Odontonema cuspidatum prefers consistently moist soil. Water thoroughly when the top 2-3 cm of soil feels dry. Avoid waterlogging, as this can lead to root rot.

Reduce watering slightly during cooler winter months, but never allow the soil to dry out completely. Good drainage is crucial for this plant.

Prune Odontonema cuspidatum to maintain its shape and encourage bushier growth. Pinch back the tips of stems regularly, especially on young plants. Deadhead spent flowers to promote further blooming.

You can also cut back leggy stems in early spring to rejuvenate the plant.

Propagate Mottled Toothedthread from stem cuttings. Take 10-15 cm cuttings in spring or summer. Remove the lower leaves and dip the cut end in rooting hormone.

Plant the cuttings in a well-draining potting mix and keep them consistently moist and warm. Roots typically form within a few weeks.

Repot Odontonema cuspidatum every 2-3 years, or when the plant becomes root-bound. Choose a pot that is one size larger than the current one. Use a well-draining potting mix.

Spring is the ideal time to repot, giving the plant ample time to establish before the growing season.