Mahonia Nervosa Leaves

Evergreen shrub ground cover slow growing to 2 ft 60 cm stoloniferous.

Mahonia nervosa leaves. Mahonia bealei also called leatherleaf mahonia or beale s barberry is originally from china but has been available to western gardeners for generations. The leathery leaves resemble those of holly and the stems and twigs have a thickened corky appearance. The leaves are compound with 9 19 leaflets. The species is hermaphrodite has both male and female organs and is pollinated by insects.

Mahonia nervosa is an evergreen shrub growing to 0 6 m 2ft by 1 m 3ft 3in at a slow rate. Flowers small yellow 30 70 in elongated erect terminal clusters racemes in april june. It is in leaf all year in flower from february to april. Mahonia aquifolium grows to 1 2 m 3 ft 3 in 6 ft 7 in tall by 1 5 m 5 ft wide with pinnate leaves up to 30 cm 12 in long each leaf made up of spiny leaflets.

A coarse textured flowering shrub it does best in a somewhat shaded location. Mahonia nervosa cascade long leaved or dull oregon grape this oregon grape is lower growing evergreen shrub topping out at about two feet. The pale yellow flowers form in long racemes of about eight inches and the leaves are blue green turning dusky maroon during winter. It is an evergreen shrub with short vertical stems mostly under 30 cm 12 in while the leaves reach higher rarely up to 2 m 6 ft 7 in tall.

Leaves are clustered toward the tip of the stem in a terminal rosette. Mahonia rust and other fungal diseases cause leaf spots. Mahonia nervosa is an evergreen shrub usually growing 10 80cm tall occasionally reaching 200cm. Leaves long 30 45 cm clustered at stem tips pinnately compound 11 21 leaflets each 2 5 9 5 cm long bristle toothed glossy green may show purple in winter.

Mahonia nervosa is the easiest to distinguish from other native mahonias. It s a medium sized bush that reminds you of holly but with compound leaves borne on upright stems. This suckering shrub forms a loose groundcover with lustrous emerald leaves and panicles of canary flowers in may and waxy blue berries in autumn. Each leaflet is strongly toothed reminiscent of holly and somewhat shiny but less so than tall oregon grape.

It is hardy to zone uk 6. It has more leaflets 9 19 per leaf per 12 inch 30cm long leaf. The upper side of the leaves turns yellow or brown and may fall off prematurely. Cascade mahonia mahonia nervosa is one of our northwest native plants.

Gray mold caused by the fungus botrytis forms a gray fuzzy mass on affected areas.