Life Span
Perennial
Perennial
Type
Perennial
Tree
Origin
Eastern Asia, India, Nepal, China
North America, United States, Northeastern United States, Mid-Atlantic United States, Southeastern United States, North-Central United States, Central United States, South-Central United States, Canada
Types
Victoria Rhubarb
Colorado Red Rhubarb
Turkish Rhubarb
Japanese Evergreen Oak, Sawthorn Oak, Oriental White Oak
Number of Varieties
10020
0
40000
👆🏻
Habitat
gardens, Grassland, Humid climates, Tropical regions, Urban areas
Woodland Garden Canopy
USDA Hardiness Zone
3-74-8
0
99
👆🏻
AHS Heat Zone
8-5
8-1
Sunset Zone
2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17
Habit
Clump-Forming
Upright/Erect
Plant Size
Minimum Height
60.00 cm2,438.40 cm
0
3900
👆🏻
Minimum Width
120.00 cm1,219.20 cm
0
6350
👆🏻
Plant Color
Flower Color
Ivory
Red, Light Yellow, Yellow green
Flower Color Modifier
-
Bicolor
Fruit Color
-
Brown, Sandy Brown, Chocolate
Leaf Color in Spring
Green
Green, Copper
Leaf Color in Summer
Green
Dark Green
Leaf Color in Fall
Green
Orange, Brown, Dark Red
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Compound
Lobed
Thorns
✔
✘
✔
✘
Plant Season
Summer
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Fast
Slow
Type of Soil
Clay, Loam
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Summer, Late Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Drought
Wet Site, 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, Keep the ground moist but not water-logged, Needs a lot of water initially, occasional watering once established, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Acidic, Neutral
Acidic, Neutral
Soil Type
Clay, Loam
Clay, Loam, Sand
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 branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove deadheads
Fertilizers
All-Purpose Liquid Fertilizer
All-Purpose Liquid Fertilizer, High amounts of nutrients, organic fertlizers
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Drought, Wet Site
Flowers
Showy
Insignificant
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
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
-
Antiaphonic, Antiasthamatic, Astringent, Chronic fatigue, Cold, Dysentry, Emetic, Febrifuge, Haemorrhages, Indigestion, Opthalmic, Salve, Sore Eyes, Sore throat, Tonic, Treating fever
Part of Plant Used
Whole plant
Inner Bark, Leaves, Seeds
Other Uses
Culinary use, Used as Ornamental plant
Tannin, Used as a dye, Used as fuel, Used as insect repellent, Used for woodware
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 velutina
Common Name
Hybrid Garden Rhubarb, Rhubarb
Black Oak
In Hindi
एक प्रकार का फल
Black Oak Tree
In German
Rhabarber
Schwarz Oak Tree
In French
Rhubarbe
Noir Oak Tree
In Spanish
Ruibarbo
Negro del árbol de roble
In Greek
Ραβέντι
Black Oak Tree
In Portuguese
Ruibarbo
Carvalho Preto
In Polish
Rabarbar
Czarny Dąb
In Latin
RHEUM
Niger 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
-
Cherokee
Subfamily
-
-
Number of Species
60600
1
27800
👆🏻