Herbaceous perennials from seed

Perennial plants have become very popular in recent years due largely to changes in cultural procedures and marketing ideas. The term perennials covers a wide range including herbaceous border plants, cut flower items and many of the varieties often referred to as alpine and rockery plants. As most items are raised from seed sown May August, the bedding plant grower can programme to fill space during the summer season. Although some cultivars are propagated vegetatively, this …