While the most optimal times to plant the Bios Urn are Spring and early Autumn, it can still be successfully planted in early and mid-winter with a few tips and tricks!
There are two ways to plant a Bios Urn: outdoor and indoor.
Indoor planting ensures the tree grows at a moderate temperature while receiving the proper doses of sunlight and water. Any tree may be started indoors, in a planter or a fitting container with adequate drainage. If you intend to begin the Bios Urn indoors, fewer precautions must be taken, and you can plant as you would normally. The only suggestion is to choose an appropriate tree species and think long-term. Will you be replanting the tree in Spring? If so, any tree will do. Will you keep the tree in the container or planter for long? Then, perhaps choosing a fitting tree species that grows well in a container would be wise.
For outside planting, there are many things you can do to plant the Bios Urn successfully over Winter. It is recommended to start with a tiny seedling or sapling. If you would like to use seeds, then the process of Winter sowing will be necessary.