Acer, Japanese Maple 'Twombly's Red Sentinel'

Acerpalmatum

Family
Sapindaceae (sap-in-DAY-see-ee)
Genus
Acer (AY-ser)
Species
palmatum (pahl-MAY-tum)
Synonym
Sun Exposure
Sun to Partial Shade
Light Shade
Foliage
Grown for foliage
Deciduous
Provides Winter Interest
Height
10-12 ft. (3-3.6 m)
Spacing
8-10 ft. (2.4-3 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)
Bloom Color
Bloom Time
Other Details
Category
Shrubs
Trees
Water Requirements
Average Water Needs; Water regularly; do not overwater
Foliage Color
Where to Grow
Bloom Characteristics
Bloom Size
Other details
Soil pH requirements
5.6 to 6.0 (acidic)
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Patent Information
Propagation Methods
From woody stem cuttings
From softwood cuttings
From semi-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
Regional

This plant is said to grow outdoors in the following regions:

Chandler, Texas

Williamsburg, Virginia

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Gardener's Notes:

3
positives
0
neutral
0
negative
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C
| December 2023 | positive

Outstanding tree. A vigorous grower with a nice upright form. Very dense bright red foliage in the spring that browns out slightly in the...Read More

V
(Zone 8a) | July 2020 | positive

New tree in my garden. Growing well. Gets morning sun and afternoon shade. Despite of this, leaf edges have gotten crispy this summer....Read More

J
J
Williamsburg, VA (Zone 7a) | February 2009 | positive

There is a full grown Japanese Maple out side the window where I work. It is one of the most beautiful trees I have ever seen. In the sp...Read More

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