Drought occurs in all parts of the country. In long droughts, water can be restricted. Short periods of drought make gardening more stressful on both the gardener and the plants. The fewer plants you have to worry about supplying water to, the better. Gardeners in all areas of the country can choose plants that can take a soil that goes completely dry, whether the cause is a drought or the gardener forgetting the watering schedule.
Adam's needle (Yucca filamentosa) is also known as bear grass and weak-leaf yucca. The plant is evergreen with leaves that grow from the base of the plant and measure from 2 to 3 feet long and 1 inch wide. Flower spikes grow up to 12 feet tall with white flowers 2 inches long. Adam's needle likes full sun and a soil that is average to dry; it is hardy in USDA zones 5 to 10.
Gulf muhlygrass (Muhlenbergia capillaris) is also known as mist grass, hairawn muhly and pink muhlygrass. The plant grows in USDA zones 5 to 10 and likes full sun, light shade and moist to dry soil. The grass grows up to 3 feet tall and is about the same in width. Purple-red or pink, fuzzy flowers grow in clusters 18 inches long and 10 inches wide.
Purple sage (Leucophyllum frutescens) is also known as Texas ranger, silverleaf, white sage, ash bush and sensia. The plant grows from 3 to 8 feet tall and produces oval-shaped leaves up to 1 inch long. Tube-shaped flowers measure up to 1 inch long and come in pure white, light pink, pale lavender, purple or blue. Plant purple sage in full sun and a soil that is dry and unfertilized. The plant is hardy in USDA zones 7 to10.
Pignut hickory (Carya glabra) is a member of the walnut family and grows from 60 to 80 feet tall with a trunk diameter of 2 to 3 feet and a crown spread of 20 to 30 feet. Deciduous, yellow-green compound leaves grow from 8 to 12 inches long with five to seven leaflets 3 to 6 inches long and turn a golden yellow in the fall. Male flowers grow in hanging clusters and females in clusters at the tips of the branches. Female flowers produce dark brown seed capsules 1 to 2 inches long, each one with a nut about 1 inch long. Plant pignut hickory in partial shade or full sun and a moist to dry soil. The tree is hardy in USDA zones 4 to 9.
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