Water regularly to keep the soil consistently moist, especially during dry periods. Allow the top 2-3 cm of soil to dry out slightly between waterings. Avoid waterlogging, as this can lead to root rot.

Reduce watering in cooler months when growth slows down.

Pruning is usually not necessary for annual wallrocket. If plants become leggy or overgrown, light trimming can encourage bushier growth.

Deadheading spent flowers can promote further blooming and prevent self-seeding if unwanted.

Diplotaxis muralis is easily grown from seed. Sow seeds directly into the garden in early spring or late autumn. Seeds germinate quickly under optimal conditions.

It can also self-seed readily, making propagation straightforward.

As an annual plant, repotting is generally not required. If starting seeds indoors in pots, transplant seedlings to their final location once they are large enough to handle and the danger of frost has passed.

Ensure good drainage in the temporary pots.