Life Span
Perennial
Perennial
Type
Broadleaf Evergreen
Tree
Origin
Asia, Nepal, China, Japan, Korea
Mid-Atlantic United States, Southeastern United States, Central United States, South-Central United States
Types
Apricot Gold, Butter Yellow, Orange Supreme, Dan
-
Number of Varieties
303
0
40000
👆🏻
Habitat
Dappled Shade, Woodland Garden Canopy
bottomlands, Depression on prairies, ditches, Floodplains, Riverbanks, stream banks, Swamps
USDA Hardiness Zone
6-114-9
0
99
👆🏻
AHS Heat Zone
12 - 8
9-1
Sunset Zone
21,22
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
Upright/Erect
Oval or Rounded
Plant Size
Minimum Height
30.00 cm1,220.00 cm
0
3900
👆🏻
Minimum Width
180.00 cm1,220.00 cm
0
6350
👆🏻
Plant Color
Flower Color
White, Orange
Yellow, Brown
Flower Color Modifier
Bicolor
Bicolor
Fruit Color
Blue, Black
Black
Leaf Color in Spring
Green, Dark Green
Green, Light Green
Leaf Color in Summer
Dark Green
Green, Light Green
Leaf Color in Fall
Dark Green
Yellow, Light Yellow, Tan
Leaf Color in Winter
Dark Green
-
Shape
Leaf Shape
Oval, Finely Dentate
Oval with a pointed tip and fine teeth along their edges
Thorns
✔
✘
✔
✘
Plant Season
Spring, Summer, Fall, Winter
Spring, Summer, Fall, Winter
Growing Conditions
Sunlight
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Growth Rate
Medium
Fast
Type of Soil
Clay, Loam, Sand
Clay, Loam, Sand
The pH of Soil
Acidic, Neutral
Acidic, Neutral
Soil Drainage
Well drained
Average
Bloom Time
Spring, Late Spring, Early Fall, Fall
Spring
Repeat Bloomer
✔
✘
✔
✘
Tolerances
-
Wet Site, Pollution, Soil Compaction
Where to Plant?
Container, Ground, Pot
Ground
How to Plant?
Semi-hardwood cuttings
Seedlings
Plant Maintenance
Medium
Low
Watering Plants
Watering Requirements
Average Water Needs
Requires a lot of watering, Requires regular watering
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, Sand
Clay, Loam, Sand
Soil Drainage Capacity
Well drained
Average
Sun Exposure
Full Sun, Partial Sun, Partial shade
Full Sun, Partial Sun
Pruning
Remove no more than one-third of each branch
Prune in the late winter or spring, Remove dead or diseased plant parts, Shape and thin as needed
Fertilizers
All-purpose dry fertilizer
All-Purpose Liquid Fertilizer, No need to fertilize every year
Pests and Diseases
-
Aphids, Red blotch, Sawfly Larvae
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
Nematodes
-
Allergy
-
Asthma
Uses
Aesthetic Uses
Beautification, Showy Purposes
Showy Purposes
Beauty Benefits
Good for skin and hair
-
Edible Uses
✔
✘
✔
✘
Environmental Uses
Air purification
Erosion control, Wildlife
Plant Benefits
Medicinal Uses
Antitussive
-
Part of Plant Used
Bark, Flowers, Fruits, Stem
Whole plant
Other Uses
Used as essential oil, Used as insect repellent, Used in herbal medicines, Used in tea, wine and sweet dishes
used for making roof trusses, poles, joists, piles, Used in construction, Used in Furniture
Used As Indoor Plant
✔
✘
✔
✘
Used As Outdoor Plant
✔
✘
✔
✘
Garden Design
Container, Feature Plant, Hedges, Houseplant, Mixed Border, Screening, Wind Break, Topiary, Bonsai, Espalier
Feature Plant, Shade Trees
Botanical Name
OSMANTHUS fragrans
BETULA nigra
Common Name
Sweet olive, Sweet osmanthus, Tea olive
River Birch
In Hindi
Sweet Olive
River Birch
In German
Sweet Olive
Fluss Birch
In French
Olive douce
Birch river
In Spanish
Oliva dulce
river Birch
In Greek
γλυκό Ελιά
ποταμός Birch
In Portuguese
Olive doce
river Birch
In Polish
słodki Olive
Rzeka Birch
In Latin
Dulce Olive
Betula
Kingdom
Plantae
Plantae
Phylum
Magnoliophyta
Magnoliophyta
Class
Magnoliopsida
Magnoliopsida
Order
Scrophulariales
Fagales
Family
Oleaceae
Betulaceae
Genus
Osmanthus
Betula
Clade
Angiosperms, Asterids, Eudicots
Angiosperms, Eudicots, Rosids
Tribe
Oleeae
-
Subfamily
-
-
Number of Species
153
1
27800
👆🏻