Pelargonium hispidum can be propagated from both seeds and cuttings. Cuttings can be taken at any time of the year from a healthy vigorous plant, from softwood or herbaceous growth. The use of a rooting hormone powder will speed up the rooting process, especially for the softwood cuttings. Place the cuttings in river sand in cold frames and keep them moist. The cuttings should root in 2-4 weeks. Give the rooted cuttings a 2-4 week weaning or hardening-off period and transplant them into a well-drained potting soil mix and place them in a sunny position. Feed with an organic based liquid fertilizer. As soon as they have formed a strong root-ball they can be planted out into the garden.

Sow seeds in late summer to early autumn. The seed should be sown in a light, well-drained potting mix. Sow the seeds evenly in the seed tray and cover them with fine white sand or fine-milled pine bark. Water the seeds gently but thoroughly with a fine rose spray and place them in light shade with no direct sun. The seeds will germinate in 2-3 weeks.

Pelargonium hispidum is a tough shrub suitable for coastal gardens, fynbos gardens, low maintenance and water-wise gardens. The shrub is able to grow in most soil types from full sun to semi-shade. In the Western Cape the best time to plant is during the rainy months of winter to allow plants to establish themselves before the warm, dry summers. Plants can be maintained in the garden for several years, but need to be cut back after flowering to keep them tidy and vigorous. Once established, they require water to encourage rapid and healthy growth.