Water Fieldbriar regularly, especially during dry spells. Aim for consistently moist soil, but avoid waterlogging. Allow the top few centimeters of soil to dry out slightly between waterings.

Reduce watering in winter when the plant is dormant.

Prune Fieldbriar in late winter or early spring before new growth begins. Remove dead, damaged, or crossing branches. Pruning helps maintain shape, encourages flowering, and improves air circulation.

Light pruning can be done after flowering to remove spent blooms.

Propagate Rosa agrestis from cuttings taken in summer. Select healthy, semi-ripe shoots, dip the cut end in rooting hormone, and insert into a moist, well-draining compost mix.

Cover with a plastic bag or propagator to maintain humidity and place in a bright, indirect light location.

Fieldbriar generally does not require frequent repotting. If grown in a container, repot every 2-3 years in spring. Choose a pot one size larger than the current one and use a good quality, well-draining potting mix.

Ensure adequate drainage holes.