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Redpointe Maple vs Autumn Blaze (Differences and Similarities)

Greetings, my friends! I previously compared Autumn Blaze with a different red maple, and now it’s time to see how it stacks up against Redpointe Maple, a notable rival. The growing interest in red maples is understandable given their striking appearance.

Redpointe Maple trees do best in full sun, while Autumn Blaze Maples can do well in both full sun and partial sun. Autumn Blaze Maples enjoy full sun but only require about six hours of sunlight daily. They also do well with some shade, especially in warmer climates.

Redpointe Maple vs Autumn Blaze Maple

Redpointe Maple and Autumn Blaze Maple

Redpointe Maple Autumn Blaze Maple
USDA Hardiness zone 5-9 3-8
Mature height 45′ (13,5 m) 45′ (13,5 m)
Mature width 30′ (9 m) 30′ (9 m)
Shape Pyramidal Pyramidal
Growth rate 1-2′ (30-60 cm) per year <24” (60 cm) per year
Leaves 3” (7.5 cm) across, green, red 3” (7.5 cm) across, green, red
Light exposure Full sun Full sun, partial shade
Soil moist, clay, sandy, loam moist, clay, sandy, loam
Soil pH 5.5-6.5 5.5-6.5
Watering 1-2 times per week in a drought 1-2 times per week in a drought
Diseases fungus fungus
Pests insects insects

Sunlight

Autumn Blaze has a slight advantage as it can grow in both full sun and partial shade. This flexibility is key since it’s not always possible to plant a tree where it gets constant sunlight. For optimal growth and appearance, it needs at least six hours of sunlight daily.

On the other hand, Redpointe Maple requires full sun. In partial shade, it tends to have sparser foliage, resulting in a looser canopy with elongated and brittle branches. However, given its size, it’s unlikely to be fully shaded and usually receives about 10-12 hours of sunlight, which is sufficient.

A crucial point to note is that Redpointe Maple can withstand the intense full southern sun and thrives in it.

Soil

Growing red maples can be challenging due to their sensitivity to alkaline soils. When the soil pH exceeds 7, these maples struggle to thrive, often developing chlorosis which turns their leaves yellow.

This issue is particularly evident with Autumn Blaze Maple. In alkaline conditions, its leaves lose their vibrant color. Moreover, in the summer, these yellowed leaves are prone to burning.

In contrast, Redpointe Maple exhibits remarkable tolerance to higher pH levels, even close to 8, maintaining its bright green foliage. Therefore, if your garden has alkaline soil, Redpointe Maple is the better choice.

Pests and Diseases

Redpointe Maple boasts a robust immune system that shields it from various diseases and pests. This resilience is particularly effective against anthracnose, a fungal infection that targets maple leaves, leaving them with brown, dry spots.

Leafhoppers, known for causing extensive damage to foliage, also pose little threat to this maple. Their presence can drastically mar the appearance of a tree, but Redpointe Maple remains largely unaffected.

However, if you choose Autumn Blaze Maple, it’s crucial to monitor the tree closely for the first 5-7 years. Be vigilant for any signs of pests or spots on the leaves. Should you spot any, prompt treatment with an appropriate insecticide or fungicide is necessary, depending on the specific issue at hand.

Hardiness

Autumn Blaze, being a hybrid of two maple species, boasts enhanced toughness. This characteristic grants it superior cold climate resilience, making it suitable for growth in USDA hardiness zones 3-8.

Redpointe Maple, on the other hand, is somewhat more sensitive and is generally not recommended for regions north of zone 5. This limitation means that it’s not an option for some U.S. homeowners. However, it is better adapted to warmer southern climates and can be successfully grown in zones 8 and 9. In contrast, Autumn Blaze is not suitable for zone 9 and may face challenges in zone 8.

Given these factors, Autumn Blaze is the preferable choice for those in the northern regions of the USA or Canada. For those in the Central and Southern U.S., Redpointe Maple would be the more appropriate option.

Similarities between Redpointe Maple vs Autumn Blaze Maple

Redpointe Maple and Autumn Blaze Maple share several similarities, which are important to consider.

Size and Shape

Both maples can reach heights of about 45 feet and widths of 30 feet under ideal conditions. Sometimes, they can grow even larger.
Their growth rate is rapid, around 1 to 2 feet per year. Autumn Blaze can occasionally surpass this, growing more than 2 feet annually.

Both have a pyramidal crown shape, which becomes particularly striking in the fall. Their branches are sturdy, supporting a wide canopy.

Leaves

Each of these maples has leaves that are around 3 inches across, with 3 to 5 lobes. While smaller compared to other maples, their abundance compensates for the size.

In spring and summer, their leaves are green, with Redpointe being slightly darker. Come fall, they transform into various shades of red, creating a spectacular display.

Watering Needs

Due to their large evaporation area, both maples require ample water. The ideal planting spot is where soil remains consistently moist, but beware of waterlogging as it can lead to root rot.

For the first 1-2 years after planting, especially in dry weather, watering is crucial. Depending on the size, they need 1-3 gallons of water.

Fertilizing

To enhance their already vigorous growth, mulch the area around the trees with compost. Compost not only acts as an organic fertilizer but also helps retain soil moisture.

Apply a slow-release fertilizer to the root zone, choosing a product with a balanced mix of essential nutrients. This will further accelerate growth.