North America Native Plant

Bolander’s Mock Dandelion

Botanical name: Phalacroseris bolanderi

USDA symbol: PHBO2

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Bolander’s Mock Dandelion: A Rare Wetland Gem for California Gardens If you’re looking to add some authentic California charm to your wetland garden, Bolander’s mock dandelion (Phalacroseris bolanderi) might just be the quirky little native you’ve been searching for. This petite perennial brings sunny yellow blooms to wet spaces where ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4: Status is uncertain but is somewhere between the following rankings: 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 ⚘ Apparently Secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the state or more than 10,000 individuals ⚘

Bolander’s Mock Dandelion: A Rare Wetland Gem for California Gardens

If you’re looking to add some authentic California charm to your wetland garden, Bolander’s mock dandelion (Phalacroseris bolanderi) might just be the quirky little native you’ve been searching for. This petite perennial brings sunny yellow blooms to wet spaces where most plants fear to tread, though it comes with some special considerations that every responsible gardener should know.

What Makes This Plant Special

Bolander’s mock dandelion is a true California native, found exclusively in the Golden State. As its common name suggests, this little charmer produces cheerful yellow flowers that bear a striking resemblance to dandelions – but don’t let that fool you into thinking it’s as common or easy-going as its weedy lookalike.

This herbaceous perennial forms low rosettes of narrow leaves and sends up delicate stems topped with bright yellow composite flowers. It’s part of the sunflower family, which explains those familiar daisy-like blooms that pollinators absolutely adore.

Where You’ll Find It Growing Wild

In nature, Bolander’s mock dandelion calls California home, specifically thriving in the state’s wet meadows, marshy areas, and other consistently moist habitats. You’ll find it scattered across various regions of California, from coastal areas to inland valleys.

A Word of Caution: Rarity Matters

Before you start planning your planting scheme, here’s something important to consider: Bolander’s mock dandelion has a conservation status that suggests it may be somewhat uncommon in the wild. If you’re interested in growing this native beauty, please make sure you source it responsibly from reputable native plant nurseries rather than collecting from wild populations. Every wild plant matters when it comes to preserving our native heritage!

Is This Plant Right for Your Garden?

Bolander’s mock dandelion is definitely not your typical garden perennial. This plant is what botanists call an obligate wetland species, which is a fancy way of saying it absolutely, positively needs wet conditions to survive. We’re talking consistently moist to soggy soil – the kind that would make most garden plants throw in the towel.

Consider this plant if you have:

  • A bog garden or constructed wetland
  • A rain garden that stays moist year-round
  • Natural wet areas on your property
  • A commitment to maintaining consistently wet conditions

Growing Conditions and Care

Think of Bolander’s mock dandelion as the aquatic cousin of your typical garden flowers. This little native thrives in USDA hardiness zones 8-10, which aligns perfectly with California’s Mediterranean and semi-arid climates.

Here’s what this moisture-loving native needs to flourish:

  • Moisture: Consistently wet to moist soil – think marsh-like conditions
  • Light: Full sun to partial shade
  • Soil: Tolerates various soil types as long as they stay wet
  • Maintenance: Low maintenance once established in appropriate conditions

Benefits for Wildlife and Pollinators

Those cheery yellow flowers aren’t just pretty to look at – they’re also pollinator magnets. Native bees, flies, and other small pollinators appreciate the nectar and pollen that Bolander’s mock dandelion provides. By growing this native, you’re supporting local ecosystems and helping maintain the intricate web of relationships between California’s native plants and wildlife.

The Bottom Line

Bolander’s mock dandelion is a wonderful choice for gardeners who have the right conditions and want to support California’s native plant heritage. However, it’s not a plant for everyone – those wet soil requirements are non-negotiable, and its conservation status means you’ll need to source it thoughtfully.

If you have a bog garden, wetland area, or rain garden that stays consistently moist, and you can find responsibly sourced plants, this little native will reward you with charming yellow blooms and the satisfaction of knowing you’re growing a true piece of California’s natural heritage. Just remember: when it comes to rare natives like this one, every plant in cultivation helps ensure future generations can enjoy these botanical treasures too.

Bolander’s Mock Dandelion

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Asteridae

Order

Asterales

Family

Asteraceae Bercht. & J. Presl - Aster family

Genus

Phalacroseris A. Gray - mock dandelion

Species

Phalacroseris bolanderi A. Gray - Bolander's mock dandelion

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