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Twombly's Red Sentinel Japanese Maple

Acer palmatum 'Twombly's Red Sentinel'

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Twombly's Red Sentinel Japanese Maple (Acer palmatum 'Twombly's Red Sentinel') at Oakland Nurseries Inc

Acer palmatum 'Twombly's Red Sentinel'

Acer palmatum 'Twombly's Red Sentinel'

(Photo courtesy of Bachman's Wholesale)

Height: 10 feet

Spread: 7 feet

Sunlight:  full sun  partial shade 

Hardiness Zone: 6a


True to its name, this variety maintains a somewhat columnar form, with burgindy to red foliage all season long, ending in a fiery display in fall; the dense and narrow upright form makes it wonderfully useful for many garden applications

Ornamental Features:

Twombly's Red Sentinel Japanese Maple has attractive burgundy foliage which emerges red in spring. The small lobed palm-shaped leaves are ornamentally significant and turn an outstanding crimson in the fall. Neither the flowers nor the fruit are ornamentally significant.

Landscape Attributes:

Twombly's Red Sentinel Japanese Maple is a dense deciduous dwarf tree with a narrowly upright and columnar growth habit. Its relatively fine texture sets it apart from other landscape plants with less refined foliage.

This is a relatively low maintenance dwarf tree, and should only be pruned in summer after the leaves have fully developed, as it may 'bleed' sap if pruned in late winter or early spring. It has no significant negative characteristics.

Twombly's Red Sentinel Japanese Maple is ideal for use as a garden accent or patio feature, and is recommended for the following landscape applications;

  • Accent
  • General Garden Use
  • Mass Planting
  • Container Planting
  • Hedges/Screening
  • Vertical Accent

Plant Characteristics:

Twombly's Red Sentinel Japanese Maple will grow to be about 10 feet tall at maturity, with a spread of 7 feet. It has a low canopy with a typical clearance of 2 feet from the ground. It grows at a slow rate, and under ideal conditions can be expected to live for 60 years or more.

This dwarf tree does best in full sun to partial shade. It prefers to grow in average to moist conditions, and shouldn't be allowed to dry out. It is particular about its soil conditions, with a strong preference for rich, neutral soils. It is somewhat tolerant of urban pollution, and will benefit from being planted in a relatively sheltered location. Consider applying a thick mulch around the root zone in winter to protect it in exposed locations or colder zones.

This is a selected variety of a species not originally from North America.

Hardiness Zone Plant Height Minimum Sunlight
Accent Articulation Massing Screening Garden Container
Foliage Color Fall Color Texture Plant Form
Ornamental Features
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