North America Native Plant

Mono Clover

Botanical name: Trifolium andersonii monoense

USDA symbol: TRANM

Life cycle: perennial

Habit: subshrub

Native status: Native to the lower 48 states  

Synonyms: Trifolium andersonii A. Gray var. monoense (Greene) Isely (TRANM2)  âš˜  Trifolium monoense Greene (TRMO9)   

Mono Clover: A Rare Native Treasure for Western Gardens Meet Mono clover (Trifolium andersonii monoense), a charming yet elusive member of the legume family that calls the mountainous regions of California and Nevada home. This perennial native might not be the showiest plant in your garden, but it carries the ...

Rare plant alert!

Region: Conservation status by state

Status: S4T3: Status is uncertain but is somewhere between the following rankings: 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 ⚘

Mono Clover: A Rare Native Treasure for Western Gardens

Meet Mono clover (Trifolium andersonii monoense), a charming yet elusive member of the legume family that calls the mountainous regions of California and Nevada home. This perennial native might not be the showiest plant in your garden, but it carries the quiet dignity of a true regional specialty – and that’s exactly what makes it special.

What Makes Mono Clover Special?

Mono clover is what botanists call a forb herb – essentially a soft-stemmed perennial that lacks the woody growth of shrubs and trees. As a subspecies of Anderson’s clover, it represents a unique adaptation to the specific conditions of its native range. You might also encounter it listed under its scientific synonyms: Trifolium andersonii var. monoense or Trifolium monoense.

This isn’t your typical lawn clover. Mono clover is a genuine wildflower that has evolved alongside the native ecosystems of the Sierra Nevada and surrounding regions for thousands of years.

Where Does It Grow?

Mono clover has a relatively limited native range, naturally occurring in California and Nevada. This narrow distribution is part of what makes it such a special addition to gardens within its native territory.

A Word About Rarity

Here’s something important to know: Mono clover has a Global Conservation Status of S4T3, indicating it’s considered uncommon to rare in its natural habitat. This means if you’re lucky enough to find this plant for your garden, make sure you’re sourcing it responsibly from reputable native plant nurseries or seed suppliers who propagate rather than wild-collect their stock.

Growing rare natives like Mono clover is actually a wonderful way to support conservation efforts – you’re essentially creating a refuge population in your own backyard while enjoying a truly unique regional specialty.

Should You Grow Mono Clover?

The case for planting it:

  • It’s a true native that supports local ecosystem health
  • As a legume, it naturally fixes nitrogen in the soil
  • You’ll be growing something genuinely rare and special
  • It connects your garden to the natural heritage of California and Nevada
  • Perfect for gardeners who love collecting unusual natives

Consider this first:

  • Limited availability due to its rarity status
  • May require specific growing conditions that aren’t well-documented
  • Not ideal if you’re looking for a bold, showy garden star

Growing Mono Clover: The Honest Truth

Here’s where we need to be upfront: detailed growing information for this specific subspecies is quite limited. Like many rare native subspecies, Mono clover hasn’t been extensively studied for garden cultivation. What we do know is that it’s adapted to the unique conditions of its native range in California and Nevada.

If you’re determined to try growing this special plant, your best bet is to:

  • Contact local native plant societies in California or Nevada for growing tips
  • Try to replicate the conditions of its natural habitat as closely as possible
  • Start with small trials rather than large plantings
  • Connect with other gardeners who may have experience with Anderson’s clover varieties

The Bottom Line

Mono clover represents the kind of gardening adventure that appeals to true native plant enthusiasts – those who value rarity, regional authenticity, and the satisfaction of successfully growing something genuinely special. While it may not be the easiest native to cultivate, it offers the unique reward of connecting your garden directly to the wild landscapes of the Sierra Nevada region.

If you can source it responsibly and you’re up for the challenge of growing a plant with limited cultivation information, Mono clover could become a true conversation piece in your native garden. Just remember: with great rarity comes great responsibility to source and grow it ethically.

Mono Clover

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

Fabales

Family

Fabaceae Lindl. - Pea family

Genus

Trifolium L. - clover

Species

Trifolium andersonii A. Gray - fiveleaf clover

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