How to Raise Hardy Biennials
Most of our spring flowering bedding subÂjects are hardy biennials, or else plants treated as such. There are two ways of raising these plants depending upon their mode of growth. Wallflowers and sweet wilÂliams are easiest raised in drills in the open ground, while forget-me-nots, pansies and polyanthus are best grown in trays or pots. [...]