When I talk about sowing biennial flowers, I will be the first to admit that I use the term “biennial” very loosely. In general, the term biennial should be used to refer to plants that take two seasons to grow and bloom. However, I tend to call things “biennial” when they may be truly perennial. Either way, of all the seeds I’m planting into trays today – I treat them the same. I sow the seeds around the middle of August, then transplant them into the garden around the first week of October. They then overwinter and bloom the following year. I wish I could be more helpful in…