North America Native Plant

Shasta Snow-wreath

Botanical name: Neviusia cliftonii

USDA symbol: NECL

Life cycle: perennial

Habit: shrub

Native status: Native to the lower 48 states  

Shasta Snow-Wreath: California’s Rare Native Treasure Meet the Shasta snow-wreath (Neviusia cliftonii), one of California’s most elusive native shrubs. This perennial beauty is like finding a hidden gem in the world of native gardening – rare, special, and absolutely worth knowing about, even if you never get the chance to ...

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) ⚘

Shasta Snow-Wreath: California’s Rare Native Treasure

Meet the Shasta snow-wreath (Neviusia cliftonii), one of California’s most elusive native shrubs. This perennial beauty is like finding a hidden gem in the world of native gardening – rare, special, and absolutely worth knowing about, even if you never get the chance to grow one yourself.

What Makes This Plant Special?

The Shasta snow-wreath is a multi-stemmed woody shrub that typically stays under 13-16 feet tall, making it a manageable size for most gardens. True to its name, this member of the rose family produces clusters of delicate white flowers that create a snow-like appearance in spring – a sight that’s becoming increasingly rare in the wild.

Where Does It Call Home?

This native beauty is found exclusively in California, making it a true Golden State endemic. Its limited range is part of what makes it so special – and so vulnerable.

The Conservation Reality Check

Here’s where things get serious: the Shasta snow-wreath has a Global Conservation Status of S2, meaning it’s imperiled. With typically only 6-20 known occurrences and just 1,000-3,000 remaining individuals in the wild, this plant is walking a tightrope toward extinction.

What does this mean for gardeners? If you’re lucky enough to find responsibly sourced Shasta snow-wreath plants or seeds, you could be part of conservation efforts. However, never collect from wild populations – that’s a big no-no that could push this rare beauty closer to the edge.

Garden Potential and Growing Tips

While specific growing information for Neviusia cliftonii is limited due to its rarity, here’s what we can piece together:

  • Best suited for specialized native plant gardens or conservation collections
  • Likely prefers California’s Mediterranean climate conditions
  • As a member of the rose family, it probably attracts native pollinators
  • Multi-stemmed growth habit makes it suitable as a specimen or accent plant

Should You Grow It?

The honest answer? Most gardeners won’t have the opportunity. But if you do encounter responsibly sourced plants through conservation nurseries or botanical institutions, consider yourself incredibly fortunate. Growing rare natives like the Shasta snow-wreath isn’t just gardening – it’s conservation in action.

Alternative Native Choices

If you’re drawn to the idea of growing California natives with white spring flowers, consider more readily available options like:

  • California mock orange (Philadelphus lewisii californicus)
  • Western redbud (Cercis occidentalis) – for pink-white blooms
  • Ceanothus varieties with white flowers

The Bottom Line

The Shasta snow-wreath represents everything we love about native plants – uniqueness, beauty, and deep connections to place. While most of us may never grow one, knowing about rare species like this reminds us why native plant conservation matters. Every common native we choose to plant helps create habitat corridors and supports the ecosystems that rare species like Neviusia cliftonii desperately need.

Sometimes the most important plants aren’t the ones we grow, but the ones we help protect.

Shasta Snow-wreath

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

Neviusia A. Gray - snow-wreath

Species

Neviusia cliftonii Shevock, Ertter & D.W. Taylor - Shasta snow-wreath

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