North America Native Plant

Cusick’s Serviceberry

Botanical name: Amelanchier alnifolia var. cusickii

USDA symbol: AMALC

Life cycle: perennial

Habit: shrub

Native status: Native to Canada âš˜ Native to the lower 48 states  

Synonyms: Amelanchier cusickii Fernald (AMCU)  âš˜  Amelanchier florida Lindl. var. cusickii (Fernald) M. Peck (AMFLC)   

Cusick’s Serviceberry: A Mountain Native Perfect for Western Gardens If you’re looking for a low-maintenance native shrub that delivers year-round interest while supporting local wildlife, let me introduce you to Cusick’s serviceberry (Amelanchier alnifolia var. cusickii). This charming mountain native is like the dependable friend of the plant world – ...

Cusick’s Serviceberry: A Mountain Native Perfect for Western Gardens

If you’re looking for a low-maintenance native shrub that delivers year-round interest while supporting local wildlife, let me introduce you to Cusick’s serviceberry (Amelanchier alnifolia var. cusickii). This charming mountain native is like the dependable friend of the plant world – not flashy, but always there when you need it, and full of pleasant surprises throughout the seasons.

What Makes Cusick’s Serviceberry Special?

Cusick’s serviceberry is a perennial shrub that typically grows as a multi-stemmed woody plant, usually staying under 13-16 feet tall. What sets this variety apart is its adaptation to the specific conditions of western mountain regions, making it an excellent choice for gardeners dealing with challenging growing conditions.

You might also see this plant listed under its botanical synonyms Amelanchier cusickii or Amelanchier florida var. cusickii in older references, but they’re all the same wonderful plant.

Where Does It Call Home?

This serviceberry variety is truly a child of the American and Canadian West. You’ll find it growing naturally across an impressive range including British Columbia, Idaho, Montana, Nevada, Oregon, Utah, Washington, and Wyoming. It’s perfectly adapted to both the Arid West and Western Mountains regions, where it typically grows in non-wetland areas but can occasionally pop up in wetter spots too.

Why Your Garden (and Local Wildlife) Will Love It

Cusick’s serviceberry is like getting multiple plants in one package. In spring, it produces clusters of delicate white flowers that are absolutely magnetic to pollinators – bees, butterflies, and other beneficial insects can’t resist them. As summer progresses, these flowers transform into blue-black berries that wildlife (and you!) can enjoy.

But the show doesn’t stop there. Come fall, the leaves often put on a colorful display before dropping for winter. It’s a four-season performer that keeps giving back to your garden ecosystem.

Perfect Spots for Planting

This adaptable shrub works beautifully in several garden settings:

  • Native plant gardens where you want authentic regional character
  • Xeriscaped areas that need drought-tolerant options
  • Mountain or high-altitude gardens
  • Wildlife gardens focused on supporting local fauna
  • Naturalized areas where you want low-maintenance beauty

Growing Conditions That Make It Happy

One of the best things about Cusick’s serviceberry is how easygoing it is about growing conditions. It thrives in USDA hardiness zones 3-7, making it suitable for areas with cold winters and moderate summers.

For optimal growth, provide:

  • Well-drained soil (it’s not picky about soil type)
  • Full sun to partial shade
  • Space for its multi-stemmed growth habit
  • Patience during establishment – it becomes quite drought tolerant once settled in

Planting and Care Tips

The beauty of native plants like Cusick’s serviceberry is that they don’t ask for much once they’re established. Here’s how to set yours up for success:

Planting: Choose a spot with good drainage and dig a hole as deep as the root ball but twice as wide. Plant at the same depth it was growing in the container.

Watering: Provide regular water the first year to help establishment, then scale back. Mature plants are quite drought tolerant.

Maintenance: This is where Cusick’s serviceberry really shines – it needs minimal care. Occasional pruning to remove dead wood or shape the plant is about all it requires.

Fertilizing: In most cases, none needed! Native plants are adapted to local soil conditions.

Is Cusick’s Serviceberry Right for Your Garden?

If you’re gardening in the western United States or southwestern Canada and want a native plant that supports local ecosystems while providing year-round interest, Cusick’s serviceberry is an excellent choice. It’s particularly perfect if you’re dealing with challenging mountain conditions, want to reduce garden maintenance, or are creating habitat for local wildlife.

The main consideration is space – while it won’t become a towering tree, it does want room to develop its natural multi-stemmed form. But in return, you’ll get a plant that’s perfectly adapted to your region’s climate and soil, requires minimal inputs once established, and provides food and shelter for local wildlife.

Sometimes the best garden additions are the ones that feel like they’ve always belonged there – and that’s exactly what Cusick’s serviceberry brings to western gardens.

Wetland Status

The rule of seasoned gardeners and landscapers is to choose the "right plant for the right place" matching plants to their ideal growing conditions, so they'll thrive with less work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags list watering requirements, there's more to the story.

Knowing a plant's wetland status can simplify the process by revealing the interaction between plants, water, and soil. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Western Mountains, Valleys, and Coast

FACU

Facultative Upland - Plants with this status usually occurs in non-wetlands but may occur in wetlands

Cusick’s Serviceberry

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Amelanchier Medik. - serviceberry

Species

Amelanchier alnifolia (Nutt.) Nutt. ex M. Roem. - Saskatoon serviceberry

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA