North America Native Plant

Alaska Wild Rhubarb

Botanical name: Polygonum alpinum

USDA symbol: POAL11

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Canada  

Synonyms: Aconogonon alaskanum (W. Wight ex Harshb.) Soják (ACAL)  âš˜  Aconogonum alaskanum (W. Wight ex Hultén) Soják (ACAL6)  âš˜  Aconogonum alpinum (All.) Schur (ACAL9)  âš˜  Aconogonum alaskanum (W. Wight ex Hultén) Soják var. glabrescens (Hultén) H. Hinds (ACALG)  âš˜  Aconogonum hultenianum (Yurtsev) Tzvelev (ACHU2)  âš˜  Aconogonum hultenianum (Yurtsev) Tzvelev var. lapathifolium (Cham. & Schltdl.) S.-P. Hong (ACHUL)  âš˜  Pleuropteropyrum alpinum (All.) Nakai (PLAL5)  âš˜  Polygonum alaskanum W. Wight ex Hultén (POAL5)  âš˜  Polygonum alaskanum W. Wight ex Hultén var. glabrescens Hultén (POALG)   

Alaska Wild Rhubarb: A Hardy Native for Northern Gardens Looking for a tough, reliable perennial that can handle whatever Mother Nature throws at it? Meet Alaska wild rhubarb (Polygonum alpinum), a hardy native that’s perfectly at home in the challenging climates of the far north. Despite its common name, this ...

Alaska Wild Rhubarb: A Hardy Native for Northern Gardens

Looking for a tough, reliable perennial that can handle whatever Mother Nature throws at it? Meet Alaska wild rhubarb (Polygonum alpinum), a hardy native that’s perfectly at home in the challenging climates of the far north. Despite its common name, this isn’t actually related to the rhubarb you might grow in your vegetable garden – but it’s every bit as resilient and far more ornamental.

Where Alaska Wild Rhubarb Calls Home

This robust perennial is a true northerner, native to Alaska, Yukon, and the Northwest Territories. It’s perfectly adapted to the short growing seasons and harsh conditions of these regions, making it an excellent choice for gardeners dealing with similar challenging climates.

What Makes This Plant Special

Alaska wild rhubarb is a perennial forb – essentially a non-woody flowering plant that comes back year after year. During the growing season, it produces tall, impressive spikes of small white to pinkish flowers that create lovely vertical interest in the landscape. The broad, substantial leaves provide excellent foliage texture and help create a lush, naturalistic appearance.

One of the most appealing aspects of this plant is its adaptability to moisture conditions. It has a facultative wetland status, meaning it’s equally happy in both wet and dry conditions – a real bonus for gardeners dealing with unpredictable weather or varying moisture levels in their landscape.

Perfect Spots for Alaska Wild Rhubarb

This plant shines in several garden settings:

  • Naturalistic or wildflower gardens where its informal growth habit feels right at home
  • Alpine or rock gardens that mimic its mountainous native habitat
  • Background plantings where its height and texture provide structure
  • Areas with variable moisture conditions where many other plants struggle

Growing Conditions and Care

Alaska wild rhubarb is remarkably undemanding once you understand its preferences:

Climate: Hardy in USDA zones 2-6, this plant is built for cold climates and may struggle in areas with hot, humid summers.

Light: Adaptable to both full sun and partial shade conditions.

Soil: Prefers moist, well-drained soils but can handle a range of conditions thanks to its facultative wetland status.

Maintenance: This is a refreshingly low-maintenance plant. Once established, it typically takes care of itself with minimal intervention from the gardener.

Planting and Establishment Tips

Getting Alaska wild rhubarb established is straightforward:

  • Plant in spring after the last frost when soil can be worked
  • Provide consistent moisture during the first growing season to help establish strong roots
  • Space plants appropriately to allow for their mature spread
  • Mulch around plants to retain moisture and suppress weeds

Benefits Beyond Beauty

Alaska wild rhubarb isn’t just a pretty face – it’s also beneficial for local wildlife. The flowers attract various pollinators, including bees and butterflies, making it a valuable addition to wildlife-friendly gardens. For gardeners interested in supporting native ecosystems, this plant provides food and habitat for creatures that have evolved alongside it.

Is Alaska Wild Rhubarb Right for Your Garden?

This plant is an excellent choice if you’re gardening in zones 2-6 and want a reliable, low-maintenance native perennial. It’s particularly valuable for gardeners dealing with challenging conditions like variable moisture, short growing seasons, or harsh winters. However, gardeners in warmer climates should look for alternatives better suited to their conditions.

Alaska wild rhubarb offers the perfect combination of hardiness, beauty, and ecological value. For northern gardeners seeking plants that truly belong in their landscape, this native gem deserves serious consideration.

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

Alaska

FAC

Facultative - Plants with this status can occur in wetlands and non-wetlands

Alaska Wild Rhubarb

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Caryophyllidae

Order

Polygonales

Family

Polygonaceae Juss. - Buckwheat family

Genus

Polygonum L. - knotweed

Species

Polygonum alpinum All. - Alaska wild rhubarb

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