North America Native Plant

Wilkins’ Bellflower

Botanical name: Campanula wilkinsiana

USDA symbol: CAWI8

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Wilkins’ Bellflower: A Rare California Treasure Worth Protecting Meet Wilkins’ bellflower (Campanula wilkinsiana), one of California’s most elusive native wildflowers. This isn’t your typical garden center find – it’s a botanical gem that’s as rare as it is beautiful, making it a plant that deserves our attention and respect. What ...

Rare plant alert!

Region: Conservation status by state

Status: S2: Status is uncertain but is somewhere between the following rankings: Imperiled: Extremely rare due to factor(s) making it especially vulnerable to extinction. Typically 6 to 20 occurrences or few remaining individuals (1,000 to 3,000) ⚘

Wilkins’ Bellflower: A Rare California Treasure Worth Protecting

Meet Wilkins’ bellflower (Campanula wilkinsiana), one of California’s most elusive native wildflowers. This isn’t your typical garden center find – it’s a botanical gem that’s as rare as it is beautiful, making it a plant that deserves our attention and respect.

What Makes Wilkins’ Bellflower Special?

Wilkins’ bellflower is a native California perennial that belongs to the beloved bellflower family. As a forb – essentially a non-woody flowering plant – it produces the characteristic bell-shaped blooms that make campanulas so charming. But here’s where things get serious: this little beauty is classified as imperiled, with only 6 to 20 known occurrences in the wild.

Where Does It Call Home?

This rare native is endemic to California, meaning it exists nowhere else on Earth. Its extremely limited distribution makes every single population precious for maintaining California’s unique botanical heritage.

A Plant That Loves Wet Feet

Wilkins’ bellflower has an interesting relationship with water. It’s classified as a facultative wetland plant, which means it usually hangs out in wetland areas but can occasionally be found in drier spots. This adaptability likely helped it survive in California’s diverse landscapes, though clearly not enough to keep it common.

Should You Grow Wilkins’ Bellflower?

Here’s where we need to have an honest conversation. While this native California perennial would theoretically make a wonderful addition to a native plant garden, its imperiled status means we need to approach it very differently than other plants.

Important conservation note: Given its S2 conservation status (imperiled with very few occurrences), Wilkins’ bellflower should only be grown if you can obtain seeds or plants from legitimate conservation sources that don’t impact wild populations. Never collect from the wild.

If You’re Lucky Enough to Grow It

Should you find responsibly sourced material, here’s what this rare beauty might need:

  • Wetland or consistently moist conditions (based on its facultative wetland status)
  • California’s climate zones where it naturally occurs
  • A spot in a conservation-focused native plant garden
  • Careful attention and protection from disturbance

Better Alternatives for Most Gardeners

For most California native plant enthusiasts, consider these more readily available bellflower relatives:

  • California harebell (Campanula prenanthoides) – another California native that’s less rare
  • Other native Campanula species that aren’t imperiled
  • Native wildflowers that provide similar ecological benefits without conservation concerns

The Bigger Picture

Wilkins’ bellflower reminds us that not every beautiful native plant is meant for our gardens. Sometimes the best way to love a plant is to protect its wild habitat and support conservation efforts. If you’re passionate about rare California natives, consider volunteering with local botanical societies or supporting habitat preservation instead.

By understanding and respecting the rarity of plants like Wilkins’ bellflower, we become better stewards of California’s incredible botanical diversity – ensuring that future generations might have the chance to encounter this special little bellflower in its native haunts.

Wilkins’ Bellflower

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

Campanulales

Family

Campanulaceae Juss. - Bellflower family

Genus

Campanula L. - bellflower

Species

Campanula wilkinsiana Greene - Wilkins' bellflower

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