Blue Barberry

How to grow Blue Barberry

Written by the GardenDecoded editorial team · Last reviewed 21 July 2026 · Written for UK gardens · How we research our guidance

Planting

One of the more reliable evergreens for dry shade under trees or on a north side. Plant in autumn or spring and water through the first year while it roots into difficult ground.

Pruning

Cut back after flowering if it becomes leggy — it takes hard pruning and will reshoot from old wood. Removing a third of the old stems annually keeps the foliage lower and denser.

Propagation

Detach rooted suckers, or take semi-ripe cuttings in late summer.

Pests and diseases

Mahonia rust causes dark red-brown spotting on the leaves, more common in damp still positions. Powdery mildew also occurs.

Value to wildlife

Yellow flowers in early spring are a genuinely useful nectar source for bumblebee queens, and the blue-black berries are taken by birds.

Notes

Still widely sold and labelled as Mahonia aquifolium. The leaves are spiny — keep it back from paths and doorways where people brush past.

This guidance was researched and written by GardenDecoded — see our editorial policy for how guides are checked and reviewed.

Other names for this plant

These names have all been used for Berberis aquifolium but are no longer the accepted name. You may still meet them on old labels, in books, or in nursery catalogues.

Others in Berberis