Life Span
Perennial
Annual
Type
Tree
Tender Perennial
Origin
Central Asia, India, Nepal
Southeastern Asia
Types
White oak, Bluff oak, Muller oak
Eddoe taro, Dasheen taro
Number of Varieties
600200
0
40000
👆🏻
Habitat
Clay soil areas, Dry areas, Sandy areas
agricultural areas, Hillside, Warm and moist climatic conditions
USDA Hardiness Zone
6-910-11
0
99
👆🏻
AHS Heat Zone
7-5
12-8
Sunset Zone
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
H1, H2, 22, 23, 24
Habit
Oval or Rounded
Clump-Forming
Plant Size
Minimum Height
2,286.00 cm30.00 cm
0
3900
👆🏻
Minimum Width
1,219.20 cm30.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Red, Yellow green
White, Green
Flower Color Modifier
Bicolor
-
Fruit Color
Sandy Brown, Sienna
Red
Leaf Color in Spring
Green, Light Green, Gray
Dark Green, Ivory
Leaf Color in Summer
Green, Gray
Dark Green, Ivory
Leaf Color in Fall
Green, Dark Green, Gray
Dark Green, Ivory
Leaf Color in Winter
Dark Green, Gray
Dark Green, Ivory
Shape
Leaf Shape
broad, flat
V-Shaped
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Partial shade, Full Shade
Growth Rate
Medium
Fast
Type of Soil
Loam
Loam, Sand
The pH of Soil
Acidic
Acidic, Neutral
Soil Drainage
Average
Well drained
Bloom Time
Spring
Indeterminate
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Heat Tolerance, Humidity, Salt and Soil Compaction, Shallow soil
Where to Plant?
Ground
Container
How to Plant?
Seedlings, Transplanting
From Rhizomes
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs
Needs 2-3 times watering per week, Needs a lot of water initially
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic
Acidic, Neutral
Soil Type
Loam
Loam, Sand
Soil Drainage Capacity
Average
Well drained
Sun Exposure
Full Sun, Partial Sun
Partial shade, Full Shade
Pruning
Remove damaged leaves, Remove dead branches, Remove dead leaves
-
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, Less fertilizing
Pests and Diseases
Red blotch
Aphids, Rats, Snails
Plant Tolerance
Drought
Heat Tolerance, Salt and Soil Compaction, Shade areas
Flowers
✔
✘
✔
✘
Flower Petal Number
-
-
Fruits
Showy Fruit
✔
✘
✔
✘
Edible Fruit
✔
✘
✔
✘
Fragrance
Fragrant Flower
✔
✘
✔
✘
Fragrant Fruit
✔
✘
✔
✘
Fragrant Leaf
✔
✘
✔
✘
Fragrant Bark/Stem
✔
✘
✔
✘
Showy Foliage
✔
✘
✔
✘
Showy Bark
✔
✘
✔
✘
Foliage Texture
Medium
Bold
Foliage Sheen
Glossy
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds
Aphids, Bugs, Snails
Allergy
Pollen
Swelling in mouth, Throat itching
Uses
Aesthetic Uses
Showy Purposes
Showy Purposes
Beauty Benefits
-
Poison Ivy, Skin cleanser, Weightloss
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
No fertilizer, pesticides, or herbicides needed, Prevent weeds
Plant Benefits
Medicinal Uses
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Aging, Laxative, Weight loss
Part of Plant Used
Leaves, Seeds, Wood
Leaf Stalks, Leaves
Other Uses
Used as firewood, used for making charcoal
Used As Food, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Feature Plant, Shade Trees
Container, Feature Plant, Groundcover, Houseplant, Mixed Border, Tropical
Botanical Name
QUERCUS leucotrichophora
ALOCASIA micholitziana
Common Name
Banj Oak, Blackjack Oak, Himalayan Oak
Elephant Ear, Taro
In Hindi
Blackjack Oak Tree
अरवी
In German
Blackjack Oak Tree
Colocasia (Pflanzengattung)
In French
Blackjack Oak Tree
Colocasia
In Spanish
Blackjack Oak Tree
Colocasia
In Greek
Blackjack Oak Tree
Colocasia
In Portuguese
Blackjack Carvalho
Colocasia
In Polish
Blackjack Oak Tree
Kolokazja
In Latin
Blackjack quercum ligno
Colocasia
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Liliopsida
Order
Fagales
Arales
Family
Fagaceae
Araceae
Genus
Quercus
Alocasia
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Monocots
Tribe
-
Colocasiodeae
Subfamily
-
Aroideae
Number of Species
6010
1
27800
👆🏻