Water prickly lettuce regularly, especially during dry periods, to maintain consistent soil moisture. Avoid overwatering, which can lead to root rot. Allow the top inch of soil to dry out between waterings.

Reduce watering frequency in cooler weather or when the plant is established.

Pruning is typically not required for prickly lettuce. If you wish to manage its size or remove any damaged or diseased parts, do so sparingly.

Pinching back the growing tips can encourage bushier growth, but it's generally grown for its self-seeding capabilities.

Prickly lettuce is easily propagated by seed. It readily self-seeds in the garden, often spreading with little to no human intervention.

Seeds can be collected from mature plants after flowering and sown directly into the garden soil in early spring or fall.

Repotting is not a common practice for prickly lettuce as it is often grown as an annual or biennial and tends to self-seed. If attempting to grow it in a container and it becomes root-bound, repot in spring into a slightly larger container with fresh potting mix.