North America Native Plant

Longstalk Clover

Botanical name: Trifolium longipes longipes

USDA symbol: TRLOL3

Life cycle: perennial

Habit: forb

Native status: Native to the lower 48 states  

Longstalk Clover: A Pacific Northwest Native Worth Growing If you’re looking for a low-maintenance native plant that works hard in your garden, meet longstalk clover (Trifolium longipes longipes). This charming perennial forb might not be the flashiest plant in your landscape, but it’s definitely one of the most useful – ...

Rare plant alert!

Region: Conservation status by state

Status: S5T3T4: 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. ⚘ 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 ⚘ Secure: At very low or no risk of extinction in the jurisdiction due to a very extensive range, abundant populations or occurrences, with little to no concern from declines or threats. ⚘

Longstalk Clover: A Pacific Northwest Native Worth Growing

If you’re looking for a low-maintenance native plant that works hard in your garden, meet longstalk clover (Trifolium longipes longipes). This charming perennial forb might not be the flashiest plant in your landscape, but it’s definitely one of the most useful – especially if you’re gardening in Washington state.

What Makes Longstalk Clover Special?

Longstalk clover is a true Pacific Northwest native, naturally occurring in Washington state. As its name suggests, this little clover stands out from its cousins thanks to its distinctively long flower stalks that elevate delicate white to pinkish blooms above the foliage. It’s a perennial forb, meaning it lacks woody tissue but comes back year after year, making it a reliable addition to your garden palette.

Where Does It Grow?

This clover is native to Washington state, where it has adapted to the region’s unique climate and growing conditions. While it may seem geographically limited, this specialization means it’s perfectly suited for Pacific Northwest gardens.

Why Plant Longstalk Clover?

There are several compelling reasons to consider this native clover for your landscape:

  • Pollinator magnet: The flowers attract bees, butterflies, and other beneficial pollinators
  • Soil improver: Like other clovers, it fixes nitrogen in the soil, naturally fertilizing nearby plants
  • Low maintenance: Once established, it requires minimal care
  • Native credentials: Supporting local ecosystems and wildlife
  • Drought tolerance: Handles dry conditions well after establishment

Perfect Garden Settings

Longstalk clover shines in naturalized areas, meadow gardens, and wildlife-focused landscapes. It’s not the plant for formal flower beds, but it’s perfect for:

  • Wildflower meadows
  • Native plant gardens
  • Pollinator gardens
  • Low-maintenance ground cover areas
  • Restoration projects

Growing Conditions and Care

This adaptable native prefers well-drained soils and thrives in full sun to partial shade conditions. It’s suited for USDA hardiness zones 5-9, making it perfect for most Pacific Northwest gardens. The key to success is providing good drainage – like many natives, it doesn’t appreciate soggy feet.

Once established, longstalk clover is remarkably self-sufficient. It can handle drought conditions and doesn’t require regular fertilization (remember, it makes its own nitrogen!). During the establishment period, provide occasional watering, but after that, natural rainfall should be sufficient in most Pacific Northwest locations.

Important Considerations

While longstalk clover is a wonderful native plant, it does have a conservation status that suggests it may be somewhat uncommon in its native range. If you’re interested in growing this species, make sure to source it from reputable native plant nurseries that use responsibly collected seed or propagated material – never collect from wild populations.

Also keep in mind that this plant is specifically adapted to Washington state conditions. If you’re gardening outside this region, you might want to consider other native clover species better suited to your local area.

The Bottom Line

Longstalk clover may not win any flashy flower contests, but it’s a hardworking native that deserves consideration for Pacific Northwest gardens. Its combination of pollinator appeal, soil-improving qualities, and low-maintenance nature makes it a smart choice for gardeners who want to support local ecosystems while keeping their workload manageable. Just remember to source it responsibly and give it the well-drained conditions it prefers, and you’ll have a reliable native performer for years to come.

Longstalk 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 longipes Nutt. - longstalk clover

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