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PlantFiles: Japanese Maple
Acer palmatum 'Rubrum'

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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

Profile:

1 positive
No neutrals
No negatives

Gardeners' Notes:

RatingAuthorContent
Positive Todd_Boland 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.

Regional...

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

Houston, Texas



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