Patti O™ Japanese Holly Ilex crenata
pH:
B (5.6 - 6.2)
B,C (0.6 - 2)
Medium,High (150 - 300 ppm)
High
Moist to Wet
B (65 - 72º Fahrenheit)
A (60 - 65º Fahrenheit)
A (40 - 50º Fahrenheit)
Starting Materials:
Liners
6" and Gallon Pot : 2.25": 12-16 weeks; Quick Turn: 12-16 weeks
10-12" and Two Gallon Pot : 2.25": 18-24 weeks
18" and Three Gallon Pot : Quick Turn: 16-20 weeks
Over Wintering Temperature:
Polyhouse- no heat Light prune when plant puts our new growth. Light pruning versus shearing will allow multiple prunes in one season without shutting down the plant.
Scale if grown in the field
Grower Tips:
Tolerant of a wide range of growing conditions including urban pollution. Prefers light, moist, acidic soils with good drainage. Chlorosis (leaf yellowing) may occur in alkaline soils. 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.
Vernalization:
Cold Required 
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