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Alaska Peninsula Mountains
Region profile

Alaska Peninsula Mountains

Alaska Peninsula Mountains is a region primarily consisting of a peninsula extending southwest from the mainland, dividing Bristol Bay from the North Pacific Ocean, and featuring a cool marine climate, dwarf scrub communities, glacially-fed streams, and rounded sedimentary ridges intermittently surmounted by volcanoes.

Zone

Forest

Common Name

Alaska Peninsula Mountains

CEC Level III Code

7.1.2

CEC Level II Code

7.1 Marine West Coast Forest

Overview

About This Region

The Alaska Peninsula Mountains are dominated by rugged peaks, glaciers, and active volcanoes. The cold climate, high elevations (reaching over 7,500 feet in some areas), and extensive ice fields present harsh conditions for pollinators. Factors like short growing seasons, heavy snowfall, and limited soil development restrict suitable habitat and floral resources. The low species diversity and remoteness mean pollinators often rely on narrow coastal areas and lower-elevation valleys where plant life can sustain them. The largest ice fields in North America are present here, stressing the need for conservation in warmer pockets.

Region facts

At a glance

AliasesAlaska Peninsula Mountains, CEC 7.1.2, Alaska Peninsula Mtns
Geographic Range
The Alaska Peninsula Mountains region is a peninsula and part of Kodiak Island, dividing Bristol Bay from the North Pacific Ocean, characterized by a cool marine climate, dwarf scrub communities, glacially-fed streams, and active volcanoes.
Climate SnapshotThe region experiences a cool marine climate with moderate seasonal temperatures, common fog and clouds, a mean annual temperature of approximately 1°C to 4°C, and abundant year-around precipitation ranging from 600 mm to over 4,000 mm annually.
Terrain ProfileThe terrain is characterized by rounded, folded sedimentary ridges intermittently surmounted by volcanoes, with elevations ranging from sea level to over 2,600 masl, and features smooth glacial moraines on the north and rugged fjordlands on the south.
Vegetation CoverThe vegetation consists of dwarf scrub communities of alpine tundra at higher, exposed elevations, and low scrub communities of willow, birch, and alder interspersed with ericaceous heath and Dryas-lichen communities at lower, protected sites.
Wildlife HabitatThe Alaska Peninsula Mountains region is home to moose, brown bears, various salmon species, sea mammals like whales and sea otters, and numerous shorebirds.

Eco snapshot

What shapes this region

Climate pattern

  • Coastal influence often brings cooler, wetter, windier conditions than inland areas.
  • Mountains create strong microclimates (small local weather differences): a sunny, sheltered slope can behave very differently from a windy ridge.
  • Growing conditions can shift quickly with elevation, exposure, and distance from the coast.

Vegetation profile

The vegetation consists of dwarf scrub communities of alpine tundra at higher, exposed elevations, and low scrub communities of willow, birch, and alder interspersed with ericaceous heath and Dryas-lichen communities at lower, protected sites.

Wildlife profile

The Alaska Peninsula Mountains region is home to moose, brown bears, various salmon species, sea mammals like whales and sea otters, and numerous shorebirds.

Why pollinators matter here

  • Short bloom periods mean pollinators benefit from dense, reliable flower patches.
  • Wind and cold can reduce flight time, so sheltered plantings can be especially valuable.
  • Native flowering plants support native insects that also feed birds and other wildlife.
  • Avoiding pesticides helps protect pollinators that may already be working with limited resources.

Seasonal timing

Planting seasons

Timing varies by microclimate; use this as a flexible guide.

Seasonal timing

  • Early season: Focus on hardy, early-blooming natives and protecting plants from wind.
  • Mid-season: Add “workhorse” flowers that bloom steadily through the main growing window.
  • Late season: Prioritize late blooms where feasible, so pollinators can fuel up before cold returns.

Quick seasonal checklist

  • Choose the sunniest, most sheltered spot you have.
  • Plant in clumps (easier for pollinators to find than single plants).
  • Keep some bare/undisturbed ground and natural debris for nesting and shelter.
  • Plan for overlap: early + mid + late blooms.

Yearly needs

Pollinator calendar

What pollinators need throughout the year, and what to do about it.

Late winter/early springEarly food when insects first become active; safe shelterLeave stems/leaves in place a bit longer; plan a small, sheltered planting area; avoid “cleanup” that removes overwintering habitat
SpringFresh nectar/pollen; calm, sunny foraging spotsPlant or protect early-blooming natives; group plants in clumps; provide windbreaks (fence, shrubs, rocks) where appropriate
SummerSteady bloom; water access; nesting materialsKeep flowers blooming (add mid-season natives); provide a shallow water dish with stones; keep some bare soil and hollow stems
Late summer/fallLate blooms; places to rest and prepare for winterAdd late-blooming natives if your site allows; avoid cutting everything back; let some seedheads stand
Winter or Dry SeasonUndisturbed shelterLeave leaf litter and stems; avoid pesticides and “dormant season” sprays; plan next season’s bloom sequence

Seed mix concept

A Billion Small Steps Seed mix

In a short-season, cool, and often windy mountain-coastal setting, a practical “seed mix” idea is to build a bloom sequence that works in sheltered micro-sites:

Spring starter

Spring starter: early-blooming natives (often shrubs/trees like willows) that provide the first pollen/nectar.

Summer bridge

Summer bridge: dependable mid-season flowers that carry the main foraging period.

Fall finisher

Fall finisher: late-blooming species where your site can support them, to extend food availability before cold returns.

What You Can Do

Make a difference for native habitats.

Turn this knowledge into action. Whether you plant a single pot or a whole garden, you are building a vital bridge for local biodiversity.

Join the movement to restore our shared habitats.

Native plants

Plants that thrive in this region

Asters (*Symphyotrichum* spp.)

Asters

Asters are late-season wildflowers that bring a burst of daisy-like blooms when many gardens are winding down, making them a reliable choice for pollinator-friendly planting.

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Blackberries & raspberries

Blackberries and raspberries (genus Rubus) are flowering bramble shrubs that can feed pollinators in bloom and people later with tasty berries—great for yards, school gardens, and even large containers with support.

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Blueberries & huckleberries (*Vaccinium* (genus))

Blueberries & huckleberries

Blueberries and huckleberries (genus Vaccinium) are berry-producing shrubs with spring flowers that can support pollinators and later feed people and wildlife—great for gardens, schoolyards, and even large containers.

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Buttonbush (*Cephalanthus* spp.)

Buttonbush

Buttonbush is a wetland shrub known for its round, pincushion-like flower clusters that draw in many pollinators. It’s a great choice for rain gardens, pond edges, and any spot that stays consistently moist.

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California lilac (*Ceanothus* spp.)

California lilac

California lilac (Ceanothus) is a flowering shrub known for clouds of blue blooms that can be a big draw for pollinators when it’s planted in the right spot.

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Camas (*Camassia* spp.)

Camas

Camas (Camassia spp.) is a spring-blooming bulb with starry blue-to-purple flowers that can light up sunny meadows and garden beds while offering early-season nectar and pollen for visiting insects.

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Currants & gooseberries (*Ribes* spp.)

Currants & gooseberries

Currants and gooseberries are Ribes shrubs that offer early-season flowers for pollinators and later berries for people and wildlife. They’re a great choice for edible landscapes, mixed borders, and small yards where you want a plant that does more than one job.

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Goldenrods (*Solidago* spp.)

Goldenrods

Goldenrods are tough, sunny wildflowers in the genus Solidago that light up late-season gardens with golden blooms and provide reliable nectar and pollen when many other flowers are fading.

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Hyssops (*Agastache* spp.)

Hyssops

Hyssops (Agastache) are fragrant, long-blooming wildflowers that are easy to grow and popular with many pollinators. They’re a great choice for sunny gardens, schoolyards, and even large containers.

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Manzanitas (West) (Arctostaphylos spp.)

Manzanitas

Manzanitas are tough, beautiful western shrubs with urn-shaped flowers that can feed early-season pollinators and evergreen leaves that keep gardens looking good year-round.

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Milkweeds (*Asclepias* (genus))

Milkweeds

Milkweeds are tough, nectar-rich wildflowers in the genus Asclepias that can turn a garden bed, schoolyard edge, or even a sunny pot into a pollinator stop.

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Penstemons (*Penstemon* (genus))

Penstemons

Penstemons (beardtongues) are hardy, flower-filled wildflowers that bring bright color and steady nectar to gardens and containers, especially in sunny spots with well-drained soil.

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Phacelias (*Phacelia* spp.)

Phacelias

Phacelias are easygoing wildflowers in the genus Phacelia, known for their nectar-rich blooms that can bring lots of pollinator activity to gardens, schoolyards, and even containers.

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Rushes (*Juncus* spp.)

Rushes

Rushes are tough, grass-like wetland plants (genus Juncus) that thrive in damp soil and help create calm, sheltered habitat at the edges of ponds, rain gardens, and low spots.

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Sedges (*Carex* (genus))

Sedges

Sedges (genus Carex) are grass-like plants that form tidy clumps and thrive in many garden conditions, especially where soil stays a bit damp. They add texture, cover bare ground, and can support small wildlife by providing shelter and nesting material.

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Serviceberries (*Amelanchier* (genus))

Serviceberries

Serviceberries (genus Amelanchier) are small trees with early-season blossoms, edible berries, and strong wildlife value—an easy way to add beauty and pollinator support to a yard, school garden, or even a large container.

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Sunflowers (*Helianthus* spp.)

Sunflowers

Native sunflowers are bright, tough wildflowers in the genus Helianthus that feed pollinators and add cheerful color from mid-season into fall.

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Wild bergamot & bee balms (*Monarda* spp.)

Wild bergamot & bee balms

Wild bergamot and other bee balms (the genus Monarda) are easygoing native wildflowers known for their shaggy, pom‑pom blooms that draw in lots of pollinators. They’re a great choice when you want long-lasting summer color and a plant that feels lively with buzzing visitors.

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Willows (*Salix* spp.)

Willows

Willows are fast-growing trees and shrubs in the genus Salix that offer some of the earliest pollen and nectar of the year, making them a strong choice for pollinator-friendly yards, parks, and school grounds.

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Yarrow (*Achillea millefolium*)

Yarrow

Yarrow is a tough, easygoing wildflower that brings long-lasting blooms and steady pollinator visits to gardens, schoolyards, and even containers.

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Pollinators

Pollinators active in this region

Bee flies (Family Bombyliidae)

Bee flies

Adults visit flowers for nectar and can move pollen between blooms; their presence is a sign of diverse, functioning habitats.

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Brushfoots (Family Nymphalidae)

Brushfoots

Many brushfoots move pollen between flowers as they feed, and their caterpillars are part of healthy food webs.

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Bumble bees (Genus Bombus)

Bumble bees

Bumble bees are important pollinators of many wildflowers and garden plants, helping ecosystems and food crops reproduce.

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Flower flies / hoverflies

Adults visit flowers for nectar and pollen, and many species’ larvae help keep plant-eating pests in check.

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Hawk / sphinx moths (Family Sphingidae)

Hawk / sphinx moths

They can move pollen between flowers while feeding on nectar, especially for blooms that open or scent up in the evening.

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Leafcutter bees (Genus Megachile)

Leafcutter bees

They move pollen between flowers while foraging, helping many wild plants and garden plants set seed and fruit.

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Mason bees (Genus Osmia)

Mason bees

They move pollen between flowers while foraging, helping many wild plants and garden crops set seed and fruit.

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Mining bees (Genus Andrena)

Mining bees

They move pollen between flowers while foraging, helping many wild plants and garden plants set seed and fruit.

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Paper wasps (Genus Polistes)

Paper wasps

They can move pollen while drinking nectar, and they also help control many plant-eating insects.

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Silkmoths (giant moths) (Family Saturniidae)

Silkmoths (giant moths)

They’re part of healthy food webs and plant communities, and their caterpillars depend on a wide range of native trees and shrubs.

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Skippers (Family Hesperiidae)

Skippers

Skippers visit many flowers for nectar and can help move pollen between blooms while they feed.

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Small nectar moths (micro-moths) (Multiple families (varies))

Small nectar moths (micro-moths)

Many small moths move pollen while feeding on nectar, supporting wild plants and garden blooms—especially in the evening and at night.

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Soldier beetles (Family Cantharidae)

Soldier beetles

Many adults visit flowers and can move pollen between blooms, while also helping control some garden pests.

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Swallowtails (Family Papilionidae)

Swallowtails

Adult swallowtails visit many flowers for nectar and can help move pollen between blooms as they feed.

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Sweat bees (Family Halictidae)

Sweat bees

They help move pollen between flowers in gardens, parks, and natural areas, supporting seed and fruit production.

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Whites & sulphurs (Family Pieridae)

Whites & sulphurs

They visit a wide range of flowers for nectar and can help move pollen between blooms as they feed.

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