Narrowleaf Cowwheat
Melampyrum lineare
Last reviewed: June 2026
Light
part sun
Water
low
Size
6"–18" H × 3"–12" W
Bloom
Jun, Jul, Aug
Native to
CT, DE, GA, ID and 23 more states
Pollinators
bees, butterflies
Narrowleaf cowwheat is a slender annual wildflower that produces small white or pale yellow tubular blooms from June through August. This delicate native plant grows 6-18 inches tall with narrow leaves and has a graceful, understated appearance in partially shaded areas.
In an HOA neighborhood
Narrowleaf Cowwheat 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.
- Very delicate appearance may look like weeds to neighbors
- Annual nature means gaps when plants don't return
- Low profile can appear unkempt in formal settings
Wildlife value
The tubular flowers attract native bees and butterflies during the summer blooming period. As an annual native, it provides seasonal nectar resources for pollinators.
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.
Does Narrowleaf Cowwheat fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.