B and T World Seeds' reference number:
USDA average, annual, minimum temperature Zone:6
Type of plant - perennial
Parts of Delphinium dactylocarpum are considered toxic.
is included in the following B and T World Seeds flowering plant categories:
43: Herbaceous Border Plant Seed List
44: Cut flowers Commercial and other Recommended Varieties
72: Russian Native and Introduced Plants (Central)
Delphinium dactylocarpum seeds will usually germinate in 14-21 days. Normally germinates in the dark. Sow seeds about 2mm deep in a Peaty seed sowing mix at about 10°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".
Cold stratify 2 weeks High temperatures cause dormancy.