Moist Sun Partial Shade

Pycnanthemum

Pycnanthemum spp.

Full Sun
High Water

Special Features

Deer-Resistant Native Aromatic Pollinator-Friendly

Known for its aromatic foliage and clusters of white flowers, attracting a variety of pollinators.

Plant Specifications

Bloom Time July to September
Hardiness Zone 4-8
Mature Height 2-3 feet
Mature Width 2-3 feet
Growth Rate Moderate
Maintenance Level Low
Soil
Well drained Moist
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Growing Pycnanthemum on Martha's Vineyard

Pycnanthemum muticum, the clustered mountain mint, is a native perennial of exceptional value for Martha's Vineyard's sunny, well-drained borders and meadow gardens, prized both for its outstanding ornamental quality and its extraordinary importance as a pollinator resource during the peak summer months. Its silver-bracted flower clusters from July through September attract an almost unparalleled diversity of native bees, making it a signature plant in ecologically informed landscape designs across the island. It thrives in the full-sun, dry-to-average, sandy soils widespread on the Vineyard and spreads moderately to form a substantial clump over time.

Deer resistance is reliable, consistent with the strong aromatic character of all mountain mints. Estate Care professionals specify it regularly in pollinator garden programs and naturalistic border designs on island properties where ecological function and ornamental appeal are equally weighted.

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