Dahoon

Ilex cassine

Native to:
Bahamas, Cuba, Mexico, United States

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Aquifoliaceae
Genus:
Ilex
Species:
Ilex cassine
USDA Symbol:
ILCA

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Shrub , Tree
Height:
1200 cm
Light Requirements:
Part Shade
Drought Tolerance:
Low
Bloom Months:
mar,apr,may
Bloom Colors:
white, cream
Landscaping Shrub:
Yes

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

Henry's Elfin (Incisalia henrici)

Garden & Ecology Notes

Wildlife Value:
birds, small mammals
Deer Resistant:
Yes
Salt Tolerant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
Resprouts from root crown following fire. Common in fire-maintained wetland margins and flatwoods.

Soil Requirements

Soil Type:
moist, acidic, sandy or peaty soil
pH:
4.5 - 6.5 (acidic to slightly acidic)
Drainage:
tolerates poor drainage
Moisture:
consistently moist
Notes:
commonly found in wetlands and swamps

Propagation & Germination

Stratification:
Warm then cold/moist stratification (double dormancy) — 60–90 days
Germination Time:
30–365 days
Notes:
Ilex seeds exhibit double dormancy; warm stratification followed by cold stratification is required. Germination can be erratic and may take over a year.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Expose to fluctuating outdoor winter temps incl. freezing for 3 months. Increase light/temp in spring.

Source: Ontario Rock Garden & Hardy Plant Society