North America Native Plant

Parish’s Checker

Botanical name: Sidalcea hickmanii parishii

USDA symbol: SIHIP

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Sidalcea hickmanii Greene var. parishii B.L. Rob. (SIHIP2)   

Parish’s Checker: A Rare California Native Worth Protecting Meet Parish’s checker (Sidalcea hickmanii parishii), a charming perennial wildflower that’s as rare as it is beautiful. This delicate member of the mallow family might not be the showiest plant in your garden, but it carries the distinction of being a true ...

Rare plant alert!

Region: Conservation status by state

Status: S3T1: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is critically Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 5 or fewer occurrences or very few remaining individuals (<1,000) ⚘ Vulnerable: Either very rare and local throughout its range, found only in a restricted range (even if abundant at some locations), or factors are making it vulnerable to extinction. Typically 21 to 100 occurrences or between 3,000 and 10,000 individuals ⚘

Parish’s Checker: A Rare California Native Worth Protecting

Meet Parish’s checker (Sidalcea hickmanii parishii), a charming perennial wildflower that’s as rare as it is beautiful. This delicate member of the mallow family might not be the showiest plant in your garden, but it carries the distinction of being a true California endemic – and one that needs our help to survive.

What Makes Parish’s Checker Special?

Parish’s checker is a perennial forb, which is just a fancy way of saying it’s a soft-stemmed plant that comes back year after year without developing woody tissue like shrubs or trees. As part of the Sidalcea genus, it produces lovely spikes of pink to rose-colored flowers that have that distinctive mallow family look – think hollyhocks, but in miniature.

This plant is native exclusively to California, making it a true Golden State original. However, here’s where things get serious: Parish’s checker has a Global Conservation Status of S3T1, indicating it’s quite rare and vulnerable. This isn’t just another pretty wildflower – it’s a plant that’s struggling to maintain its foothold in the wild.

Should You Grow Parish’s Checker?

The short answer is: maybe, but with important caveats. If you’re a dedicated native plant enthusiast in California who’s committed to conservation gardening, Parish’s checker could be a meaningful addition to your collection. However, because of its rarity, you absolutely must source it responsibly.

Important Considerations for Rare Plant Gardening

  • Never collect seeds or plants from wild populations
  • Only purchase from reputable native plant nurseries that propagate their own stock
  • Consider participating in conservation efforts or seed banks
  • Understand that availability will be extremely limited

Growing Conditions and Care

While specific growing information for Parish’s checker is limited due to its rarity, we can make educated guesses based on its California origins and related species in the Sidalcea family:

  • Climate zones: Likely thrives in USDA zones 8-10
  • Sunlight: Probably prefers full sun to partial shade
  • Soil: Well-draining soil is likely essential
  • Water: Once established, probably quite drought-tolerant
  • Maintenance: Minimal care needed after establishment

Garden Role and Design Ideas

Parish’s checker would fit beautifully in a specialized native plant garden, particularly one focused on California endemics or rare species conservation. Its delicate flower spikes would complement other native grasses and wildflowers, creating a naturalistic meadow effect. This isn’t a plant for formal borders or high-impact display gardens – it’s for gardeners who appreciate subtlety and want to make a conservation statement.

Wildlife and Pollinator Benefits

Like other members of the Sidalcea family, Parish’s checker likely attracts native bees, butterflies, and other pollinators. By growing rare natives like this, you’re not just creating habitat – you’re potentially providing a lifeline for equally rare pollinators that may have co-evolved with these plants.

The Bottom Line

Parish’s checker represents both an opportunity and a responsibility. If you can source it ethically and have the right growing conditions, you’ll be participating in an important conservation effort while adding a truly unique California native to your garden. Just remember: with great rarity comes great responsibility. This isn’t a plant to grow casually – it’s one to grow with purpose and care.

For most gardeners, focusing on more common California natives might be the better choice. But for those dedicated to rare plant conservation, Parish’s checker offers the chance to be part of something bigger than just gardening – you’ll be helping preserve a piece of California’s irreplaceable natural heritage.

Parish’s Checker

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Dilleniidae

Order

Malvales

Family

Malvaceae Juss. - Mallow family

Genus

Sidalcea A. Gray - checkerbloom

Species

Sidalcea hickmanii Greene - chaparral checkerbloom

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