Acer rubrum 'Armstrong'
Red Maple













Narrow, columnar form. Ideal for avenues, streets, and berms. Silver bark is a feature. Autumn leaves are usually yellow-orange, but can be a rich-red in the right environmental conditions. Small, red flowers in early to mid-spring. Prefers moist, well-drained soils in full-sun. However, will grow in a range of soils including sandy, heavy clay, peat, dry, and poor-draining. Also very cold hardy and will tolerate wind. Acer rubrum 'Armstrong' is a hybrid between Acer rubrum and Acer saccharinum
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10 Year Size
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Taxonomy and Etymology
Family: Sapindaceae, soapberry family, a family of flowering plants.
Genus: Acer, ācer (Latin, adjective), meaning 'sharp', in reference to the pointed leaves. Commonly known as maple, a genus of various trees and shrubs.
Species: Acer rubrum, rubrum (Latin, adjective), meaning 'red', in reference to the colour of the species' flowers.
Cultivar: Acer rubrum 'Armstrong'
Synonyms: Acer x freemanii 'Armstrong'
Common Name: Red Maple
Description and Features
Description: Narrow, columnar form. Ideal for avenues, streets, and berms. Silver bark is a feature. Autumn leaves are usually yellow-orange, but can be a rich-red in the right environmental conditions. Small, red flowers in early to mid-spring. Prefers moist, well-drained soils in full-sun. However, will grow in a range of soils including sandy, heavy clay, peat, dry, and poor-draining. Also very cold hardy and will tolerate wind. Acer rubrum 'Armstrong' is a hybrid between Acer rubrum and Acer saccharinum
Height: 8m
Width: 3m
Uses: Street, Narrow sites, Driveways and avenues, Attracts bees
Tolerates: Light frosts, Heavy frosts, Windy, Heavy rainfall
Soil Type: Clay soils, Poor draining soils, Sandy soils, Dry soils
Sun and Shade: Full sun, Part shade
Winter Foliage: Deciduous
Origin: Exotic
Foliage:
Summer: Green
Autumn: Red, Yellow, Orange
Winter: None
Spring: Green
Flowers:
Summer: None
Autumn: None
Winter: None
Spring: Red
References
https://en.wikipedia.org/wiki/Acer_rubrum
https://species.wikimedia.org/wiki/Acer_rubrum
https://treesandshrubsonline.org/articles/acer/acer-rubrum/
https://www.itis.gov/servlet/SingleRpt/SingleRpt?search_topic=TSN&search_value=28728
https://www.rhs.org.uk/plants/276/acer-rubrum/details
https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=275374
https://www.vdberk.co.uk/trees/acer-rubrum/
https://plants.ces.ncsu.edu/plants/acer-rubrum/
https://landscapeplants.oregonstate.edu/plants/acer-rubrum
https://selectree.calpoly.edu/tree-detail/100
https://www.havlis.cz/karta_en.php?kytkaid=869
https://www.ebben.nl/en/treeebb/acrubrum-acer-rubrum
https://www.gardenia.net/plant/acer-rubrum
https://temperate.theferns.info/viewtropical.php?id=Acer+rubrum
https://treesandshrubsonline.org/articles/acer/acer-x-freemanii/
https://plants.ces.ncsu.edu/plants/acer-x-freemanii/
https://www.rhs.org.uk/plants/159727/i-acer-i-times%3B-i-freemanii-i-armstrong/details
https://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?taxonid=261905
https://www.vdberk.co.uk/trees/acer-freemanii-armstrong/
https://landscapeplants.oregonstate.edu/plants/acer-freemanii-armstrong
https://selectree.calpoly.edu/tree-detail/101
https://www.ebben.nl/en/treeebb/acfarmst-acer-x-freemanii-armstrong