North America Native Plant

Thin-stem Lady’s Mantle

Botanical name: Alchemilla filicaulis filicaulis

USDA symbol: ALFIF2

Life cycle: perennial

Habit: forb

Native status: Native to Canada âš˜ Native to Greenland âš˜ Native to St. Pierre and Miquelon  

Thin-Stem Lady’s Mantle: A Delicate Native Beauty for Cool Climate Gardens If you’re searching for a charming native perennial that thrives in cooler climates, thin-stem lady’s mantle (Alchemilla filicaulis filicaulis) might just be the perfect addition to your garden. This delicate herbaceous plant brings a touch of wild elegance to ...

Rare plant alert!

Region: Conservation status by state

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

Thin-Stem Lady’s Mantle: A Delicate Native Beauty for Cool Climate Gardens

If you’re searching for a charming native perennial that thrives in cooler climates, thin-stem lady’s mantle (Alchemilla filicaulis filicaulis) might just be the perfect addition to your garden. This delicate herbaceous plant brings a touch of wild elegance to rock gardens and naturalized spaces, especially if you’re gardening in Canada’s northern regions.

What Makes Thin-Stem Lady’s Mantle Special?

Thin-stem lady’s mantle is a true North American native, naturally occurring across Canada’s maritime provinces and northern territories, including New Brunswick, Nova Scotia, Ontario, Quebec, Labrador, and Newfoundland. You’ll also find this hardy perennial growing wild in Greenland and St. Pierre and Miquelon, which tells you everything you need to know about its love for cool, northern climates.

As a herbaceous perennial forb, this plant lacks woody stems but returns year after year, making it a reliable garden companion once established. Its delicate appearance belies its tough, cold-hardy nature – a true testament to the resilience of northern native plants.

A Note About Rarity

Before we dive into growing tips, it’s important to note that thin-stem lady’s mantle has an uncertain conservation status. If you’re interested in adding this plant to your garden, make sure to source it responsibly from reputable native plant nurseries rather than collecting from wild populations.

Garden Appeal and Design Uses

Don’t let the name fool you – while thin-stem lady’s mantle may sound delicate, it’s a wonderful addition to several garden styles:

  • Rock gardens: Its compact size and natural alpine heritage make it perfect for tucking between stones
  • Woodland edges: Creates a naturalized look that blends seamlessly with native plantings
  • Alpine gardens: Thrives in the cool, well-draining conditions that mountain plants love
  • Ground cover: Forms attractive low patches in suitable conditions

The plant produces clusters of tiny, yellowish-green flowers that may not be show-stoppers from a distance, but up close, they have a subtle charm that attracts small pollinators like flies and diminutive bees. The palmate leaves add textural interest throughout the growing season.

Growing Conditions and Care

If you live in USDA hardiness zones 2-6, you’re in luck – thin-stem lady’s mantle is incredibly cold hardy and actually prefers cooler climates. Here’s what this northern native needs to thrive:

Ideal Growing Conditions:

  • Light: Partial shade to full sun (in cooler climates)
  • Soil: Well-draining soil that doesn’t stay soggy
  • Moisture: Prefers consistently moist but not waterlogged conditions
  • Temperature: Cool climates are essential – this plant may struggle in hot, humid conditions

Planting and Care Tips

Once established, thin-stem lady’s mantle is refreshingly low-maintenance. Here are some tips for success:

  • Plant in spring after the last frost, though this hardy perennial can handle some cold
  • Ensure good drainage to prevent root rot
  • Water regularly during the first growing season to help establish roots
  • Mulch lightly to retain moisture and suppress weeds
  • In hotter climates (if you’re pushing its limits), provide afternoon shade

Wildlife and Pollinator Benefits

While thin-stem lady’s mantle may have small, modest flowers, they serve an important ecological role by providing nectar for small native pollinators. The plant’s low growth habit also offers shelter for ground-dwelling beneficial insects.

Is Thin-Stem Lady’s Mantle Right for Your Garden?

This native beauty is perfect for gardeners in northern regions who want to support local ecosystems with authentic native plants. However, it’s not the right choice for everyone:

Choose thin-stem lady’s mantle if you:

  • Garden in zones 2-6 with cool summers
  • Want a low-maintenance native perennial
  • Have rock gardens or naturalized areas to fill
  • Appreciate subtle, naturalistic beauty over flashy blooms

Consider alternatives if you:

  • Live in hot, humid climates
  • Want bold, showy flowers
  • Need plants for very dry conditions

Final Thoughts

Thin-stem lady’s mantle proves that native plants don’t have to be dramatic to be valuable. This quiet charmer offers gardeners in northern climates a chance to grow something truly local while supporting native pollinators and creating naturalistic garden spaces. Just remember to source your plants responsibly and give this cool-climate native the conditions it craves.

If you’re lucky enough to garden where this plant naturally occurs, thin-stem lady’s mantle could be the perfect way to bring a piece of your local wild landscape into your home garden.

Thin-stem Lady’s Mantle

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

Alchemilla L. - lady's mantle

Species

Alchemilla filicaulis Buser - thinstem lady's mantle

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