B and T World Seeds' reference number: 430554
USDA average, annual, minimum temperature Zone:8
Type of plant - tree

Eucalyptus nicholii hardy N Z is included in the following B and T World Seeds flowering plant categories:
11:   Bonsai Seed List (Hardy and Tender)
16:   Eucalypts Relatively Hardy in UK
19:   Everlasting and Dried Flower Seeds Australian and Other
23:   New Zealand Natives and Introduced Species
31:   House and Container Plant Seed List
44:   Cut flowers Commercial and other Recommended Varieties
53:   Bedding Plant Seed List
65:   World Coastal Tree and Plant Seed List
132:   Windy Condition Plant Shrub and Tree Seed List
172:   Tree Species For Coppicing
179:   Street Tree Seeds
185:   Plant Species whose germination is improved by Smoke
190:   Trees and Shrubs For Mediterranean Climates
515:  Myrtaceae

Germination guide
Eucalyptus nicholii hardy N Z seeds will usually germinate in 14-90 days, even under good conditions germination may be erratic. Sow Eucalyptus nicholii hardy N Z 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".

Sow seed and chaff together. (Pre-chill for 4 weeks).