North America Non-native Plant

Reversed Clover

Botanical name: Trifolium resupinatum

USDA symbol: TRRE4

Life cycle: annual

Habit: forb

Native status: A waif, a non-native that isn't naturalized in Canada âš˜ Non-native, reproduces and persists in the wild in Hawaii âš˜ Non-native, reproduces and persists in the wild in the lower 48 states  

Reversed Clover: The Upside-Down Annual That’s Turning Heads Have you ever stumbled across a clover that looks like it’s doing a headstand? Meet reversed clover (Trifolium resupinatum), an intriguing annual that gets its common name from its distinctive upside-down flower arrangement. This quirky little plant might just surprise you with ...

Reversed Clover: The Upside-Down Annual That’s Turning Heads

Have you ever stumbled across a clover that looks like it’s doing a headstand? Meet reversed clover (Trifolium resupinatum), an intriguing annual that gets its common name from its distinctive upside-down flower arrangement. This quirky little plant might just surprise you with its unique charm and practical benefits.

What Makes Reversed Clover Special?

Reversed clover is exactly what its name suggests – a clover with flowers that appear to be flipped upside down compared to typical clover species. This Mediterranean native belongs to the legume family and functions as a forb, meaning it’s an herbaceous plant without woody stems that dies back each year.

The plant produces small, eye-catching pink to purple flowers arranged in distinctive cone-shaped heads that point downward, giving it that characteristic reversed appearance that sets it apart from its more common clover cousins.

Where You’ll Find It

Originally from the Mediterranean region, reversed clover has made itself at home across a surprisingly wide range of North America. You can find it growing in over 30 states plus parts of Canada, including:

  • Most of the southeastern United States
  • Parts of the Midwest and Great Plains
  • Select areas in the West Coast
  • Even as far north as New Brunswick and Quebec

Garden Appeal and Landscape Role

While reversed clover isn’t a showstopper in the traditional sense, it brings several appealing qualities to gardens and landscapes:

  • Unique texture: Its upside-down flower heads create interesting visual contrast
  • Ground coverage: Forms a low-growing carpet that can fill in bare spots
  • Pollinator magnet: Attracts bees, butterflies, and other beneficial insects
  • Soil improvement: Like other legumes, it fixes nitrogen in the soil

This plant works well in cottage gardens, wildflower meadows, or as a temporary ground cover in areas where you’re planning future plantings.

Growing Conditions and Care

One of reversed clover’s biggest selling points is how easy-going it is. Here’s what it prefers:

  • Sunlight: Full sun for best growth and flowering
  • Soil: Well-drained soils of various types
  • Water: Drought tolerant once established
  • Climate: Hardy across USDA zones 3-10 as an annual

The plant typically avoids wetland areas, preferring upland sites with good drainage. In most regions, it’s classified as obligate upland, meaning you’ll almost never find it in consistently wet conditions.

Planting and Maintenance Tips

Growing reversed clover is refreshingly straightforward:

  • Direct seed in spring after the last frost or in fall
  • Scatter seeds on prepared soil and lightly rake in
  • Water gently until germination occurs
  • Once established, it needs minimal care
  • Allow plants to self-seed if you want them to return next year

As an annual, reversed clover completes its entire life cycle in one growing season, but it often self-seeds readily, creating the appearance of a perennial presence in your garden.

Should You Grow It?

Reversed clover occupies an interesting middle ground in the gardening world. It’s not native to North America, but it’s also not considered invasive or problematic. Here are some considerations:

Reasons to grow it:

  • Easy to grow and maintain
  • Provides pollinator benefits
  • Improves soil through nitrogen fixation
  • Adds unique visual interest
  • Self-seeds for future seasons

Things to consider:

  • It’s a non-native species
  • May self-seed more vigorously than expected
  • Not as beneficial to native wildlife as indigenous plants

Native Alternatives to Consider

If you’re focusing on supporting local ecosystems with native plants, consider these alternatives that provide similar benefits:

  • Wild bergamot (Monarda species)
  • Native lupines (Lupinus species)
  • Wild indigo (Amorpha species)
  • Native clovers specific to your region

These native options will provide even greater benefits to local pollinators and wildlife while offering similar nitrogen-fixing capabilities.

The Bottom Line

Reversed clover is a curious little plant that can add interest to informal garden spaces while providing practical benefits like soil improvement and pollinator support. While it’s not native to North America, it’s not problematic either, making it a reasonable choice for gardeners who appreciate its unique appearance and easy-care nature.

Whether you choose to grow reversed clover or opt for native alternatives, the key is creating spaces that support both your aesthetic vision and the broader ecosystem. Sometimes the most interesting gardens are those that thoughtfully blend the familiar with the unexpected – and reversed clover certainly fits that bill.

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

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Atlantic and Gulf Coastal Plain

FACU

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

Eastern Mountains and Piedmont

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Great Plains

FACU

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

Hawaii

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Midwest

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Northcentral & Northeast

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Western Mountains, Valleys, and Coast

UPL

Obligate Upland - Plants with this status almost never occurs in wetlands

Reversed 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 resupinatum L. - reversed clover

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