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M. japonica is an erect medium-sized evergreen shrub with large, spined, leathery pinnate leaves and small, fragrant light yellow flowers in spreading or drooping sprays from late autumn to early spring, followed by blue-black berries
Mahonia x media is a large, evergreen, strongly upright shrub with leaves up to 45cm long composed of 17 to 21 tough, spiny leaflets. The small, cup-shaped, slightly-scented, yellow flowers are carried at the ends of the branches in clusters of long sprays, at first upright then spreading, and followed by juicy, oval, black berries
M. oiwakensis subsp. lomariifolia is an erect large evergreen shrub to 3m, with long, pinnate leaves with spiny leaflets. Flowers bright yellow, slightly scented, in dense, erect, clustered racemes to 25cm in length from late autumn into winter, followed by blue-black berries
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Mahonia × media ?Charity? growing at RHS Garden Wisley...It is he who is credited with the discovery of Mahonia × media and the garden remains well-stocked with mahonias to this day
Mahonia 'Soft Caress': New spine-free Mahonia from Crocus...Mahonia 'Soft Caress': New spine-free Mahonia from Crocus (click to enlarge...Mahonia 'Soft Caress': New spine-free Mahonia from Crocus
Developments in Mahonia - Julian Shaw...Julian Shaw talks about developments in Mahonia in this issue of The Plantsman...See RHS expert advice on pruning evergreens such as Mahonia...
Size & characteristics : Berberis and Mahonia have no significant defoliators other than the larvae of the berberis sawfly ( Arge berberidis ) in the UK...Berberis sawfly larvae are found on Berberis and Mahonia species and cultivars, most frequently on Berberis thunbergii...Adult berberis sawfly can be found flying around Berberis and Mahonia in the spring and summer and have been observed visiting the flowers of Eryngium caerulescens and fennel ( Foeniculum vulgare ), where they feed on nectar and...
Mahonia x media 'Lionel Fortescue' is evergreen and reaches around 3.5m (12ft) and can be used either as a single specimen to add structure to planting or as screening where its erect habit will act as a useful ?filter...Mahonia has leathery, pinnate leaves which are dark green with 17?21 sharply toothed leaflets...Mahonia prefers to be grown in humus-rich, moist, but well-drained soil in full or part shade but will tolerate sun if the soil remains moist
Mahonia...Creamy white, spotted caterpillar like larvae with black heads feed on the foliage of Berberis and Mahonia often causing severe defoliation...Sawfly larvae on plants other than Berberis or Mahonia will be a different species, see links below for other common garden sawflies
EM>Mahonia oiwakensis subsp. lomariifolia
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