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Japanese Maple
Acer palmatum 'Rubrum'

Family: Sapindaceae (sap-in-DAY-see-ee) (Info)
Genus: Acer (AY-ser) (Info)
Species: palmatum (pahl-MAY-tum) (Info)
Cultivar: Rubrum
Additional cultivar information:(aka Septemlobum Rubrum)
» View all varieties of Japanese Maples

Category:

Trees

Group:

Unknown - Tell us

Height:

10-12 ft. (3-3.6 m)

Spacing:

10-12 ft. (3-3.6 m)

Hardiness:

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:

Full Sun

Sun to Partial Shade

Light Shade

Foliage:

Grown for foliage

Deciduous

Burgundy

Smooth-Textured

Good Fall Color

Other details:

Average Water Needs; Water regularly; do not overwater

Soil pH requirements:

5.1 to 5.5 (strongly acidic)

5.6 to 6.0 (acidic)

6.1 to 6.5 (mildly acidic)

Patent Information:

Unknown - Tell us

Propagation Methods:

By grafting

Seed Collecting:

N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed

Regional

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

Houston, Texas

Gardeners' Notes:

1
positive
0
neutrals
0
negatives
RatingContent
Positive

On Feb 26, 2005, Todd_Boland from St. John's, NL (Zone 5b) wrote:

This selection belongs to the Amoenum Group. The leaves are quite large for a Japanese maple and have seven shallow lobes. The leaves are dark maroon-purple in spring, greenish-purple in summer then scarlet in the fall. More sun will help maintain the purple colour through the summer months.