Japanese Maple
Acer palmatum 'Korean Gem'

Family: Sapindaceae (sap-in-DAY-see-ee) (Info)
Genus: Acer (AY-ser) (Info)
Species: palmatum (pahl-MAY-tum) (Info)
Cultivar: Korean Gem
» View all varieties of Japanese Maples

Category:

Trees

Group:

Unknown - Tell us

Height:

15-20 ft. (4.7-6 m)

Spacing:

12-15 ft. (3.6-4.7 m)

15-20 ft. (4.7-6 m)

Hardiness:

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:

Sun to Partial Shade

Light Shade

Foliage:

Grown for foliage

Smooth-Textured

Veined

Good Fall Color

Other details:

Average Water Needs; Water regularly; do not overwater

Provides winter interest

Suitable for growing in containers

Soil pH requirements:

6.1 to 6.5 (mildly acidic)

6.6 to 7.5 (neutral)

Patent Information:

Unknown - Tell us

Propagation Methods:

From woody stem cuttings

From softwood cuttings

From semi-hardwood cuttings

From hardwood cuttings

From seed; stratify if sowing indoors

From seed; direct sow after last frost

By grafting

By budding

Seed Collecting:

Allow seedheads to dry on plants; remove and collect seeds

Properly cleaned, seed can be successfully stored

Regional

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

Garberville, California

Marietta, Georgia

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Jan 3, 2005, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This Palmatum Group maple has light green summer foliage that turns yellow, orange and tones in autumn. The new stems are bright red adding some winter interest. This clone originated at Hillier Gardens, Hampshire, UK and was named in 1959.