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False Pennyroyal

Trichostema brachiatum

Last reviewed: June 2026

False Pennyroyal (Trichostema brachiatum)
Photo: Elias / Wikimedia Commons (CC BY 4.0)

Light

part sun

Water

low

Size

9"–24" H × 6"–12" W

Bloom

Jun, Jul, Aug, Sep, Oct, Nov

Native to

AL, AR, AZ, CT and 27 more states

Pollinators

bees

False Pennyroyal is a compact annual wildflower with small, aromatic leaves and tiny blue to purple flowers that bloom from summer through late fall. This low-growing native forms neat mounds and provides extended color in the garden with minimal water requirements.

In an HOA neighborhood

False Pennyroyal is an HOA-friendly choice in the right placement. Maintenance level: moderate. Tidiness: 2 out of 5.

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

  • Requires seasonal replanting
  • May have messy dieback

Wildlife value

This plant is particularly valuable for native bees and other small pollinators during its long blooming season from June through November.

Common questions

How much sun does False Pennyroyal need?
False Pennyroyal grows best in part sun conditions.
When does False Pennyroyal bloom?
False Pennyroyal blooms in June, July, August, September, October, and November.
Where is False Pennyroyal native?
False Pennyroyal (Trichostema brachiatum) is native to AL, AR, AZ, CT and 27 more states, per the USDA PLANTS Database and regional native plant society lists.
What pollinators does False Pennyroyal attract?
False Pennyroyal draws bees.
Is False Pennyroyal HOA-friendly?
False Pennyroyal is generally an HOA-friendly choice in the right placement, with moderate 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.

Does False Pennyroyal fit your yard? Open it in Pollinator Patch to check it against your sun, soil, and HOA-conscious filters.