Big Blue Birch

Betula × caerulea

Also known as: Blue Birch

Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Betulaceae
Genus:
Betula
Species:
Betula × caerulea

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Tree
Height:
More than 40 ft
Bloom Months:
may, jun
Bloom Colors:
Green, Brown

Native Range

United States: Connecticut, Massachusetts, Maine, New Hampshire, New Jersey, New York, Rhode Island, Vermont, Canada: New Brunswick, Nova Scotia, Prince Edward Island, Quebec

Keystone Species Ranking

Caterpillar Keystone:
★☆☆☆☆ Based on number of butterfly and moth species using this genus as host plant (Source: National Wildlife Federation)

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.0 - 6.5 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist
Notes:
Prefers cool, temperate climates

Germination Information

Pre-treatment: Cold-moist stratification for 30 days at 1–5°C (34–41°F).; then Cold-moist stratification for 60 days.

Source: OpenAI GPT-4o