Ulex parviflorus prefers well-drained soil and is drought-tolerant once established. Water moderately during its first year to encourage root development.

After establishment, it requires minimal watering, only during prolonged dry spells. Avoid waterlogging, as this can lead to root rot.

Prune Ulex parviflorus lightly after flowering to maintain shape and encourage bushier growth. Avoid cutting into old wood, as it may not resprout.

Hard pruning can be done to rejuvenate overgrown plants, but should be undertaken cautiously. Remove any dead or damaged branches at any time.

Propagation is typically done by sowing seeds, which may require stratification to break dormancy. Seeds can be sown in autumn or early spring.

Cuttings can also be taken from semi-hardwood in summer, treated with rooting hormone, and placed in a well-draining medium.

Ulex parviflorus generally dislikes being transplanted and is best left undisturbed once established. If repotting is necessary for young plants, do so in early spring before active growth begins.

Handle the root ball with care to minimize disturbance and ensure it is planted at the same depth.