Is Hummingbird Mint Invasive? No, Here's Why

By Michael Chen · January 23, 2026

Is Hummingbird Mint Invasive? Direct Answer

No, hummingbird mint (Agastache cana or Agastache rupestris) is not considered invasive. It is a well-behaved perennial plant native to North America that attracts pollinators without spreading aggressively.

Understanding Hummingbird Mint

Hummingbird mint, also known as giant hyssop or fragrant hyssop, belongs to the Agastache genus in the Lamiaceae (mint) family. Despite being part of the mint family—many members of which are notoriously invasive—hummingbird mint does not exhibit aggressive spreading behavior.

Common Species of Hummingbird Mint

Agastache cana – Native to New Mexico and Texas, known for its pink to purple flowers and anise-scented foliage.
Agastache rupestris – Also called licorice mint, features orange-pink blooms and thrives in dry, rocky soils.
Agastache foeniculum – Anise hyssop, often confused with hummingbird mint; similarly non-invasive and pollinator-friendly.

Why People Worry About Invasiveness

Because it's a member of the mint family, gardeners often assume hummingbird mint spreads rapidly via underground runners (rhizomes), like Mentha species. However, this assumption is incorrect for Agastache.

Key Differences Between True Mints and Agastache

Spreading mechanism: Most mints spread via aggressive rhizomes; Agastache grows in clumps and does not run.
Garden behavior: Mints require containment; hummingbird mint stays where planted.
Control needs: No need for root barriers with hummingbird mint.

Growth Habits and Environmental Impact

Hummingbird mint is a long-lived perennial in USDA zones 5–9. It self-seeds modestly under ideal conditions but rarely becomes weedy. Seedlings are easy to remove if unwanted.

Plant Species	Native Range	Spreads by Rhizomes?	Self-Seeding Tendency	Invasive Status (U.S.)
Agastache cana	Southwestern U.S.	No	Low	Non-invasive
Agastache rupestris	Rocky Mountains, U.S.	No	Low	Non-invasive
Mentha spicata (Spearmint)	Eurasia	Yes	Moderate	Invasive in multiple states
Monarda didyma (Bee Balm)	Eastern U.S.	Yes	Moderate	Locally aggressive

Table data source:1, 2

The data confirms that Agastache species do not spread via rhizomes and have low self-seeding rates compared to other Lamiaceae plants. None are listed as invasive by the USDA or state-level noxious weed boards.

Benefits of Growing Hummingbird Mint

This plant offers exceptional ecological value:

Attracts hummingbirds, bees, and butterflies.
Drought-tolerant once established.
Deer and rabbit resistant.
Edible flowers and leaves (mild anise flavor).
Long blooming season from summer to fall.

Care Tips for Healthy, Non-Invasive Growth

Soil and Sun Requirements

Grow in full sun (6+ hours daily) with well-drained soil. Avoid heavy clay or overly rich soils, which reduce flowering and increase floppiness.

Watering and Maintenance

Water deeply but infrequently.
Apply light mulch to retain moisture without smothering crowns.
Deadhead spent blooms to encourage repeat flowering.
Divide clumps every 3–4 years to maintain vigor.

Frequently Asked Questions About Hummingbird Mint

Is hummingbird mint the same as bee balm?

No, hummingbird mint refers to Agastache species, while bee balm is Monarda. Both attract pollinators but differ in growth habit—Monarda spreads more aggressively.

Can I grow hummingbird mint in containers?

Yes, it thrives in pots with good drainage. Use a mix of potting soil and perlite or sand. Container growing prevents any minor self-seeding.

Does hummingbird mint spread in gardens?

It may self-seed slightly in optimal conditions, but seedlings are sparse and easily managed. It does not spread via roots.

Is hummingbird mint safe for pets?

Yes, Agastache species are non-toxic to dogs, cats, and horses. They are safe for pet-friendly landscapes.

What plants pair well with hummingbird mint?

Excellent companions include coneflowers (Echinacea), black-eyed Susans (Rudbeckia), ornamental grasses, and salvias. These share similar sun and soil needs.