Approximately 20.00 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:6
Type of plant - tree
Fruit: RED-BROWN samara (stratify)
Foliage: to 60cm., 16-30 lfts., RED-BRONZE young growth, fast growing initially
Height in meters: 30
Ailanthus altissima seeds may be subject to seasonal availability
Common names for Ailanthus altissima:
is included in the following B and T World Seeds flowering plant categories:
1: Stock list
8: World Classic Tree Seed List
34: Oriental Herb and Vegetable Seed List
36: Herb Seed List Culinary Medicinal Dye and Aromatic
51: Chinese Native and Introduced Plants
55: Fragrant or Aromatic Flower or Foliage Plant Seeds
131: Toxic Plants
Ailanthus altissima 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 Ailanthus altissima seeds on the surface of a Well drained seed sowing mix at about 12°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".
Chip, soak then Pre-chill for 2 weeks.