Yarrow Not only does yarrow tolerate heat and drought like a champion, but this easy-growing perennial is also a great cut flower -- and deer, rabbits, and most other pests won't touch it. It comes in a number of varieties with blooms in shades of yellow, orange, red, pink, and white. Name: Achillea varieties Conditions: Full sun and well-drained soil Size: To 4 feet tall Zones: 3-9 Tips for Growing Yarrow PREV 3/16
1 Salvia nemorosa 'Caradonna’ from the mildly aromatic silvery green leaves to the violet flower spikes with purple stems. Bees love the flowers that stay looking sharp long after the petals fall, thanks to papery bracts that hold their colour. Dead-heading – either little and often or in one go – encourages new flowering side-shoots till October. 'Caradonna’ loves sun; use it as a purple ribbon through late season grasses or, at 18in (45cm), it is the perfect centrepiece for a pot.