If speed is important to you and you want a beautiful maple with red leaves quickly, Autumn Blaze is the one to go for. They both form quite a wide canopy for shade, but the shade under the Red Sunset is a little deeper as I mentioned earlier. The final size of both maples is about the same 47 feet tall and 35 wide. Sometimes it even has to be controlled by pruning. If conditions are ideal, the tree can even accelerate in growth. If the climate is moderate and the tree has enough moisture, the growth rate can accelerate to 2 feet per year.Īt the same time, Autumn Blaze Maple usually grows 2 feet per year. Red Sunset averages 1-1.5 feet of annual growth. While Red Sunset is most comfortable in zones 5-7. So Autumn Blaze is better suited for both north and south. In extreme heat, this maple can get leaf scorch.Įven in zone 8, Red Sunset sometimes has problems. You must shade the plant in the first years and water it regularly. You can often find recommendations that Red Sunset can be grown in the 9 USDA hardiness zone. The sun and heat of that climate do not interfere with the vigorous growth of this variety. The advantage of this variety is that it has strong branches that will not break even in heavy snowfall.Īs for the south, both maples can be grown in zone 8. Red Sunset should be grown in zone 4 further north, it can be damaged by frost. Besides, its better frost tolerance makes it suitable for growing in parts of Canada. residents live in this climate, but still. This variety is recommended for planting in zone 3. Autumn Blaze hardierĪutumn Blaze tolerates low temperatures better than the competition. In the fall, both trees turn a fiery red and this lasts until the leaves fall. In early spring the foliage is bright green. Autumn Blaze has a less dense canopy and some of the sun’s rays will penetrate through it.Īs for color, these maples are equal. Autumn Blaze has a slightly loose crown while Red Sunset has a thicker, more lush crown.Īnother consequence of this is that Red Sunset forms a denser canopy, so there will be deep shade underneath. Whereas Autumn Blaze leaves are half that size, measuring 3 inches across.įrom this comes a slightly different appearance of these varieties. Red Sunset has a leaf 6 inches wide and the same length. It usually has 3 or 5 lobes, the depth of cuts may vary slightly. The leaf shape of both maples is very similar. Deep, moist, acidic soil results in the healthiest red maples.Red Sunset Maple and Autumn Blaze Maple Red Sunset has bigger leaves Despite their remarkable roots, red maples grow better in some conditions than others. When red maples grow in dry sites, a long taproot and short lateral roots develop. If the tree is placed in wet soil, it grows a short taproot and extensive lateral roots to soak up water at the surface. Adaptable roots help the red maple to cope with differing soil types. Red maples do well in sunny or shady spots, dry or wet soil, and high or low elevation. A generalist species is one that can tolerate a wide range of habitat conditions and uses many different types of resources. This status can be attributed to the tree’s generalist tendencies. Red maples are perhaps the most abundant tree in the eastern deciduous forest. In the southernmost parts of their range, red maples are a wetland species, which has earned them the nickname “swamp maple.” Lucky bird-watchers might see wood ducks nesting inside cavities of swamp maples. They’re found from Maine west to Minnesota, south to Texas, and east to Florida. Red maples are native to the eastern deciduous forest.
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