North America Native Plant

Sierra Skullcap

Botanical name: Scutellaria bolanderi austromontana

USDA symbol: SCBOA

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Sierra Skullcap: A Rare California Native Worth Knowing If you’re passionate about California native gardening and love discovering lesser-known botanical gems, Sierra skullcap (Scutellaria bolanderi austromontana) might just capture your interest. This perennial member of the mint family represents the kind of specialized native plant that makes California’s flora so ...

Rare plant alert!

Region: Conservation status by state

Status: S4T2: Status is uncertain but is somewhere between the following rankings: Subspecies or variety is 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) ⚘ 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 ⚘

Sierra Skullcap: A Rare California Native Worth Knowing

If you’re passionate about California native gardening and love discovering lesser-known botanical gems, Sierra skullcap (Scutellaria bolanderi austromontana) might just capture your interest. This perennial member of the mint family represents the kind of specialized native plant that makes California’s flora so incredibly diverse and fascinating.

What Makes Sierra Skullcap Special

Sierra skullcap is a native California forb—essentially a soft-stemmed perennial that dies back to the ground each winter and returns fresh each spring. Unlike its woody neighbors, this plant puts its energy into herbaceous growth, creating delicate stems and foliage that complement rather than dominate a native landscape.

As a member of the Scutellaria genus, Sierra skullcap belongs to the mint family, which means it likely shares some of the characteristic square stems and aromatic qualities that make this plant family so recognizable to gardeners.

Where You’ll Find It in the Wild

This particular subspecies calls California home, representing one of the many endemic plants that make the Golden State a botanist’s paradise. Sierra skullcap has adapted to California’s unique climate patterns and growing conditions over thousands of years.

A Word About Rarity

Here’s something important to know: Sierra skullcap has a Global Conservation Status of S4T2, which indicates this plant has some level of conservation concern. This means if you’re interested in growing this native beauty, you’ll want to be extra thoughtful about sourcing.

Always purchase from reputable native plant nurseries that grow their stock from ethically collected seeds or cuttings—never dig plants from the wild. This helps protect wild populations while still allowing gardeners to cultivate these special natives.

Growing Sierra Skullcap: What We Know

While detailed cultivation information specifically for this subspecies is limited, we can make some educated guesses based on its native habitat and plant family characteristics:

  • Climate: Adapted to California’s Mediterranean climate with wet winters and dry summers
  • Growth pattern: Dies back in winter, returns from underground parts in spring
  • Maintenance: Likely low-maintenance once established, following typical California native plant care
  • Water needs: Probably drought-tolerant once established, but may appreciate some summer water in hotter inland areas

Is Sierra Skullcap Right for Your Garden?

This native could be perfect for you if:

  • You’re passionate about growing rare California natives
  • You want to support local biodiversity
  • You’re creating a specialized native plant collection
  • You have patience for plants that may be slower to establish

However, you might want to consider other options if:

  • You’re looking for a showy, high-impact garden plant
  • You want something readily available at most nurseries
  • You prefer plants with extensive cultivation information

The Bottom Line

Sierra skullcap represents the kind of botanical treasure that makes native gardening such an adventure. While it may not be the easiest plant to find or the most dramatic in the garden, it offers something invaluable: a direct connection to California’s unique natural heritage.

If you do decide to seek out this special native, remember to source it responsibly and give it the time and patience it deserves. Sometimes the most rewarding garden plants are the ones that make us work a little harder to understand and appreciate them.

Sierra Skullcap

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

Lamiales

Family

Lamiaceae Martinov - Mint family

Genus

Scutellaria L. - skullcap

Species

Scutellaria bolanderi A. Gray - Sierra skullcap

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