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PlantFiles: Dahoon Holly
Ilex cassine

Family: Aquifoliaceae (a-kwee-foh-lee-AY-see-ee) (Info)
Genus: Ilex (EYE-leks) (Info)
Species: cassine (ka-SI-nee) (Info)

6 members have or want this plant for trade.


30-40 ft. (9-12 m)

15-20 ft. (4.7-6 m)

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)
USDA Zone 10a: to -1.1 C (30 F)
USDA Zone 10b: to 1.7 C (35 F)

Sun Exposure:
Sun to Partial Shade
Light Shade

Seed is poisonous if ingested

Bloom Color:
White/Near White

Bloom Time:
Mid Winter


Other details:
Drought-tolerant; suitable for xeriscaping

Soil pH requirements:
Unknown - Tell us

Patent Information:
Unknown - Tell us

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Unknown - Tell us

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By RickinFL
Thumbnail #1 of Ilex cassine by RickinFL

By fredrump
Thumbnail #2 of Ilex cassine by fredrump

By jnana
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Thumbnail #5 of Ilex cassine by lilwren

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Thumbnail #6 of Ilex cassine by ViburnumValley

By RickinFL
Thumbnail #7 of Ilex cassine by RickinFL

There are a total of 9 photos.
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1 positive
2 neutrals
No negatives

Gardeners' Notes:

Positive ghcolb On Dec 13, 2012, ghcolb from Deland, FL (Zone 9a) wrote:

Added to our native plantings. Slow upright narrow growth, does well in filtered light in our heavily forested area.

Neutral frostweed On Sep 4, 2006, frostweed from Josephine, Arlington, TX (Zone 8a) wrote:

Dahoon Holly Ilex cassine is Endemic to Texas.

Neutral bleu On Aug 4, 2002, bleu wrote:

A small tree with a narrow growth habit; often found in wet locations. In warmer areas this tree is evergreen; in colder climates will drop its foilage. Female trees are covered with bright red or yellow berries in the winter, which can be used in holiday decorations.

Can be used in woodland plantings or wet areas (e.g., near the edge of lakes or streams), as it tolerates brackish water.


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

Anniston, Alabama
Saraland, Alabama
Stockton, Alabama
Deland, Florida
Hollywood, Florida
Islamorada, Florida
Kissimmee, Florida
Largo, Florida
Naples, Florida
Oldsmar, Florida
Orlando, Florida (2 reports)
Pompano Beach, Florida
Saint Cloud, Florida
Trenton, Florida
New Orleans, Louisiana
Pawleys Island, South Carolina
Knoxville, Tennessee

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