One of the most interesting yarrow, suitable for growing in rockery, is the umbellate yarrow Achillea umbellata, densely covered with a silvery cutter, forming inflorescence shoots 10-15 cm high, ending with a white flat umbellate.Blooms from May to July.It looks particularly impressive in the vicinity of plants with dark green or maroon foliage.
As a ground cover, it can also be used on the edges of flowerbeds. A valuable rocky species is Achillea tomentosa, which forms silvery-green, flat and very soft carpets. Its quite high, 30 cm shoots end with flat yellow inflorescences 10 cm in diameter.Blooms profusely in May-June.
In turn, the yarrow Kellerera Achillea x kellereri is valued for its silvery-green leaves and large, white, daisy-like flowers gathered in loose corymbs. It is low, it blooms in late May and early June. Interesting and very easy to grow is the golden ground cover Achillea chrysocoma, short (5-8 cm), with very fine green leaves and golden yellow flower baskets appearing in June.
The Achillea clavennae yarrow, on the other hand, has light green and soft silvery leaves and white inflorescences on short (15-20 cm) shoots.
