Life Span
Perennial
  
Perennial
  
Type
Perennial
  
Tree
  
Origin
Hybrid origin
  
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
Not Available
  
Habitat
gardens, Grassland, Humid climates, Tropical regions, Urban areas
  
Woodland Garden Canopy
  
USDA Hardiness Zone
5-8
  
4-8
  
AHS Heat Zone
8-3
  
8-1
  
Sunset Zone
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
2,438.40 cm
  
15
Minimum Width
1,219.20 cm
  
15
Plant Color
  
  
Flower Color
Light Pink
  
Red, Light Yellow, Yellow green
  
Flower Color Modifier
Not Available
  
Bicolor
  
Fruit Color
Burgundy
  
Brown, Sandy Brown, Chocolate
  
Leaf Color in Spring
Green, Dark Red
  
Green, Copper
  
Leaf Color in Summer
Green, Dark Red
  
Dark Green
  
Leaf Color in Fall
Green, Dark Red
  
Orange, Brown, Dark Red
  
Leaf Color in Winter
Light Green
  
Not Available
  
Shape
  
  
Leaf Shape
Compound
  
Lobed
  
Thorns
No
  
No
  
Plant Season
Spring, Summer, Fall
  
Spring, Summer, Fall, Winter
  
Growing Conditions
  
  
Sunlight
Full Sun, Partial Sun
  
Full Sun, Partial Sun
  
Growth Rate
Medium
  
Slow
  
Type of Soil
Clay, Loam
  
Clay, Loam, Sand
  
The pH of Soil
Acidic, Neutral, Alkaline
  
Acidic, Neutral
  
Soil Drainage
Average
  
Average
  
Bloom Time
Summer, Late Summer
  
Spring
  
Repeat Bloomer
No
  
No
  
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, Alkaline
  
Acidic, Neutral
  
Soil Type
Clay, Loam
  
Clay, Loam, Sand
  
Soil Drainage Capacity
Average
  
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
Not Available
  
Not Available
  
Fruits
  
  
Showy Fruit
Yes
  
Yes
  
Edible Fruit
No
  
Not Available
  
Fragrance
  
  
Fragrant Flower
No
  
No
  
Fragrant Fruit
No
  
No
  
Fragrant Leaf
No
  
No
  
Fragrant Bark/Stem
No
  
Yes
  
Showy Foliage
Yes
  
Yes
  
Showy Bark
No
  
Yes
  
Foliage Texture
Coarse
  
Medium
  
Foliage Sheen
Glossy
  
Glossy
  
Evergreen
No
  
No
  
Invasive
No
  
No
  
Self-Sowing
No
  
Yes
  
Attracts
Not Available
  
Birds
  
Allergy
Skin irritation
  
Hay fever, Itchy eyes, Runny nose, sneezing, Watery eyes, Whooping Cough
  
Uses
  
  
Aesthetic Uses
Showy Purposes
  
Not Used For Aesthetic Purpose
  
Beauty Benefits
Not Available
  
Not Available
  
Edible Uses
Yes
  
Yes
  
Environmental Uses
Air purification
  
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
  
Plant Benefits
  
  
Medicinal Uses
Not Available
  
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
No
  
No
  
Used As Outdoor Plant
Yes
  
Yes
  
Garden Design
Feature Plant, Mixed Border
  
Feature Plant, Shade Trees
  
Botanical Name
RHEUM 'Ace of Hearts'
  
QUERCUS velutina
  
Common Name
Ace of Hearts Ornamental Rhubarb, Ornamental Rhubarb
  
Black Oak
  
In Hindi
सजावटी प्रकार का फल
  
Black Oak Tree
  
In German
Ornamental Rhabarber
  
Schwarz Oak Tree
  
In French
rhubarbe ornementale
  
Noir Oak Tree
  
In Spanish
Ornamental de ruibarbo
  
Negro del árbol de roble
  
In Greek
καλλωπιστικά Ραβέντι
  
Black Oak Tree
  
In Portuguese
ornamental ruibarbo
  
Carvalho Preto
  
In Polish
ozdobne Rabarbar
  
Czarny Dąb
  
In Latin
decentius Rhubarb
  
Niger quercum ligno
  
Kingdom
Plantae
  
Plantae
  
Phylum
Tracheophyta
  
Magnoliophyta
  
Class
Not Available
  
Magnoliopsida
  
Order
Caryophyllales
  
Fagales
  
Family
Polygonaceae
  
Fagaceae
  
Genus
Rheum
  
Quercus
  
Clade
Angiosperms, Core eudicots, Eudicots
  
Angiosperms, Eudicots, Rosids
  
Tribe
Not Available
  
Cherokee
  
Subfamily
Not Available
  
Not Available
  
Season and Care of Ornamental Rhubarb and Black Oak
Season and care of Ornamental Rhubarb and Black Oak is important to know. While considering everything about Ornamental Rhubarb and Black Oak Care, growing season is an essential factor. Ornamental Rhubarb season is Spring, Summer and Fall and Black Oak season is Spring, Summer and Fall. The type of soil for Ornamental Rhubarb is Clay, Loam and for Black Oak is Clay, Loam, Sand while the PH of soil for Ornamental Rhubarb is Acidic, Neutral, Alkaline and for Black Oak is Acidic, Neutral.
Ornamental Rhubarb and Black Oak Physical Information
Ornamental Rhubarb and Black Oak physical information is very important for comparison. Ornamental Rhubarb height is 71.10 cm and width 81.30 cm whereas Black Oak height is 2,438.40 cm and width 1,219.20 cm. The color specification of Ornamental Rhubarb and Black Oak are as follows:
Ornamental Rhubarb flower color: Light Pink
Ornamental Rhubarb leaf color: Green and Dark Red
Black Oak flower color: Red, Light Yellow and Yellow green
- Black Oak leaf color: Green and Copper
Care of Ornamental Rhubarb and Black Oak
Care of Ornamental Rhubarb and Black Oak include pruning, fertilizers, watering etc. Ornamental Rhubarb pruning is done Remove damaged leaves, Remove dead branches and Remove dead leaves and Black Oak pruning is done Remove branches, Remove damaged fruit, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts and Remove deadheads. In summer Ornamental Rhubarb needs Lots of watering and in winter, it needs Average Water. Whereas, in summer Black Oak needs Lots of watering and in winter, it needs Average Water.