Oxybasis ambigua prefers consistently moist soil but can tolerate some dryness. Water thoroughly when the top centimeter of soil feels dry to the touch.

Avoid waterlogging, which can lead to root rot, especially in poorly draining conditions. Reduce watering frequency during cooler months or if the plant is dormant.

Pruning is generally not required for Oxybasis ambigua. If the plant becomes leggy or overgrown, you can lightly prune it back in spring to encourage bushier growth.

Dead or damaged stems should be removed at any time to maintain the plant's health and appearance.

Oxybasis ambigua can be easily propagated from seed. Sow seeds in spring or autumn in well-draining soil. Germination is usually straightforward under normal conditions.

You can also attempt stem cuttings in late spring or early summer, though this method may be less successful than seed propagation.

Repot Oxybasis ambigua when it becomes root-bound, typically every one to two years. Use a well-draining potting mix. Spring is the ideal time to repot.

Choose a pot only slightly larger than the current one to avoid excess moisture retention. Water gently after repotting.