Life Span
Perennial
Biennial
Type
Fruit
Tree
Origin
Southeastern Asia
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Starfruit
Yellow Birch, Paper Birch, River Birch
Number of Varieties
240
0
40000
👆🏻
Habitat
Subtropical climates, Tropical regions
Hills, Moist Soils
USDA Hardiness Zone
10-144-9
0
99
👆🏻
AHS Heat Zone
11-5
9-1
Sunset Zone
H1, H2, 22, 23, 24
1a, 1b, 2a, 2b, 3a, 3b, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Habit
Arching/Fountain-shaped
Oval or Rounded
Plant Size
Minimum Height
610.00 cm2,133.60 cm
0
3900
👆🏻
Minimum Width
610.00 cm762.00 cm
0
6350
👆🏻
Plant Color
Flower Color
Pink, Rose, Violet
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Yellow, Orange, Light Yellow, Lemon yellow, Yellow green, Gold
Black
Leaf Color in Spring
Green
Green, Light Green
Leaf Color in Summer
Green
Green, Light Green
Leaf Color in Fall
Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Light Green
-
Shape
Leaf Shape
Oblovate
Pinnate
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun
Full Sun, Partial Sun
Growth Rate
Slow
Fast
Type of Soil
Loam, Sand
Clay, Loam
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Average
Average
Bloom Time
Early Spring, Spring, Late Spring, Early Summer, Summer, Late Summer
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
Frost
Wet Site, Pollution, Soil Compaction
Where to Plant?
Ground
Ground
How to Plant?
Seedlings, Stem Planting
Seedlings
Plant Maintenance
Low
Medium
Watering Plants
Watering Requirements
Average Water Needs, Requires watering in the growing season
Requires watering in the growing season, Water daily during growing season, Water Deeply, Water more frequently during periods of extreme drought
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
Loam, Sand
Clay, Loam
Soil Drainage Capacity
Average
Average
Sun Exposure
Full Sun, Partial Sun
Full Sun, Partial Sun
Pruning
Prune in winter, Remove damaged leaves, Remove dead leaves
Remove branches, Remove damaged leaves, Remove dead branches, Remove dead leaves, Remove dead or diseased plant parts, Remove hanging branches
Fertilizers
Fertilize every year
All-Purpose Liquid Fertilizer, fertilize twice a year, Nitrogen
Pests and Diseases
Red blotch
Red blotch
Plant Tolerance
Drought
Pollution, Soil Compaction, Wet Site
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
Medium
Medium
Foliage Sheen
Glossy
Matte
Evergreen
✔
✘
✔
✘
Invasive
✔
✘
✔
✘
Self-Sowing
✔
✘
✔
✘
Attracts
Birds, Butterflies
Ants, Aphids, Birds
Allergy
Kidney Stone
-
Uses
Aesthetic Uses
-
-
Beauty Benefits
-
Good for skin
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification, Food for birds, Food for insects, Nesting sites for birds, Prevent Soil Erosion
Air purification, Nesting sites for birds, Shadow Tree, Shelter for wildlife, Wildlife
Plant Benefits
Medicinal Uses
Anti-oxidant, Antioxidants, High blood pressure, Nutrients
Antibacterial, anti-inflammatory, Arthritis, Boils, bowel syndrome, Combats Stress, Diarrhea, Dysentry, Heart problems, Kidney Stones, Osteoarthritis, Skin Disorders, Urinary tract problems
Part of Plant Used
Fruits, Seeds
Bark, Leaves, Sap
Other Uses
Oil is used in perfume, soaps, creams, etc., Used As Food, Used for its medicinal properties
Medicinal oil, Used as essential oil
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Edible, Fruit / Fruit Tree, Tropical
Feature Plant, Shade Trees
Botanical Name
AVERRHOA carambola
BETULA nigra 'Studetec'
Common Name
Carambola, Starfruit
Black Birch, River Birch, Tecumseh Compact River Birch
In Hindi
carambola पेड़
काले बर्च वृक्ष
In German
Sternfrucht Baum
Schwarze Birke
In French
arbre carambole
Noir Bouleau
In Spanish
árbol de carambola
Negro del árbol de abedul
In Greek
carambola δέντρο
Μαύρο Birch Tree
In Portuguese
árvore de carambola
Bétula Preto
In Polish
karambola drzewo
Czarny Brzoza
In Latin
carambola ligno
Niger Caerulus
Kingdom
Plantae
Plantae
Phylum
Tracheophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Oxalidales
Fagales
Family
Oxalidaceae
Betulaceae
Genus
Averrhoa
Betula
Clade
Angiosperms, Eudicots, Rosids
Angiosperms, Eudicots, Rosids
Tribe
-
-
Subfamily
-
-
Number of Species
18040
1
27800
👆🏻