Approximately 450.00 seeds per gram
seed-counts are only a guide, not to be used for accurate calculations.
B and T World Seeds' reference number:
Type of plant - annual
Flower: frag. WHITE
Fruit: spidery seed pods
Height in meters: 1.5
Common names for Cleome spinosa Queen White - Helen Campbell:
Cleome spinosa Queen White - Helen Campbell
is included in the following B and T World Seeds flowering plant categories:
31: House and Container Plant Seed List
44: Cut flowers Commercial and other Recommended Varieties
45: Bee and Butterfly Attracting also Honey and Pollen Plant Seeds
53: Bedding Plant Seed List
55: Fragrant or Aromatic Flower or Foliage Plant Seeds
952: Wholesale Selection
Cleome spinosa Queen White - Helen Campbell seeds will usually germinate in 10+14 days. Normally will only germinate with light so surface sow. Sow Cleome spinosa Queen White - Helen Campbell seeds on the surface of a Well drained 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".
(Pre-chill for 2 weeks).