Betula, Purple Birch, Purple-Leafed Birch 'Royal Frost'

Betula

Family
Betulaceae (beh-tyoo-LAY-see-ee)
Genus
Betula (BET-yoo-luh)
Synonym
Spacing
30-40 ft. (9-12 m)
Sun Exposure
15-20 ft. (4.7-6 m)
20-30 ft. (6-9 m)
Danger
USDA Zone 4a: to -34.4 °C (-30 °F)
USDA Zone 4b: to -31.6 °C (-25 °F)
USDA Zone 5a: to -28.8 °C (-20 °F)
USDA Zone 5b: to -26.1 °C (-15 °F)
USDA Zone 6a: to -23.3 °C (-10 °F)
USDA Zone 6b: to -20.5 °C (-5 °F)
USDA Zone 7a: to -17.7 °C (0 °F)
USDA Zone 7b: to -14.9 °C (5 °F)
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Seed Collecting
Full Sun
Sun to Partial Shade
Light Shade
Fruit Shape
Fruit Size
Pale Yellow
Brown/Bronze
Inconspicuous/none
Fruit Colors
Late Winter/Early Spring
Mid Spring
Growing Habit
Grown for foliage
Deciduous
Provides Winter Interest
Days to Maturity
Seed Type
From softwood cuttings
By grafting
Disease Resistance
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Trees
Where to Grow
Other details
Propagation Methods
5.1 to 5.5 (strongly acidic)
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Fruit Shape
Fruit Size
Fruit Color
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Regional

This plant is said to grow outdoors in the following regions:

San Anselmo, California

San Leandro, California

Glen Ellyn, Illinois

Phoenixville, Pennsylvania

Arlington, Texas

Lexington, Virginia

Seattle, Washington

show all

Featured Videos

Gardener's Notes:

3
positives
2
neutrals
0
negative
Sort By:
Sort By:
R
Downingtown, PA | December 2013 | neutral

I first saw some growing in a nursery field near Phoenixville, in se PA. I saw a small group west of Chicago, ILL, newly planted in Augus...Read More

M
Marin, CA (Zone 9b) | February 2010 | positive

This the most wonderful Birch! The bark is a cinnamony white, and the leaves are shiny, shapely and the darkest color!
The leaves ...Read More

S
Arlington, TX | October 2009 | positive

It is standing up well to the Texas sun and heat, few birches can. The foliage is a wonderful almost metalic purple-green. Its been in ...Read More

R
R
Lexington, VA (Zone 6a) | September 2007 | positive

First year for us in the gardens with this Birch and it appears to be a real winner! Glossy deep burgundy foliage has persisted through ...Read More

B
Lakemont, GA (Zone 8a) | March 2007 | neutral

Betula 'Royal Frost' RED-LEAVED BIRCH Dec (z4)
This hybrid combines the beautiful burgundy foliage of 'Crimson Frost' with some ...Read More

Featured
Juvenal's Duskywing
(Erynnis juvenalis)
Shikra
(Accipiter badius)
Featured
Juvenal's Duskywing
(Erynnis juvenalis)
Shikra
(Accipiter badius)