Tawnyberry Holly

Ilex krugiana

Native to:
Bahamas, Dominican Republic, Haiti, Puerto Rico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Aquifoliaceae
Genus:
Ilex
Species:
Ilex krugiana
USDA Symbol:
ILKR

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
1500 cm
Light Requirements:
Full Sun
Drought Tolerance:
Medium
Bloom Months:
mar,apr,may
Bloom Colors:
white

Wildlife Benefits

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

Half-blind sphinx (Perigonia lusca)

Garden & Ecology Notes

Wildlife Value:
birds
Salt Tolerant:
Yes

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
5.5 - 7.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
consistently moist

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 60–120 days
Germination Time:
30–180 days
Notes:
Ilex seeds often exhibit double dormancy and may take 1-2 years to germinate. Warm stratification followed by cold stratification improves germination rates.

The above propagation data sourced from Claude AI