The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.
But are sunflowers perennials that will come back after the winter? That depends on which sunflower you’re talking about, because some species are perennials and others are annual. Here's what ...
The Royal Horticultural Society is the UK’s leading gardening charity. We aim to enrich everyone’s life through plants, and make the UK a greener and more beautiful place.
Perennials are the stalwarts of our garden borders, providing colourful garden flowers, year after year. There are many different types, including herbaceous perennial, short-lived perennial, woody ...