Sun Valley Maple

Botanical Name: Acer rubrum ‘Sun Valley’

Alternate Name: Sun Valley Red Maple

The Sun Valley Maple (Acer rubrum ‘Sun Valley’) is a cross between Acer rubrum ‘Red Sunset’ and Acer rubrum ‘Autumn Flame’. It is a male variety, with no seed production. This medium sized deciduous maple grows to 40 feet tall and 35 feet wide. Its canopy starts approximately 6 feet above the ground. This tree is too tall to be planted under power lines.

Sun Valley Maple has a symmetrical, rounded-oval crown, making it suitable for planting as a shade tree. It is also known for its long-lasting, vibrant, red fall color.

This maple develops showy red flower clusters before the leaves emerge in early spring.  The medium green leaves which follow are relatively large – 4 inches in size. These create a coarse texture for landscaping use, which contrasts well with fine-textured conifers or Japanese Maples.

The Sun Valley Maple gives its best show in late fall, when some trees are already losing their leaves. It provides a show-stopping, bright red-crimson display.

Acer ‘Sun Valley’ will tolerate many different soil types. It prefers acidic, wet, or moist, well-drained soils. It also resists drought and urban pollution – making this tree ideal for urban landscapes. It is also somewhat tolerant to the potato leafhopper.

Height: 40 ft.

Width: 35 ft.

Shape: Rounded/Oval

Flower Color: Red

Flowering Time: March

Fall Color: Bright Red

Features: Dramatic fall color

Exposure: Full Sun to Part Sun

Watering: Moderate/Heavy & Regular

Soil: Prefers acidic, moist but well-drained soil. Can tolerate a wide range of soil types. May develop chlorosis of the leaves if the soil is too alkaline.

Growth Rate: Moderate

USDA Zones: 4-7

Uses: Specimen tree, shade tree, street tree, lawn tree, highway plantings, park tree, rain garden, wet sites

Similar Trees: Acer rubrum ‘October Glory’ (October Glory Maple), Acer rubrum ‘Magnificent Magenta’ (Burgundy Belle Maple), Acer rubrum ‘Franksred’ (Red Sunset® Maple)

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