Growing Anisodontea (African Mallow)
Latin Name Pronunciation: an-iss-oh-don'tee-a
Grows rapidly in full sun and regular potting soil or average garden soil. Plants brought indoors before frost in fall and placed in a sunny window will continue to produce waves of bloom during winter. Hardy to Zone 9 (20° F).
Growing Standards: A standard is a woody plant trained to a long, single stem. The stem is crowned with a round head of foliage and flowers. This arrangement is beautiful but also unnatural, requiring a bit of effort on the part of the gardener to prevent gravity and the unrepressed inclinations of the plant from undoing the horticulturist's handiwork.
Staking a Standard: To keep your standard standing, put it out of reach of strong winds and support it with a stake that has a diameter at least as large as the stem's and long enough that when plunged into the pot or the ground it just reaches inside the head. Fasten the standard to the stake at several points with garden twine or green plastic tie tape looped in a figure-eight around stem and stake. Check the ties periodically during the growing season and loosen them if they constrict the outward growth of the stem.
Pruning, fertilizing, and repotting: Maintain the shape of the head with selective pinching of the new shoots (overzealous pinching will prevent the formation of flower buds). Pinch each shoot between thumb and forefinger or cut with pruning shears. Do not shear the plant as though it were a hedge. Fertilize standards grown in pots as you would other pot-grown plants. If you find that a standard in a container dries out quickly after watering, the plant probably needs a larger pot. Lift it from its current pot, make four deep vertical cuts in the root ball, and place it in a new pot that is 2in wider and taller than the old one, filling in around the root ball with fresh potting mix. Water thoroughly after repotting.