Germination of
Banksia robur
Broad-Leafed Swamp Banksia, Swamp Banksia, Rock Banksia
Banksia robur: Banksia robur seeds can be germinated using a method called "smoke water" treatment. Soak the seeds in a solution of smoke water for 24 hours before sowing. Sow the seeds in well-draining soil, about 1/4 inch deep. Keep the soil consistently moist and provide a temperature of around 70-75°F (21-24°C). Germination can take anywhere from a few weeks to several months.
Some of plants may have very have specific germination requirements that may not be covered in these general instructions.
Many seeds require pre-treatment before sowing which we try to list here when we can, but this information may not be present here. Germination times and germination temperatures are to be a guide only. Many factors can DRASTICALLY affect this.
It's always a good idea to research the specific germination requirements from multiple sources for each plant before attempting to grow them from seed.