Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Eastern Asia, India, Nepal, China
Central Asia, India, Nepal
Types
Victoria Rhubarb
Colorado Red Rhubarb
Turkish Rhubarb
White oak, Bluff oak, Muller oak
Number of Varieties
100600
0
40000
👆🏻
Habitat
gardens, Grassland, Humid climates, Tropical regions, Urban areas
Clay soil areas, Dry areas, Sandy areas
USDA Hardiness Zone
3-76-9
0
99
👆🏻
AHS Heat Zone
8-5
7-5
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
H1, 7, 8, 9, 14, 15, 16, 17, 20, 21, 22, 23, 24
Habit
Clump-Forming
Oval or Rounded
Plant Size
Minimum Height
60.00 cm2,286.00 cm
0
3900
👆🏻
Minimum Width
120.00 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Ivory
Red, Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Sandy Brown, Sienna
Leaf Color in Spring
Green
Green, Light Green, Gray
Leaf Color in Summer
Green
Green, Gray
Leaf Color in Fall
Green
Green, Dark Green, Gray
Leaf Color in Winter
Light Green
Dark Green, Gray
Shape
Leaf Shape
Compound
broad, flat
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Medium
Type of Soil
Clay, Loam
Loam
The pH of Soil
Acidic, Neutral
Acidic
Soil Drainage
Well drained
Average
Bloom Time
Summer, Late Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Drought
Where to Plant?
Ground
Ground
How to Plant?
Stem Planting
Seedlings, Transplanting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Do Not over Water, Requires regular watering, Use Mulches to help prevent water loss during hot and windy weather, Water Deeply
Average Water Needs
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic
Soil Type
Clay, Loam
Loam
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial 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
All-Purpose Liquid Fertilizer
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought
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
Bold
Medium
Foliage Sheen
Matte
Glossy
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
-
Birds
Allergy
Skin irritation
Pollen
Uses
Aesthetic Uses
-
Showy Purposes
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
-
Chronic fatigue, Cramps, Diarrhea, Dysentry, gallstones, Haemorrhages, Menstrual Cramps
Part of Plant Used
Whole plant
Leaves, Seeds, Wood
Other Uses
Culinary use, Used as Ornamental plant
Used as firewood, used for making charcoal
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Herb / Vegetable, Mixed Border
Feature Plant, Shade Trees
Botanical Name
RHEUM x hybridum
QUERCUS leucotrichophora
Common Name
Hybrid Garden Rhubarb, Rhubarb
Banj Oak, Blackjack Oak, Himalayan Oak
In Hindi
एक प्रकार का फल
Blackjack Oak Tree
In German
Rhabarber
Blackjack Oak Tree
In French
Rhubarbe
Blackjack Oak Tree
In Spanish
Ruibarbo
Blackjack Oak Tree
In Greek
Ραβέντι
Blackjack Oak Tree
In Portuguese
Ruibarbo
Blackjack Carvalho
In Polish
Rabarbar
Blackjack Oak Tree
In Latin
RHEUM
Blackjack quercum ligno
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
-
Magnoliopsida
Order
Caryophyllales
Fagales
Family
Polygonaceae
Fagaceae
Genus
Rheum
Quercus
Clade
Angiosperms, Core eudicots, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
6060
1
27800
👆🏻