Dierama species performs best when receiving regular moisture during spring and summer,  and when kept relatively dry during winter. Good drainage is essential, as the corms are highly intolerant of winter waterlogging and perform poorly in heavy or clay soils. Plant Dierama nixonianum in well-drained soil,  it grows best in neutral to slightly acidic soils. Rich soils are not necessary, and while light feeding or compost may be applied during the growing season, maintaining healthy, uncongested clumps through regular division is far more important than fertilisation.

Plant Dierama corms at a depth of approximately 5 to 10 cm, depending on their size, and space them at least 5 cm apart to allow sufficient room for clump development. Grow Dierama nixonianum in full sun to encourage strong flowering, although semi-shade is tolerated. The plants can also be grown successfully in containers, provided deep pots are used. Dierama species naturally pull themselves deeper into the soil through the formation of contractile roots, which develop annually, shrink as they die back, and gradually draw the corm downward. New corms form beside or above older ones, and if clumps become overcrowded, the new corms reduce in size and flowering declines.

As plants mature, the older foliage starts to wither, and dried leaves accumulate within the clump. Remove old leaves by cutting them off at ground level rather than pulling them by hand, as the leaves are extremely tough and can damage the growth point or cause injury. Regular cleaning and periodic division are essential to prevent congestion and maintain vigour. If a clump becomes congested and collapses or appears dead, lift it, remove all dead material, split the corms, and replant to restore growth and flowering.

Expect complete foliage die-back after transplanting or dividing any Dierama species, despite most hairbells  being evergreen. This response is normal and temporary, and regrowth only begins once soil temperatures rise, usually in late spring. Mark planting positions clearly and avoid disturbing the corms again, as repeated lifting delays recovery. Although Dierama corms can be transplanted at any time of year, moving them just after flowering in summer results in the fastest regrowth because soil temperatures remain warm.

Dierama species are easily propagated from seed or by division of corms. When sowing in the seeding tray, sow fresh seed in late summer to early autumn or in spring, using a well-drained medium of coarse sand mixed with loam or compost. Space seeds well, as germination rates are usually high, and grow seedlings in deep pots to accommodate early contractile root development. Transplant seedlings before they reach flowering size, as young plants tolerate disturbance well and do not usually die back. Flowering from seed generally occurs after two to four years, depending on species size. Self-sown seedlings often grow faster and more vigorously than cultivated ones and may establish in gravel, paving cracks, or dense plantings.

Dierama nixonianum is generally pest-free, with the most common cause of failure being winter waterlogging leading to corm rot. Prevent problems by ensuring excellent drainage, reducing winter watering, and maintaining healthy, uncongested clumps through regular division.