This species is fast growing, grows well in full sun and does not need a lot of water. It flowers in the late summer, tolerates frost and droughts. Plants flower in abundance with less water, too much water stimulates vegetative growth and less flowers. It is the ideal plant to plant on the hot, western sides of your garden or to plant between your aloes on a rockery. There are no specific pests or diseases affecting Barleria rigida var. rigida.

Barleria rigida var. rigida grows easily from seed or cuttings. Harvest the seed from the ripe capsules. Sow the seed in summer, from December to March, in a container in a mix of 1 part washed river sand and 2 parts potting medium .Place the container in a shady spot and water once a week. Germination starts to take place in fourteen days. Transplant the seedlings when they are 10 cm tall.

Semi-hard plant material is the best for cuttings. Cut the cuttings in lengths of 10 cm. Plant the cuttings in a mixture of 1 part coarse river sand and 2 parts potting mix. Good drainage is essential. Treat the cuttings with a rooting hormone. Plant the cuttings 5 cm apart. Place the container in a shady spot and water twice a week. Plant the rooted cuttings in a good potting mixture. Expect a success rate of 60%.