Native Plants

Cusick’s Checkerbloom

Sidalcea cusickii

USDA symbol: SICU

perennial forb

Lower 48 states: native

If you’re on the hunt for native plants that fly under the radar, let me introduce you to Cusick’s checkerbloom (Sidalcea cusickii). This charming perennial forb might not be the flashiest plant in your garden center, but it’s got some serious native plant street cred that’s worth considering for your ...

Cusick’s Checkerbloom: A Lesser-Known Native Gem for Pacific Northwest Gardens

If you’re on the hunt for native plants that fly under the radar, let me introduce you to Cusick’s checkerbloom (Sidalcea cusickii). This charming perennial forb might not be the flashiest plant in your garden center, but it’s got some serious native plant street cred that’s worth considering for your Pacific Northwest landscape.

What Is Cusick’s Checkerbloom?

Cusick’s checkerbloom is a native perennial forb – basically a non-woody flowering plant that comes back year after year. As a member of the mallow family, it shares DNA with some pretty recognizable cousins, though it tends to keep a much lower profile than its showier relatives.

You might also see this plant listed under a couple of scientific aliases: Sidalcea cusickii Piper ssp. purpurea or Sidalcea oregana var. cusickii. Don’t let the name game confuse you – it’s all the same lovely native plant.

Where Does It Call Home?

This Pacific Northwest native has made Oregon its primary stomping ground. As a plant that’s truly native to the lower 48 states, Cusick’s checkerbloom has been quietly doing its thing in Oregon’s landscapes long before any of us started thinking about native gardening.

  • Species observed
  • No observations

The Wetland Connection

Here’s where things get interesting: Cusick’s checkerbloom is what botanists call a facultative wetland plant in both the Arid West and Western Mountains regions. In plain English? This means it usually hangs out in wetland areas but won’t turn up its nose at drier spots either. Think of it as the flexible friend of the plant world – adaptable and easy-going about where it sets up shop.

Why Consider Cusick’s Checkerbloom for Your Garden?

While detailed growing information for this specific species is limited, here are some compelling reasons to give it a try:

  • Native credibility: You’re supporting local ecosystems by choosing a plant that belongs here
  • Perennial reliability: Once established, it’ll return year after year
  • Wetland versatility: Perfect for those tricky spots that are sometimes wet, sometimes dry
  • Low-maintenance potential: Native plants typically require less babying once they’re settled in

The Honest Truth About Growing It

Here’s where I need to level with you: specific growing information for Sidalcea cusickii is surprisingly scarce. This isn’t necessarily a bad thing – it just means this plant hasn’t been heavily studied or widely cultivated. What we do know is that it’s a hardy Oregon native that can handle wetland conditions.

If you’re interested in trying Cusick’s checkerbloom, your best bet is to:

  • Contact local native plant societies or botanical gardens in Oregon
  • Look for specialty native plant nurseries that might carry it
  • Consider it for naturalized areas rather than formal garden beds
  • Plant it in areas that occasionally get wet but also drain reasonably well

Is This Plant Right for You?

Cusick’s checkerbloom might be perfect if you’re:

  • A native plant enthusiast looking for something unique
  • Dealing with areas that are sometimes wet, sometimes dry
  • Creating a naturalized or restoration-style landscape
  • Located in Oregon and want to support truly local flora

However, if you’re looking for a plant with detailed care instructions, predictable garden performance, or widespread availability, you might want to start with better-documented native alternatives while this one remains more of a specialist’s choice.

The Bottom Line

Cusick’s checkerbloom represents the exciting frontier of native gardening – plants that are authentically local but haven’t yet made it into mainstream horticulture. While we don’t have all the answers about growing it successfully, sometimes the most rewarding garden adventures come from working with plants that still hold a bit of mystery.

If you do manage to track down this Oregon native, you’ll be part of a select group of gardeners helping to preserve and promote truly local flora. And who knows? Your success with Cusick’s checkerbloom might just help fill in some of those knowledge gaps for future native plant enthusiasts.

Sidalcea cusickii is also known as...

Often we refer to plants by their common names. When shopping for plants the scientific name is the best way to positively identify the plant species you desire. But some plants have more than one name! While it doesn't happen often, nurseries might display one name while you're searching for another. Sidalcea cusickii is also known as:

Sidalcea cusickii Piper ssp. purpurea | USDA symbol: SICUP
Sidalcea oregana Gray var. cusickii | USDA symbol: SIORC3

Why do some plants have more than one name? Over time plant species may be renamed for a few reasons:

  1. Botanists in different regions named the same plant without knowing it had already been classified.
  2. A species was reclassified after scientific advances in, for example, DNA analysis.
  3. Slight variations within a species are sometimes mistakenly identified as entirely new species.

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 care and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection can be if you don't have the right information. While tags on nursery plants 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. You might be surprised to learn that popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. The table below gives insight into the preferred growing conditions of this plant throughout its geographical distribution.

Region
Preferred Habitat

Arid West (AZ, CA, CO, ID, MT, NV, NM, OR, TX, UT, WA, WY)

Facultative Wetland

Western Mountains, Valleys, and Coast (AZ, CA, CO, ID, MT, NV, NM, OR, SD, UT, WA, WY)

Facultative Wetland
Wetland Glossary
Obligate Wetland
Facultative Wetland
Facultative
Facultative Upland
Obligate Upland
Almost always occurs in wetlands
Usually occurs in wetlands but may occur in non-wetlands
Can occur in wetlands and non-wetlands
Usually occurs in non-wetlands but may occur in wetlands
Almost never occurs in wetlands

Classification

Group: Dicot
Kingdom: Plantae - Plants
Subkingdom: Tracheobionta - Vascular plants
Superdivision: Spermatophyta - Seed plants
Division: Magnoliophyta - Flowering plants
Class: Magnoliopsida - Dicotyledons
Subclass: Dilleniidae
Order: Malvales
Family: Malvaceae Juss. - Mallow family
Genus: Sidalcea A. Gray - checkerbloom

Species: Sidalcea cusickii Piper - Cusick's checkerbloom

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