Acer japonicum ‘Aconitifolium’
Has received the RHS Award of Garden Merit.

Common Name : downy Japanese maple 'Aconitifolium'Type : TreeHabit : BushyFoliage : DeciduousHeight : 4-8 metresSpread : 4-8 metresFlower colour : RedFlowering from : Aprilto MayFoliage colour : Green& RedHardiness : H6
Hardy in all of UK and northern Europe -20° to -15°
Sunlight : Part ShadeMoisture : Moist but well-drainedSoil : Acid / NeutralSeason of interest : Spring - Summer - AutumnTo be Sheltered Description

‘Aconitifolium’ is a large bushy deciduous shrub or small tree. Leaves rounded, with 7-11 deeply cut main lobes, turning crimson in autumn. Flowers red, hanging beneath the shoots in spring.


2018.- Does not look very fit this winter. New foliage and flowering end of March. Lightly pruned and removed a little branch not beautiful. New foliage and bloom mid April. Beautiful (small) development.

2017.- February: light pruning. New foliage & flower buds end of March.

2016.- Beginning of April: new buds. Mid-April: flowering. Mid-July: protected foliage against sun with a parasol. Disappointing autumn foliage, scorched by the summer sun. Decided to protect plant by extending the pergola roof. Done in october.

2015.- Nice autumn colours but only for 2 weeks.

2014.- Planted in the autumn in the S.-E. corner of the pergola.

See on garden plan - Coordinates: R21