Life Span
Perennial
Perennial
Type
Epiphyte
Perennial
Origin
Southeastern United States, Latin America and the Caribbean, Caribbean, Central America, South America
Eastern Asia, India, Nepal, China
Types
-
Victoria Rhubarb
Colorado Red Rhubarb
Turkish Rhubarb
Number of Varieties
3100
0
40000
👆🏻
Habitat
Swamps
gardens, Grassland, Humid climates, Tropical regions, Urban areas
USDA Hardiness Zone
10-133-7
0
99
👆🏻
AHS Heat Zone
12-9
8-5
Sunset Zone
H1, H2, 23, 24
2a, 2b, 3a, 3b, 4, 5, 6, 7, 14, 15, 16, 17
Habit
Clump-Forming
Clump-Forming
Plant Size
Minimum Height
30.50 cm60.00 cm
0
3900
👆🏻
Minimum Width
25.60 cm120.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Burgundy, Dark Red, Light Green, Violet, Dark Salmon
Ivory
Flower Color Modifier
Multi-Color
-
Fruit Color
-
-
Leaf Color in Spring
Green
Green
Leaf Color in Summer
Green
Green
Leaf Color in Fall
Green
Green
Leaf Color in Winter
Green
Light Green
Shape
Leaf Shape
Long Linear
Compound
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Summer
Growing Conditions
Sunlight
Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
-
Clay, Loam
The pH of Soil
Neutral, Slightly Acidic
Acidic, Neutral
Soil Drainage
Well drained
Well drained
Bloom Time
Late Spring, Early Summer, Summer, Late Summer, Early Fall, Fall, Late Fall
Summer, Late Summer
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Drought
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Bulbs, By dividing rhizomes, tubers, Divison
Stem Planting
Plant Maintenance
Medium
Medium
Watering Plants
Watering Requirements
Average Water Needs, Do Not over Water, Requires regular watering
Do Not over Water, Requires regular watering, Use Mulches to help prevent water loss during hot and windy weather, Water Deeply
In Summer
Lots of watering
Lots of watering
In Spring
Moderate
Moderate
In Winter
Average Water
Average Water
Soil
Soil pH
Neutral, Slightly Acidic
Acidic, Neutral
Soil Type
-
Clay, Loam
Soil Drainage Capacity
Well drained
Well drained
Sun Exposure
Partial Sun, Partial shade
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
Showy
Showy
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
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Bees, pollinators
-
Allergy
-
Skin irritation
Uses
Aesthetic Uses
Bouquets, Showy Purposes
-
Beauty Benefits
-
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Air purification
Plant Benefits
Medicinal Uses
Cancer, Eye Problems
-
Part of Plant Used
Bulbs, Flowers, Leaves
Whole plant
Other Uses
Used as Ornamental plant
Culinary use, Used as Ornamental plant
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Houseplant, Mixed Border
Edible, Herb / Vegetable, Mixed Border
Botanical Name
PROSTHECHEA cochleata
RHEUM x hybridum
Common Name
Clamshell Orchid, Cockleshell Orchid, Black Orchid
Hybrid Garden Rhubarb, Rhubarb
In Hindi
Clamshell Orchid
एक प्रकार का फल
In German
Clamshell Orchid
Rhabarber
In French
Clamshell Orchid
Rhubarbe
In Spanish
Clamshell Orchid
Ruibarbo
In Greek
Encyclia Cochleata
Ραβέντι
In Portuguese
Clamshell Orchid
Ruibarbo
In Polish
Clamshell Orchid
Rabarbar
In Latin
Clamshell Orchid
RHEUM
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Tracheophyta
Class
Liliopsida
-
Order
Orchidales
Caryophyllales
Family
Orchidaceae
Polygonaceae
Genus
Prosthechea
Rheum
Clade
Angiosperms, Monocots
Angiosperms, Core eudicots, Eudicots
Tribe
Epidendreae
-
Subfamily
Epidendroideae
-
Number of Species
5060
1
27800
👆🏻