Armstrong Red Maple

Product Code: marms

Acer rubrum ‘Armstrong’ Red Maple
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Details

Armstrong is a fast growing maple with a narrow, columnar, upright shape. This tree looks stunning when planted in a row along city streets and boulevards. Not only does this red maple tree have stunning red fall color, but the bark is an attractive silver color. Birds and squirrels will be attracted to this shade tree's seeds. This tree is one of the first to start turning colors in the fall. Red maples do best when planted north of hardiness zone 9. Mature size is around 50-60' tall x 15-25' wide. This tree grows in part shade/part sun, but offers the best results and color when planted in full sun.

Handling & Planting Guidelines

Special Features & Videos for Red Maple Trees

Special Plant Features & Tips

  • Red maples are known for their beautiful red color through all the various seasons. They have red flowers in spring, leafstalks in summer, brilliant red foliage in fall and red buds in winter.
  • Red maple trees are commonly used for their ornamental value in the landscape.
  • Can grow in an oval, rounded, upright or erect shape.
  • Can be toxic to horses if dry, wilted leaves are consumed.
  • It is also the state tree of Rhode Island.
  • This tree needs full sun in order to see the best color results and longevity.  
  • The red maple grows in acidic, loamy, moist, rich, sandy, silty loam, well-drained and clay soils. It prefers wet soil conditions but has slight drought tolerance.
  • Adding a 3-inch layer of mulch helps the soil retain moisture and inhibits the growth of weeds. Pull the mulch back a few inches from the trunk to prevent rot.
  • Corrective pruning to remove dead, dying, and diseased branches should be done in winter.
  • Prune branches that grow into the center or rub against each other. Remove smaller branches up to two inches in diameter first. Sugar maple makes dense shade; removal of some branches in the center will let in sun and air. Cut small branches just outside the "collar", the thick fold of bark at the junction of the branch and its lateral. Cutting "flush" to the main branch injures the collar and cutting too far out leaves a "stub", both lengthening the healing time for the tree.
Since we grow all of our nursery stock our availability changes every year.The sizes listed below are not available for every product we offer and may differ depending on time year shipped. For example, perennials will usually only be offered in a #1 container size. Since we are a northern grown nursery our product may differ in size to other plants in your area depending on time of year it ships. Our larger nursery stock like evergreens and shade trees will usually come in large B&B (balled & burlap) sizes only. 
Popular Sizes
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Container  10 8" 10" FedEx
#3 Container/Grow Bag (sizes listed are average for deciduous shrubs, perennials can be much smaller) 25 10" 15" FedEx
2' - 5' Bare Root 5 - 35 5 - 15" 2 - 5' FedEx
Containers/Grow Bags
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 Container  10 8" 10" FedEx
#2 Container 15 12" 12" FedEx
#3 Container/Grow Bag 25 10" 15" FedEx
#5 Container/Grow Bag 40 14" 15-20" McKay Delivery*
#7 Container/Grow Bag 35 - 50 14 - 16" 1 - 2' McKay Delivery*
#10 Container/Grow Bag 55 - 70 18" 1 - 3' McKay Delivery*
#15 Container/Grow Bag 65 - 80 22" 2 - 3' McKay Delivery*
#20 Container/Grow Bag 100 - 160 24" 7 McKay Delivery*
#25 Container/Grow Bag 130 - 200 24 - 30" 8' McKay Delivery*
Bare Root
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
#1 & #1 1/2 Bare Root 5 5 - 8" (no soil on roots) 5 - 10" FedEx
12" Bare Root 5 - 10 5" (no soil on roots) 10 - 12" FedEx
15" Bare Root 8 - 10 10 - 12" (no soil on roots) 12 - 15" FedEx
18" Bare Root 10 - 15 10 - 15" (no soil on roots) 15 - 18" FedEx
2' Bare Root 15 12" (no soil on roots) 2' FedEx
3' Bare Root 20 15" (no soil on roots) 3' FedEx
4' Bare Root 25 18" (no soil on roots) 4' FedEx
5' Bare Root 30 20" (no soil on roots) 5' FedEx
6' Bare Root 35 22" (no soil on roots) 6' McKay Delivery*
8' Bare Root 40 22 - 24" (no soil on roots) 8' McKay Delivery*
9' Bare Root 45 24 - 30" (no soil on roots) 9' McKay Delivery*
1 3/4" caliper Bare Root 50 30" (no soil on roots) 5 - 6' McKay Delivery*
1 1/4" caliper Bare Root 55 32" (no soil on roots) 8 - 11' McKay Delivery*
1 1/2" caliper Bare Root 60 32" (no soil on roots) 10 - 12' McKay Delivery*
2 1/2" caliper Bare Root 65 32 - 35" (no soil on roots) 10 - 16' McKay Delivery*
Balled & Burlap (B&B)
ItemApprox. Weight (lbs.)Approx. Base DiameterApprox. HeightShipping Method
2' tall B&B 50 12 - 16" 2'  McKay Delivery*
3' tall B&B 60 - 250 22 - 24" 4' McKay Delivery*
4' tall B&B 250 22 - 24"  5' McKay Delivery*
5' tall B&B 325 16 - 24" 5' McKay Delivery*
6' tall B&B 150 - 325 24 - 30"  6' McKay Delivery*
7' tall B&B 500 - 700 30"  7' McKay Delivery*
8' tall B&B 600 - 700 30 - 32" 8' McKay Delivery*
9' tall B&B 700 30 - 35" 9' McKay Delivery*
1 1/4" caliper B&B 250 - 700 22" - 28" 8 - 11' McKay Delivery*
1 1/2" caliper B&B 350 - 600 24" - 30"  10 - 12' McKay Delivery*
2" caliper B&B 600 - 700 28" - 32"  10 - 14' McKay Delivery*
2 1/2" caliper B&B 700 - 1,000 30" - 36" 10 - 16' McKay Delivery*
3" caliper B&B 850 - 1,200 34" - 38" 12 - 18' McKay Delivery*
3 1/2" caliper B&B 1,000 - 1,200 36"  3' McKay Delivery*

*McKay Delivery - This shipping method can only be used when your delivery address is within 60 miles of Waterloo, Wisconsin. McKay will hand delivery your nursery stock. We can delivey any size, but typically this shipping method is used for oversize items that FedEx cannot ship.

Growing Zones: 4-9

Color: Green, Red, Yellow
Plant Size: 50-60' tall x 15-25' wide
Fall Color: red
Sunlight: Full Sun to Partial Shade
Soil Conditions: Normal, Sandy, Clay, Acidic, Wet
Low Maintenance: Yes
Deer Resistant: No
Attracts Butterflies: No
Attracts Bees: Yes
Attracts Birds: Yes
Edible: No
Native: No

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