Image of Pycnanthemum virginianum
Source: OWSL
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Pycnanthemum virginianum
Virginia Mountain-mint
Pycnanthème de Virginie
No seeds available for this plant.

We are not accepting seeds for this plant at the moment.

Bloom Colour: White Bloom Period: Jun - Sep
Max Height: 3.0 feet
Max Width: 1.5 feet (spreads by rhizome)
Light Condition:
Full sun More than 6 hours of direct sun a day
Part shade More than 2 or 3 hours but less than 6 hours of direct sun a day
Soil conditions:
Moisture medium Tolerates medium soil condition
Lifespan: Perennial plants that will that come back year after year
Gardener Experience:
plant spread by rhizome Spreads by rhizome
plant self seeding Self-seeding
Landscape Uses:
wetland garden Suitable for wetland garden
container suitable Suitable for container garden
school garden Suitable for school gardens
boulevard garden tolerant Tolerates boulevard garden conditions
Ecological Benefits: No ecological benefits information available.
Tolerates:
Salt Tolerant Tolerates salt conditions
Deer Resistant Deer resistant
Rabbit Resistant Rabbit resistant
Limestone Tolerant Tolerates limestone conditions
Transplantation Tolerant Tolerates transplantation
Special Features and Considerations:

Plant Location

Native to Ottawa region: Yes

Distribution according to VASCAN

Distribution: Pycnanthemum virginianum
Ephemeral Native Introduced Excluded Extirpated Doubtful Absent

Thrives in Ecozones

  • Mixed Wood Plains

Ecological Benefits

Butterflies Supported by Pycnanthemum virginianum

No butterfly data available for this plant.

Specialized Bees Supported by Pycnanthemum virginianum

No bee data available for this plant.

Plants that grow in similar conditions, that bloom at the same time.

Complementary Plants

  • No complementary plants found.

Substitute For Non-Native Plants

  • Lamium (Dead nettle)
  • Ajuga reptans (Bugleweed)
  • Salvia (Non-Native Sage)
  • Lamium galeobdolon (Yellow Archangel)
  • Leucanthemum (Shasta Daisy)
  • Gerbera (Gerbera Daisy)
  • Hesperis matronalis (Dame Rocket)
  • Mentha (Non-Native Mints)
  • Monarda (Beebalm Cultivars)

Sowing Information

Download Seed Envelope Labels (PDF)
  • Sowing depth: Surface sow
  • Sow anytime
  • Stratification duration: 0 days
  • Self-seeding
  • Notes: Can be surface sown in late spring in warm soil.

Harvesting and Seed Sharing

  • Harvest start month: September
  • Harvesting indicator:
    • Pods are brown and crisp and starting to open
    • Seeds are dark and tiny stem attaching to the main stem is brown
    • Seeds easily fall off pod when shaken
    • Little stem connecting the pod to the main stem is brown (not green)
  • Harvesting:
    • Put pods in food processor or blender and blend seeds, and strain seeds using a strainer
  • Seed viability test:
    • No test needed before donating
  • Packaging measure: 1 rounded 1/8 teaspoon
  • Seed storage:
    • Air dry in paper bag or open container, for a few days until crisp
    • Shake seeds to move them once in a while to prevent molding
  • Cultivar: No, you can donate without knowing the source as there are only straight species
  • Remove non-seed material
  • No harvesting video available at this time.

Toxicity Notes

Not known to be toxic to mammals if ingested.