Growing & Maintenance Tips for Ilex crenata Sky Box®

According to the Humane Society of America Ilex berries can be toxic to pets. This is means that the plants are generally identified as having the capability for producing a toxic reaction.

Tolerant of a wide range of growing conditions including urban pollution. Prefers moist soils with good drainage. Adaptable to most soil pH levels, though chlorosis (leaf yellowing) may occur in alkaline soils. This can be prevented or treated by fertilizing twice a year in early spring and again in early summer. Maintains a columnar shape without pruning. If pruning is necessary shear in early to mid-summer. Moderate water, drought resistant once established. Evergreen -slower grower. Fertilize in early spring by applying a slow release fertilizer specialized for evergreens. Follow the label for recommended rate of application.