Threelobe Beggarticks prefers consistently moist soil. Water regularly, especially during dry periods, to prevent the soil from drying out.

Avoid waterlogged conditions, but ensure the roots have access to ample moisture. Check the soil moisture by touch and water when the top centimeter feels dry.

Pruning is typically minimal. Dead or damaged stems can be removed at any time. To encourage bushier growth or to control size, light trimming can be done in early spring before new growth begins.

Pinching back the tips can also promote branching.

Threelobe Beggarticks can be easily propagated from seeds sown directly outdoors in spring after the last frost. It also readily self-seeds.

Division of established clumps in spring is another effective method for propagation. Ensure divisions have adequate roots.

Repotting is usually not necessary unless the plant is severely root-bound or being transplanted. If repotting, do so in spring.

Choose a pot that is slightly larger than the current one and use well-draining potting mix. Water thoroughly after repotting.