- Seedling Size: 18 – 24″
- Seedling Age: 3-0
- Mature Height: 40 – 80 feet
- Mature Width: 15 – 30 feet
- Soil Type: Acidic
- Moisture: Moderate or moist
- Sun: Full sun
- Growth Rate: Fast
Key Characteristics of American Larch
- Seed cones are small, typically < 2cm. Attractive in color, cones add ornamental value.
- Bark appears gray to reddish brown. Used historically for poles, cross ties and for framing.
- Needles are soft and bright green. Unlike most conifers, it drops needles in winter after a spectacular fall color.
Visitors Attracted to American Larch
- Larch silkmoth (Hyalophora colunbia)
- Eastern pine elfin (Callophrys niphon)
- Green larch looper (Macaria sexmaculata)
Help Control Invasives!
American larch makes a great alternative to invasive black alder (Alnus glutinosa). Both plants like sunny, wet conditions. Black alder is aggressive in wetland communities, replacing native vegetation. Black alder is also vulnerable to tent caterpillars, while American larch is not.
- American Larch/Tamarack – Bill Cook, Michigan State University, Bugwood.org
- American Larch/Tamarack Fall Color – Steven Katovich, USDA Forest Service, Bugwood.org
- American Larch/Tamarack Cones – Bill Cook, Michigan State University, Bugwood.org
- American Larch/Tamarack Needles – Rob Routledge, Sault College, Bugwood.org