These drought-tolerant perennials will come through a dry spell without a great deal of watering.
* Purple coneflower. It has many purple-red, daisy-like blooms from midsummer to early autumn.
* Lavender. This mounding evergreen shrub with silvery-gray needle-like leaves and spikes has purple or white flowers in summer.
* Silver king or silver queen. Has aromatic silvery-gray foliage. It may be invasive in some parts of the country.
* Sedum Autumn Joy. Almost all sedums are drought-resistant. This one has deep pink to bronze flowers in the fall.
* Coronation Gold yarrow. Gold flowers on tall silvery-gray leaves in summer to early fall.
* Drought-tolerant annuals include cosmos, dusty miller, marigold, moss rose and zinnia.
