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Maryland Tick-Trefoil

Desmodium marilandicum

Last reviewed: June 2026

Maryland Tick-Trefoil (Desmodium marilandicum)
Photo: Annika Lindqvist / Wikimedia Commons (CC BY 4.0)

Light

part sun

Water

medium

Size

12"–36" H × 6"–18" W

Bloom

Jul, Aug, Sep

Native to

AL, AR, CT, FL and 20 more states

Pollinators

bees, butterflies

Maryland tick trefoil is a native wildflower with three-part leaves and small pink to purple flowers that bloom from July through September. This perennial produces distinctive triangular seed pods that can stick to clothing and fur, helping with seed dispersal.

In an HOA neighborhood

Maryland Tick-Trefoil takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

  • Seed pods stick to clothing and pets
  • Can appear weedy and informal
  • May self-seed aggressively

Wildlife value

The flowers attract native bees and butterflies during the late summer blooming period. Seeds provide food for birds and small mammals.

Common questions

How much sun does Maryland Tick-Trefoil need?
Maryland Tick-Trefoil grows best in part sun conditions.
When does Maryland Tick-Trefoil bloom?
Maryland Tick-Trefoil blooms in July, August, and September.
Where is Maryland Tick-Trefoil native?
Maryland Tick-Trefoil (Desmodium marilandicum) is native to AL, AR, CT, FL and 20 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Maryland Tick-Trefoil attract?
Maryland Tick-Trefoil draws bees and butterflies.
Is Maryland Tick-Trefoil HOA-friendly?
Maryland Tick-Trefoil takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Native range data from the USDA PLANTS Database and regional native plant society lists. Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

Ready to grow Maryland Tick-Trefoil? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

Not sure where to start? Take the 2-minute yard quiz