The abundant foliage and the bright delicate flowers make the crocosmia a lush addition to the garden landscape. Native to South Africa, this lily relative cannot survive extremely cold winter temperatures. The crocosmia thrives in USDA Hardiness Planting zones 6 to 10. Crocosmia grows from a corm, similar in appearance to a bulb. Transplant crocosmia any time of the year or divide out a few corms and start a new stand in another area of the garden.
Drive a shovel into the soil 6 to 8 inches from the edge of the crocosmia stand. Pull back on the handle of the shovel until the soil and the bulbs emerge from the ground.
Work the corms free from the soil using your hands. Lift them gently from the earth and place them a basket or bucket. Cover the corms with 2 inches of loose soil.
Dig holes 3 to 5 inches deep and 6 to 8 inches apart in the new planting location. Plant crocosmia in full sun and well-draining, loamy soil.
Put one corm in each hole and cover it with soil. Pat down the earth firmly and water until the soil is damp to a depth of 5 inches.