How much sun does Mohr's Thoroughwort need?

Mohr's Thoroughwort grows best in part sun conditions.

When does Mohr's Thoroughwort bloom?

Mohr's Thoroughwort blooms in July, August, September, and October.

Where is Mohr's Thoroughwort native?

Mohr's Thoroughwort (Eupatorium mohrii) is native to AL, FL, GA, LA and 5 more states, per the USDA PLANTS Database and regional native plant society lists.

What pollinators does Mohr's Thoroughwort attract?

Mohr's Thoroughwort draws bees, butterflies, and moths.

Is Mohr's Thoroughwort HOA-friendly?

Mohr's Thoroughwort is generally an HOA-friendly choice in the right placement, with low maintenance.

Mohr's Thoroughwort

Name: Pollinator Patch
Author: Pollinator Patch

Eupatorium mohrii

Last reviewed: June 2026

Light

part sun

Water

medium

Size

12"–36" H × 12"–24" W

Bloom

Jul, Aug, Sep, Oct

Native to

AL, FL, GA, LA and 5 more states

Pollinators

bees, butterflies, moths

Mohr's thoroughwort is a native perennial that forms neat clumps of medium-green foliage topped with clusters of small white flowers from summer through fall. This well-behaved wildflower maintains a tidy, compact growth habit and provides long-lasting seasonal interest without becoming aggressive or weedy.

In an HOA neighborhood

Mohr's Thoroughwort is an HOA-friendly choice. Maintenance level: low. Tidiness: 4 out of 5.

Works well in: front yard, foundation, street edge, mid zone.

Dies back completely in winter

Wildlife value

The abundant white flower clusters are magnets for native bees, butterflies, and moths throughout the extended blooming period. This plant is particularly valuable for late-season pollinators when many other flowers have finished blooming.

Common questions

How much sun does Mohr's Thoroughwort need?: Mohr's Thoroughwort grows best in part sun conditions.
When does Mohr's Thoroughwort bloom?: Mohr's Thoroughwort blooms in July, August, September, and October.
Where is Mohr's Thoroughwort native?: Mohr's Thoroughwort (Eupatorium mohrii) is native to AL, FL, GA, LA and 5 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does Mohr's Thoroughwort attract?: Mohr's Thoroughwort draws bees, butterflies, and moths.
Is Mohr's Thoroughwort HOA-friendly?: Mohr's Thoroughwort is generally an HOA-friendly choice in the right placement, with low maintenance.

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 Mohr's Thoroughwort? Add it to your garden in Pollinator Patch to track it and get season-by-season care guidance.

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