The growth rate of Sky Pencil Holly, botanically known as Ilex crenata ‘Sky Pencil’, is typically described as slow to moderate. This characteristic vertical evergreen shrub exhibits an upward growth habit, contributing to its popularity as a formal accent plant or for use in narrow spaces. The rate at which it adds height annually is a key factor in planning its placement in landscapes.
Understanding the growth speed of this holly cultivar is important for landscape design and maintenance. Its relatively slow pace minimizes the need for frequent pruning, making it a low-maintenance option. This slow to moderate growth habit, coupled with its columnar form, offers distinct advantages in creating structured gardens and providing vertical accents without excessive spread. Historically, the desire for compact, upright evergreens has driven the popularity of selections like Sky Pencil Holly.