North America Native Plant

Sierra Skullcap

Botanical name: Scutellaria bolanderi

USDA symbol: SCBO2

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Sierra Skullcap: A Hidden Gem for California Native Gardens If you’re looking for a charming, low-maintenance native plant that’ll make both you and local pollinators happy, let me introduce you to Sierra skullcap (Scutellaria bolanderi). This delightful little perennial might not be the flashiest plant in the garden center, but ...

Sierra Skullcap: A Hidden Gem for California Native Gardens

If you’re looking for a charming, low-maintenance native plant that’ll make both you and local pollinators happy, let me introduce you to Sierra skullcap (Scutellaria bolanderi). This delightful little perennial might not be the flashiest plant in the garden center, but it’s got personality in spades and some serious native street cred.

What Exactly Is Sierra Skullcap?

Sierra skullcap is a native California perennial forb – which is just a fancy way of saying it’s a non-woody plant that comes back year after year. Don’t let the somewhat ominous skullcap name fool you; this plant is named for the shape of its seed pods, not because it’s plotting anything sinister in your garden beds!

As a true California native, this plant species is endemic to the Golden State and has been thriving in the Sierra Nevada region long before any of us thought about landscaping. It’s perfectly adapted to California’s unique climate and growing conditions, making it a smart choice for water-wise and sustainable gardening.

Where Does It Call Home?

Sierra skullcap is exclusively found in California, where it naturally grows in the mountainous regions of the Sierra Nevada. This geographic specificity makes it an excellent choice for gardeners wanting to create authentic California native landscapes.

Why Your Garden (and Local Wildlife) Will Love It

Here’s where Sierra skullcap really shines. This unassuming plant produces lovely small purple to blue flowers during the summer months that are absolutely irresistible to native bees and other small pollinators. In our increasingly challenged pollinator landscape, every flower that supports native insects is doing important work.

The plant has a low, spreading growth habit that makes it perfect for:

  • Ground cover in native plant gardens
  • Rock gardens and naturalistic plantings
  • Water-wise landscape designs
  • Woodland garden settings

Growing Conditions: Keep It Simple

One of the best things about Sierra skullcap is that it’s refreshingly low-maintenance once established. Here’s what it needs to thrive:

  • Sunlight: Partial shade to full sun – it’s pretty flexible
  • Soil: Well-draining soil is crucial; it doesn’t like wet feet
  • Water: Moderate water needs, though it appreciates occasional summer irrigation
  • Climate: Hardy in USDA zones 7-9

It’s worth noting that Sierra skullcap has a Facultative Wetland status, meaning it usually grows in wetland areas but can adapt to drier conditions. This flexibility makes it a great transitional plant between wetter and drier areas of your landscape.

Planting and Care Tips

Getting Sierra skullcap established in your garden is straightforward:

  • Plant in spring or fall when temperatures are moderate
  • Ensure excellent drainage – amend heavy clay soils with compost or pumice
  • Water regularly during the first growing season to help establish roots
  • Once established, reduce watering but don’t let it go completely dry during hot summers
  • Minimal pruning needed – just remove spent flowers if desired

The Bottom Line

Sierra skullcap might not be the showiest plant in your garden, but it’s a solid, reliable performer that supports local ecosystems while requiring minimal fuss from you. For California gardeners looking to create sustainable, wildlife-friendly landscapes with authentic native plants, Sierra skullcap deserves a spot on your plant list.

Plus, there’s something deeply satisfying about growing a plant that’s been thriving in your region for thousands of years. It’s like welcoming an old friend into your garden – one that knows exactly how to make itself at home.

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 work and fewer inputs. But the simplicity of this catchphrase conceals how tricky plant selection is. While tags 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. Surprisingly, many popular landscape plants are wetland species! And what may be a wetland plant in one area, in another it might thrive in drier conditions. Also, it helps you make smarter gardening choices and grow healthy plants with less care and feeding, saving you time, frustration, and money while producing an attractive garden with greater ecological benefits.

Regions
Status
Moisture Conditions

Arid West

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

Western Mountains, Valleys, and Coast

FACW

Facultative Wetland - Plants with this status usually occurs in wetlands but may occur in non-wetlands

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