For unbelievable ornamental onions, try these blue allium flowers. 1. Blue of the Heavens Growers are certain to delight in ...

Alliums, a type of ornamental onion, produce globe-shaped, pinkish-purple flowers that are a striking addition to any garden.

Often the star of the gardens at the RHS Chelsea Flower Show in May, alliums (ornamental onions) with their purple globes are a stunning sign of summer's imminent arrival. Bees adore them, too. There ...