Yarrow, Achillea - Flowering Perennials

Achillea or yarrow is a group of garden perennials that produce large flat heads of flowers on "corymbs" 3 to 5 inches across or more each of which is many of a few dozen individual small flowers.

They grow around 18-36 inches tall depending on variety and are a valuable inclusion in a mixed border. The varieties that are closer to the species types tend to have yellow or golden flowers, though in recent years new cultivars have been developed that produce pastel colors.

The foliage is aromatic, though could aggravate skin allergies in those susceptible.

They are tolerant of a wide range of positions and of soil, though they are happiest in full sun and don't like wet or waterlogged soils.

Propagation is by seed or division of plants in spring or fall. Older plants should be divided to maintain vigor as there are some types which are otherwise quite short-lived.

Aphids may take a liking to your Achillea and so may powdery mildew, so be on the lookout for these