Pycnanthemum virginianum

Also called American Mountain Mint

Well-branched, upright habit
Terminal clusters of white two-lipped flowers
Narrow toothless mid-green leaves 6 cm long
Numerous white flowers
Foliage emits a spearmint fragrance when crushed
Most effective when planted in mass
Bloom Time: Late July to September

ZONE:
3

COLOUR:
White

HEIGHT:
60-90 cm

SPREAD:
50-60 cm

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Growing and Maintenance Tips:

Grows best in partial sun or shade in an average to moist, well-drained soil. Full sun tolerant when adequate moisture is provided. Naturally found near woodland edges or moist meadows. Naturalizes by seed and can be aggressive, less so in drier sites. To prevent excessive spreading, remove seed heads in early fall.

Additional Notes about Virginia Mountain Mint:

Native to Ontario

High-value native perennial. Larval host for several butterflies and moths, including the Wavy-Lined Emerald moth. The long-blooming flowers offer nectar for butterflies, moths, many species of bees, and other insects. In winter, the stalks and seed heads remain standing, providing cover and food for birds. The plant has a strong fragrance, deterring deer, rabbits, groundhogs etc, while attracting predatory insects, helping with natural pest control.