A. mollis is a splendid ground cover or space filler for any but the driest, starved conditions. The rounded glaucousmound up to 12-15 inches and above, then from June to August come loose sprays of sulphur yellow, to give a hazy effect. There is a lushness about this very adaptable plant, and it can be relied on to smother weeds without itself being a nuisance. Jt can be increased by or division and is reliably hardy. Smaller and scarcely less attractive species exist which deserve recognition. A. alpina grows only 6 inches, making good ground cover, with yellow just above, and A. splendens with A. hybrida are more grey-green with similar flowers, both growing about 9 inches high. The sprays of A. mollis are very effective as a foil in floral .