Ilex crenata Patti O Box® (Japanese Holly)

Ilex crenata Patti O Box® is a narrow, columnar evergreen Japanese Holly with a shiny foliage of small, extremely dark green leaves, which holds all year. This petite evergreen of refined habit is perfect for small gardens and decorative containers where it provides an elegant, exclamation point.

Ilex crenata Patti O Box® is a narrow, columnar evergreen Japanese Holly with a shiny foliage of small, extremely dark green leaves, which holds all year. This petite evergreen of refined habit is perfect for small gardens and decorative containers where it provides an elegant, exclamation point.

  • Grows up to 3-4 ft. tall (90-120 cm) and 1-2 ft. wide (30-60 cm).
  • A full sun to part shade lover, this plant is easily grown in average, medium moisture, well-drained soils. This plant is not fussy and tolerates a wide variety of soils. However, it prefers moist, slightly acidic soil with good drainage. Some drought tolerance once established.
  • May be affected by aphids, scale insects, holly leaf miner or holly leaf blight. 
  • Perfect as a specimen plant, foundation plantings or wall-side borders.
  • Does not need to be pruned or trained to maintain its shape. If pruning is necessary shear in early to mid-summer.

Requirements

Hardiness 6
– 8

Heat Zones 5
– 7

Climate Zones 3, 3A, 3B, 4, 5, 6, 7, 8, 9, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24
Plant Type Shrubs
Plant Family Ilex – Hollies
Exposure Full Sun, Partial Sun
Season of Interest Spring (Early,Mid,Late)Summer (Early,Mid,Late)FallWinter
Height 3'
– 4'
(90cm
– 120cm)
Spread 1'
– 2'
(30cm
– 60cm)
Spacing 12″
– 36″
(30cm
– 90cm)
Water Needs Average
Maintenance Low
Soil Type Chalk, Clay, Loam, Sand
Soil pH Acid, Alkaline, Neutral
Soil Drainage Moist but Well-Drained, Well-Drained
Characteristics Showy, Evergreen
Tolerance Drought
Garden Uses Beds and Borders, Patio and Containers, Small Gardens, Wall-Side Borders
Garden Styles City and Courtyard, Informal and Cottage