These vigorous, bushy annuals and perennials have aromatic leaves and yellow or orange, rather flat, chrysanthemum-like flowers over a long period. The blooms attract butterflies and make good cut flowers. The genus is made up of 20 to 30 species from an area ranging from Southern Europe to North Africa. Grow in a border, cottage garden, or in containers.
Noteworthy CharacteristicsFast-growing. Aromatic leaves. Long blooming. Good cut flowers.
CareSite in full sun or partial shade in well-drained soil of moderate fertility. Deadhead regularly.
PropagationSow seeds where they are to grow in spring or autumn, providing protection for autumn-sown seedlings if necessary.
ProblemsWhite smut, rust, gray mold, cucumber mosaic virus, aster yellows, powdery mildew, fungal leaf spots, aphids, whiteflies, snails, slugs.