North America Native Plant

Sky Mousetail

Botanical name: Ivesia shockleyi var. shockleyi

USDA symbol: IVSHS

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Sky Mousetail: A Delicate Native Gem for Rock Gardens If you’re looking for a charming native wildflower that brings delicate beauty to challenging garden spots, meet the sky mousetail (Ivesia shockleyi var. shockleyi). This petite perennial might not be the showiest plant in your garden, but its understated elegance and ...

Rare plant alert!

Region: Conservation status by state

Status: S3S4T3T4: 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 ⚘ Subspecies or variety is 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 ⚘ Subspecies or varieties is apparently secure: Uncommon but not rare, and usually widespread. Possibly cause for longterm concern. Typically more than 100 occurrences in the region or more than 10,000 individuals ⚘

Sky Mousetail: A Delicate Native Gem for Rock Gardens

If you’re looking for a charming native wildflower that brings delicate beauty to challenging garden spots, meet the sky mousetail (Ivesia shockleyi var. shockleyi). This petite perennial might not be the showiest plant in your garden, but its understated elegance and adaptability to tough growing conditions make it a wonderful choice for the right setting.

What Makes Sky Mousetail Special?

Sky mousetail is a native forb that belongs to the rose family, though you’d never guess it from its appearance! This low-growing perennial produces clusters of tiny white to cream-colored flowers that seem to float above delicate, feathery foliage. The leaves are pinnately divided, creating an almost fern-like texture that adds fine detail to your garden composition.

Where Sky Mousetail Calls Home

This native beauty is found naturally across California, Nevada, and Oregon, where it thrives in mountainous regions and rocky terrain. As a true western native, it’s perfectly adapted to the challenging conditions of its natural habitat.

A Note About Conservation

Sky mousetail has a conservation status that indicates some level of concern about its populations in the wild. If you’re interested in growing this plant, please make sure you source it responsibly from reputable native plant nurseries rather than collecting from wild populations. By choosing nursery-grown plants, you’ll help protect wild populations while still enjoying this lovely native in your garden.

Perfect Spots for Sky Mousetail

This little charmer shines in specific garden situations:

  • Rock gardens where its delicate texture contrasts beautifully with stones
  • Alpine or mountain-style gardens
  • Native plant gardens focused on western species
  • Drought-tolerant landscapes where water conservation is key
  • Naturalized areas that mimic its wild habitat

Growing Conditions That Make Sky Mousetail Happy

Like many mountain natives, sky mousetail has some specific preferences that aren’t too hard to meet once you understand them:

Soil: The golden rule here is drainage, drainage, drainage! Sky mousetail absolutely must have well-draining soil. Sandy or rocky soils work perfectly, and it actually prefers alkaline conditions.

Sun: Full sun to partial shade works well, though it tends to be happiest with good light exposure.

Water: Once established, this tough little plant is quite drought tolerant. In fact, too much water can be its downfall, so err on the dry side.

Climate: Hardy in USDA zones 5-9, sky mousetail can handle both cold winters and hot, dry summers.

Planting and Care Tips

Getting sky mousetail established successfully is mostly about creating the right conditions from the start:

  • Plant in spring when the soil is workable
  • Ensure your planting site has excellent drainage – consider raised beds or slopes if your soil tends to stay wet
  • Water regularly the first season to help establish roots, then back off significantly
  • Don’t worry if the plant goes dormant during extreme heat – this is normal behavior
  • Minimal fertilization needed; rich soils can actually cause problems

Benefits Beyond Beauty

While sky mousetail might look delicate, it serves important ecological functions. Its small flowers provide nectar for native bees and other tiny pollinators that often get overlooked in garden planning. As a native plant, it also supports the complex web of relationships that sustain local ecosystems.

Is Sky Mousetail Right for Your Garden?

Sky mousetail is definitely a plant for gardeners who appreciate subtle beauty and want to support native species. It’s not the right choice if you’re looking for bold color or rapid growth, but if you love delicate textures, have challenging rocky or sandy sites, and want to create habitat for native pollinators, this charming native could be perfect.

Remember to source your plants responsibly, be patient as it establishes, and enjoy watching this little piece of western wilderness thrive in your garden!

Sky Mousetail

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Rosidae

Order

Rosales

Family

Rosaceae Juss. - Rose family

Genus

Ivesia Torr. & A. Gray - mousetail

Species

Ivesia shockleyi S. Watson - sky mousetail

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