Resin Birch
Betula glandulosa
- Native to:
- Canada, Greenland, Kuril Is., Labrador, Prince Edward I., Russia, United States
El Grafo
Taxonomy
- Division:
- Magnoliophyta | - Flowering plants
- Family:
- Betulaceae
- Genus:
- Betula
- Species:
- Betula glandulosa
- USDA Symbol:
- BEGL
Growth Characteristics
- Life Cycle:
- Perennial
- Growth Habit:
- Shrub , Subshrub
- Height:
- 300 cm
- Light Requirements:
- Full Sun
- Drought Tolerance:
- Low
- Bloom Months:
- apr,may,jun
- Bloom Colors:
- yellow-green
Wildlife Benefits
- Butterflies & Moths:
- ★★★★☆ Documented Lepidoptera association (GBIF)
Keystone Species Ranking
- Caterpillar Keystone:
- ★★★★★ Butterfly & moth species supported by this genus (NWF)
Reported Fauna Sightings
Moths:Nemophora bellela
Garden & Ecology Notes
- Wildlife Value:
- birds, small mammals
- Fall Color:
- yellow
- Fire Ecology:
- Fire adapted — tolerates or benefits from fire
- Fire Notes:
- Resprouts from root crown after fire; seeds germinate well on mineral soil post-fire.
Soil Requirements
- Soil Type:
- poor, acidic, peaty or sandy soil
- pH:
- 4.5 - 6.5 (acidic to slightly acidic)
- Drainage:
- tolerates poor drainage
- Moisture:
- consistently moist
- Notes:
- Common in bogs and wetland areas.
Propagation & Germination
- Stratification:
- Cold/moist stratification required — 30–60 days
- Germination Time:
- 14–30 days
- Notes:
- Seeds require cold stratification for 30-60 days; sow on moist peat or sand.
Pre-treatment: Seeds are placed into a 24 hour water soak followed by a 60 day cold, moist stratification.
Establishment: Seeds are collected in early October when catkins have turn papery and scales begin to dehisce. Seeds are brown at maturity. Branches are flailed over a canvas tarp. Seeds are swept into bags and kept in a well ventilated drying shed prior to cleaning.
Source: npn.rngr.net
ORGHPS Germination Guide: Sow @ 4C for 3 months, then place @ 20C for 3 months. GA3 improves germination.
Where to Buy
Nationwide Seller
- Sheffield's Seed (seeds)