Helichrysum retortum can be propagated vegetatively by stem cuttings from slightly stiff new growth. A rooting hormone suitable for semi-hardwood cuttings can be used to enhance the formation of roots. Cuttings are placed in a well-drained propagation medium, such as river sand, vermiculite or fine-milled bark. Place cuttings in a propagation house with adequate misting, lighting, good airflow, humidity and bottom heating. Monitor cuttings on a regular basis to ensure they receive sufficient water. Pot-on into a well-draining potting-mixture. 

The author has not grown the species from seed before. However, since this is a fynbos species, an attempt at having the seeds to germinate can potentially involve exposing the seeds to a smoke pre-germination treatment. Not all Asteraceae species needs smoke to enhance their dormancy, so therefore no extra pre-treatment of the seed might even be required. Sow seeds in autumn using a well-drained potting medium. Germinated seedlings must be regularly monitored until big enough to be transplanted into a containers of suitable size.

This is a quick-growing, relatively water-wise plant that can be enhanced with some pruning when necessary. It is a good groundcover or filler in the garden in coastal areas, especially close to the shore-line, and in inland areas. This species should thrive in pots, balconies and rockeries.

A low-growing perennial, this species could be used along edges with equal impact in formal or informal planting. In its natural habitat it grows and thrives with a variety of species listed below as companion plants: Leucospermum prostratum, L. heterophyllum, Coleonema album, C. pulchellum, Agathosma capensis, A. gonaquensis, A. imbricata, A. dielsiana, A. hookerii, A. muirii, A. ciliaris, A. ovata, Acmadenia heterophylla, Cotyledon orbiculata, Salvia lanceolata, S. aurea, S. africana, Pelargonium betulinum, P. capitatum, P. fulgidum, P. fruticosum, P. gibbosum, P. cucculatum, Elegia tectorum, Restio festuciformis, Orphium frutescens, Othonna dentata, Senecio maritimus, S. elegans, S. arenarius, Aloe succotrina and Erica brachialis.

No pests have been observed.