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Blue Holly, Meserve Holly, Meserve Hybrid Holly 'Blue Boy'

Ilex x meserveae

Family: Aquifoliaceae (a-kwee-foh-lee-AY-see-ee) (Info)
Genus: Ilex (EYE-leks) (Info)
Species: x meserveae (MESS-erv-ay) (Info)
Cultivar: Blue Boy



Foliage Color:

Unknown - Tell us

Bloom Characteristics:

Unknown - Tell us

Water Requirements:

Unknown - Tell us

Where to Grow:

Unknown - Tell us


12-15 ft. (3.6-4.7 m)


4-6 ft. (1.2-1.8 m)


USDA Zone 4a: to -34.4 C (-30 F)

USDA Zone 4b: to -31.6 C (-25 F)

USDA Zone 5a: to -28.8 C (-20 F)

USDA Zone 5b: to -26.1 C (-15 F)

USDA Zone 6a: to -23.3 C (-10 F)

USDA Zone 6b: to -20.5 C (-5 F)

USDA Zone 7a: to -17.7 C (0 F)

USDA Zone 7b: to -14.9 C (5 F)

USDA Zone 8a: to -12.2 C (10 F)

USDA Zone 8b: to -9.4 C (15 F)

USDA Zone 9a: to -6.6 C (20 F)

USDA Zone 9b: to -3.8 C (25 F)

Sun Exposure:

Full Sun

Sun to Partial Shade


Unknown - Tell us

Bloom Color:

White/Near White


Bloom Time:

Mid Spring


Grown for foliage



Provides winter interest

Other details:

Unknown - Tell us

Soil pH requirements:

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Patent Information:

Unknown - Tell us

Propagation Methods:

Unknown - Tell us

Seed Collecting:

Unknown - Tell us


This plant has been said to grow in the following regions:

Evergreen Park, Illinois

Yorkville, Illinois

Macy, Indiana

Louisville, Kentucky

Plattsmouth, Nebraska

Gardeners' Notes:


On Apr 10, 2006, TBGDN from (Zone 5a) wrote:

The Blue Hollies are so named because the dark green foliage has a blue overcast. The bark on young twigs is purplish. Many male and female cultivars are available and both must be grown in order to obtain fruit production on the females. Although the plants are fairly hardy, foliage can still be injured during severe winters in northern areas. Hardiness Zones: 5 to 7; Height: 8-12 ft; Spread: 8-12 ft; Form: rounded; Type: broad-leaved evergreen shrub; Annual Growth Rate: 12 to 18 inches. There are several cultivars of Ilex x meserveae including, Blue Girl, Blue Prince, Blue Princess, Ebony Magic, Blue Stallion, China Boy, China Girl, Golden Girl and Blue Maid. (Ref. Michigan State University Extension) This is a new plant acquisition here for 2006, and I'm sure within a couple years I can... read more