Approximately 0 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:1
Type of plant - tree
Fruit: 3 cm. catkin
Foliage: rhomb. ovate, to 6x5cm.
Height in meters: 15
Common names for Betula neoalaskana:
is included in the following B and T World Seeds flowering plant categories:
29: Temperate Forest and Woodland Tree and Shrub Seed List
97: Canadian Natives Western and British Colombia
120: Alaskan Native Plant Seed List
177: Shrubs and Trees For Autumn Colour
719: North American Native Ethnobotanicals
Betula neoalaskana seeds will usually germinate in 30-90 days, even under good conditions germination may be erratic. Normally will only germinate with light so surface sow. Sow Betula neoalaskana seeds on the surface of a Peaty seed sowing mix at about 22°C.
Stratification (cold treatment or vernalization) Some seeds need to be overwintered before they will germinate. Some seeds need just a couple of weeks, others 3 months. Seeds can be stratified in dampened peat or sand, in a plastic box or bag at 4°C or 5°C in a refrigerator. The seeds should not be frozen or in a wet medium. Very small seeds can be sown on the surface of their growing medium, in pots sealed in plastic bags, and kept in the 'fridge. Many vernalized seeds need light to germinate when they are sown in the "Spring".