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Perennial

Sidalcea oregana

Sidalcea oregana (Torr. & A.Gray) A.Gray

Oregon CheckerbloomOregon CheckermallowOregon Sidalcea

Sidalcea oregana is a tall, showy perennial native to moist meadows and prairies of the Pacific Northwest, producing elegant spikes of pink to rosy-purple hollyhock-like flowers. It symbolizes endurance, wildness, and the living heritage of western landscapes.

Plant Family

Malvaceae (Mallow family)

Blooming

June to August (summer)

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Sidalcea oregana Oregon checkerbloom flower spikes in bloom
Sidalcea oregana Oregon checkerbloom flower spikes in bloom

Symbolism & Meanings

Key Meanings

Endurance
Wild grace
Resilience
Natural beauty
Community
Rooted strength

Perfect For

Native plant garden dedicationsEcological restoration milestonesSummer wildflower celebrationsGifts for gardeners and conservationists

Color Meanings

Pink:Warmth, admiration, and gentle strength
Rose-pink:Heartfelt affection and natural vitality
Rosy purple:Dignity, elegance, and deep roots
Pale pink:Softness, hope, and quiet resilience

Similar flowers: yellow silk floss flowers and sidalcea malvifloras also share similar meanings.

Cultural Significance

Oregon checkerbloom is named for the state of Oregon, where it is one of the most recognizable native mallow species of moist mountain meadows. As a key plant in Pacific Northwest prairie ecosystems, it plays an important role supporting native bees, butterflies, and other pollinators. Certain subspecies, including the Kenwood Marsh checkerbloom, are federally listed as endangered, making the broader species a symbol of both the beauty and the fragility of western native plant communities. It represents the enduring spirit of wild places that persist even under pressure.
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Botanical Information

Physical Characteristics

Flower Size: 0.75–1.5 inches across (2–4 cm); five notched petals
Plant Size: 12–36 inches tall (30–90 cm); branched from a taproot
Flower Shape: Hollyhock-like; five rounded, notched petals forming a loose upright spike or raceme; flowers open sequentially from the bottom of the spike upward

Natural Habitat

Native to: Oregon, Washington, British Columbia, Idaho, California (northern), Montana, Wyoming, Nevada
Habitat: Moist meadows, wet prairies, stream banks, and moist roadsides in mountain and foothill zones
Climate: Temperate, Pacific Northwest, Mountain West

Growing Guide

Sunlight

Full sun to partial shade

Water

Prefers consistent moisture; tolerates seasonal dryness once established but performs best with reliable water through the growing season

Soil

Moist, Loamy, Clay-tolerant, Well-drained in summer, pH 6.0–7.5

Expert Growing Tips

1

Plant in moist, humus-rich soil in full sun for best flowering

2

Deadhead spent flower spikes to encourage repeat blooming

3

Cut back to the basal rosette in autumn to tidy and encourage fresh spring growth

4

Divide crowns every few years in early spring to maintain vigor

5

Note that several subspecies are federally listed as endangered; always source plants from reputable native nurseries

Uses & Benefits

Ornamental Uses

  • Pollinator and native bee gardens
  • Prairie and meadow-style plantings
  • Moist borders and rain gardens
  • Butterfly gardens
  • Cut flower arrangements

Frequently Asked Questions about the Sidalcea oregana

What does Sidalcea oregana symbolize?

Oregon checkerbloom symbolizes endurance, wild grace, and rooted strength. Named for Oregon, it represents the resilience of Pacific Northwest native plant communities and the beauty of moist prairie landscapes.

Is Sidalcea oregana endangered?

The species as a whole is globally secure, but several subspecies are federally listed as endangered in the United States, including the Kenwood Marsh checkerbloom and the Wenatchee Mountains checker-mallow, which have very restricted ranges.

How do you grow Oregon Checkerbloom?

Plant in moist, loamy soil in full sun to partial shade. Provide consistent moisture through the growing season and cut back to the basal rosette after flowering. It thrives in Pacific Northwest meadow gardens and moist prairie-style plantings.

What pollinators does Sidalcea oregana attract?

It is an excellent pollinator plant, attracting native bees, butterflies, and hummingbirds. The flowers are especially valuable to specialist native bees that rely on Sidalcea pollen.

Available Colors

Pink
Rose-pink
Rosy purple
Pale pink
Deep magenta

Quick Facts

Type:perennial
Family:Malvaceae (Mallow family)
Native to:Oregon
Blooms:June to August (summer)

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