It prefers rich, moist, and well-drained soil with an acidic pH.
Red Sunset maple is a moderately fast grower that typically adds 12 to 24 inches per year.
It is best planted in the late fall or the early spring.
The Spruce / Evgeniya Vlasova
At the southern end of its range, it can take partial shade.
Soil
Red Sunset maple likes moist soil rich in nutrients with a slightly acidic pH value.
Water
Red Sunset maple has above-average water needs, and its soil must be kept evenly moist.
The Spruce / Evgeniya Vlasova
A low-lying area that is frequently moist can be a good spot for this tree.
A thick layer of mulch over the root zone can help preserve soil moisture.
Ensure the mulch does not come into contact with the trunk, which can invite pest and disease problems.
The Spruce / Evgeniya Vlasova
If this tree does not have enough water during a high heat period, its leaves will burn.
ensure to blend in the fertilizer with the fill soil thoroughly.
After that, feed Red Sunset annually in early spring with a fertilizer for acid-loving plants.
The Spruce / Evgeniya Vlasova
Red Sunset is one cultivar among many developed from the native red maple.
Pruning
Prune these trees early when they’re young to establish a central leader.
All red maples are sensitive to pruning, so it’s best to avoid cutting large branches if possible.
The Spruce / Evgeniya Vlasova
It’s better to give a shot to reproduce a tree through seeds.
But be forewarned that the result may not be an exact match to the parent tree.
After several years, this protection will no longer be necessary.
The pests can often be eradicated by usingneem oil.
Some preventative techniques include optimal site selection, spacing to promote airflow, and a proper watering regimen.
Unusual weather conditions can cause your tree to display disappointing yellow foliage during some years.
It’s also possible that your tree was not the pure clone it was advertised to be.
In some climates, anthracnose and other fungal diseases are a nearly annual occurrence.
Red maples need plenty of spring moisture as this new growth develops.
Tree dieback usually is the result of widespread poor cultural practices.
This is why it is best to plant them well away from any paved surfaces.
Red Sunset (USDA zone 3-8) is more cold hardy than Autumn Blaze (USDA zone 4-8).
It is also suitable as a specimen for the front lawn and works well as a small shade tree.
It has shallow roots that can damage such structures if planted too close to them.
Also, begin withholding fertilizer in the fall.
This mild stress boosts color.
