Inkberry

Ilex glabra

Native to:
Canada, United States, Virgin Islands

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Aquifoliaceae
Genus:
Ilex
Species:
Ilex glabra
USDA Symbol:
ILGL

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub
Height:
300 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
may,jun
Bloom Colors:
white
Evergreen Shrub:
Yes
Landscaping Shrub:
Yes

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★★★☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Keystone Species Ranking

Caterpillar Keystone:
★★★★☆ Butterfly & moth species supported by this genus (NWF)
Pollen Specialist Bee Keystone:
★☆☆☆☆ Native pollen specialist bee species supported by this genus (NWF)

Host Plant for Caterpillars

Gypsy moth (Lymantria dispar), lilac sphinx (Sphinx kalmiae), pawpaw sphinx (Dolba hyloeus), Spotted Apatelodes (Apatelodes torrefacta), Holly Blue (Celastrina argiolus)

Reported Fauna Sightings

Bees: Two-spotted bumble bee (Bombus bimaculatus), ⚠️Western honey bee (Apis mellifera) Moths:pawpaw sphinx (Dolba hyloeus)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown after fire; benefits from periodic fire to reduce competition.

Soil Requirements

Soil Type:
sandy, acidic, nutrient-poor soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
Commonly found in bogs and wetlands

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–60 days
Notes:
Seeds require cold stratification for 60-90 days to break dormancy.

Where to Buy

Nationwide Seller