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Madwort

Asperugo procumbens

Last reviewed: June 2026

Madwort (Asperugo procumbens)
Photo: Robert Flogaus-Faust / Wikimedia Commons (CC BY 4.0)

Light

part shade

Water

medium

Size

4"–12" H × 8"–16" W

Bloom

Apr, May, Jun, Jul, Aug

Native to

CO

Browse plants for this ecoregion

Madwort is a low-growing annual forb that forms spreading mats 4-12 inches tall. It produces small flowers from spring through late summer and prefers partial shade with moderate water needs. This plant has a somewhat sprawling, informal growth habit.

In an HOA neighborhood

Madwort 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.

  • Sprawling growth habit appears weedy
  • Annual nature creates seasonal gaps
  • Common name 'madwort' suggests weedy characteristics

Wildlife value

Limited wildlife value information is available for this species. As an annual forb with extended bloom period, it may provide some nectar resources for small pollinators.

Common questions

How much sun does Madwort need?
Madwort grows best in part shade conditions.
When does Madwort bloom?
Madwort blooms in April, May, June, July, and August.
Where is Madwort native?
Madwort (Asperugo procumbens) is native to CO, per the USDA PLANTS Database and regional native plant society lists.
Is Madwort HOA-friendly?
Madwort 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 Madwort? 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