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Height Excluding Pot:
(1ft 11-2ft 7)
Plant shape: Bush
Pot size: 20 Litres
Plant ID: 9642 12
25% Off - Now £86.25
Ceanothus Arboreus Trewithen Blue or Californian Lilac Trewithen Blue A large evergreen shrub prized for its free-flowering habit, Ceanothus Arboreus Trewithen Blue will offer interest year-round. The elegant arching branches are adorned with broadly oval to rounded leaves that can reach up to 8 centimetres in size. The foliage keeps its glossy dark green colour throughout the seasons and provides a beautiful backdrop for the profusion of blossoms late in the spring through early summer. The slightly scented, strikingly deep blue flowers will completely envelop the shrub: they are borne in panicles and can reach up to 12 centimetres in size. In addition to being highly decorative, the floral display will also attract beneficial pollinators to your garden, including butterflies and bees.
Californian Lilac Trewithen Blue was awarded the coveted Award of Garden Merit (AGM) by RHS, which is a reliable sign it will perform well in most UK gardens.
Height and Spread of Ceanothus Arboreus Trewithen Blue A vigorous shrub, Californian Lilac Trewithen Blue can reach a height and spread of 4 to 8 metres. It has a naturally bushy shape and can be grown as a large shrub (or climbing if trained) or even as a small tree.
How Hardy is Ceanothus Arboreus Trewithen Blue The Trewithen Blue variety of Ceanothus is hardy throughout most of the United Kingdom, but as it is originally from California, it does prefer milder areas where winter temperatures do not drop below -10 degrees.
How To Use Ceanothus Arboreus Trewithen Blue Thanks to its eye-catching floral display at the beginning of the summer, Californian Lilac Trewithen Blue is bound to turn heads during its flowering season. Pair it with evergreen shrubs in a mixed shrub border for a pop of colour and to invite pollinators to the garden. You can also grow this pretty shrub on its own and even shape it as a small tree or train it against a south-facing wall as a climber.
How To Care For Ceanothus Arboreus Trewithen Blue Californian Lilac Trewithen Blue does best in full sun and well-drained soil. Slightly less robust from its Ceanothus relatives, this cultivar will appreciate a sheltered location in the garden away from cold and harsh winds.