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.
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.
WITH GIANT PURPLE globes and metallic pink sparklers, ornamental onions (Allium) blooming in the spring garden are a spectacular sight. But there are more stars in the Allium galaxy than those ...