Scientific name: Ilex crenata ‘Convexa’
Common name: Japanese holly
Family name: Aquifoliaceae
Useful cultivars and selections: Sky pencil (very upright)
USDA hardiness zone: 6
Mature height and spread: 1.3-2m wide and tall
Form: Round and dense
Water use: Moderate
Soil requirements: well-drained
Leaf arrangement: simple. Alternate.
Fall colour: None
Flower/cone/fruit description: Cyme; insignificant. Black drupe.
Limitations: Can get mites but not often.
Suitable uses: Border shrub. Hedge. Hardy and reliable.
Quick ID: Evergreen. Shrub. Black drupe. Simple. Alternate. Black berries. Leaves on end curve upwards. Very tiny leaves (5mm) and very short petioles.