How much sun does Narrowleaf Cowwheat need?

Narrowleaf Cowwheat grows best in part sun conditions.

When does Narrowleaf Cowwheat bloom?

Narrowleaf Cowwheat blooms in June, July, and August.

Where is Narrowleaf Cowwheat native?

Narrowleaf Cowwheat (Melampyrum lineare) is native to CT, DE, GA, ID and 23 more states, per the USDA PLANTS Database and regional native plant society lists.

What pollinators does Narrowleaf Cowwheat attract?

Narrowleaf Cowwheat draws bees and butterflies.

Is Narrowleaf Cowwheat HOA-friendly?

Narrowleaf Cowwheat takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Narrowleaf Cowwheat

Name: Pollinator Patch
Author: Pollinator Patch

Melampyrum lineare

Last reviewed: July 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.

Common questions

How much sun does Narrowleaf Cowwheat need?: Narrowleaf Cowwheat grows best in part sun conditions.
When does Narrowleaf Cowwheat bloom?: Narrowleaf Cowwheat blooms in June, July, and August.
Where is Narrowleaf Cowwheat native?: Narrowleaf Cowwheat (Melampyrum lineare) is native to CT, DE, GA, ID and 23 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Narrowleaf Cowwheat attract?: Narrowleaf Cowwheat draws bees and butterflies.
Is Narrowleaf Cowwheat HOA-friendly?: Narrowleaf Cowwheat 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 Narrowleaf Cowwheat? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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