Shrubs

Berberis thunbergii 'Kasia'

Sunjoy® Mini Saffron barberry

Sunjoy® Mini Saffron barberry. Photo courtesy of Proven Winners.

A low, bun-shaped barberry with bright yellow foliage and orange-tinted new growth. Leaves shift to orange-red in autumn. Its small size and naturally rounded outline make it a colorful accent in sunny landscape beds without frequent trimming.

At a glance

Sun: Full sun
Mature size: 18–24 in. tall × 24–30 in. wide
Water: Moderate; well-drained soil
Hardiness: USDA zones 4–8

Sizes & prices

#2Proven Winner$44.99
#3$49.99

Catalog updated September 8, 2026. This is not a live stock count; please call to confirm availability and price.

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Resistance & tolerances

Deer: Resistant; not browse-proof.
Wet soil: Prefers well-drained soil.

Resistance is not a guarantee; deer and rabbits may browse any plant.

Keep in mind: Thorny stems; place away from narrow paths and play areas. University of Kentucky Extension lists Japanese barberry as invasive. Consider a non-invasive alternative near natural areas.

Seasonal interest

Foliage: Deciduous.

Growing & care

Pruning: Little pruning needed; shape lightly in summer if necessary.

Sources & photo credits

Proven Winners

publications.ca.uky.edu

Photo: Photo courtesy of Proven Winners · Authorized nursery promotional use

Reviewed September 21, 2026. Growing conditions vary by location.