Cleistocactus strausii
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Fagales
Caryophyllales
Family
Fagaceae
Cactaceae
Genus
Quercus
Cleistocactus
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Core eudicots, Eudicots
Tribe
-
Trichocereeae
Subfamily
-
Cactoideae
Number of Species
9020
1
27800
👆🏻