Hoary Mountain Mint
Pycnanthemum incanum
Hoary Mountain Mint is a perennial for mid-border, suited to full sun to partial shade and clay or loam, flowering Jul, Aug, Sep.
| Type | Perennial |
|---|---|
| Mature height | 90 cm |
| Spread | 75 cm |
| Aspect | full sun to partial shade |
| Foliage | Deciduous |
| Hardiness | USDA 4a-8b |
| Pollinator-friendly | Yes |
| Pet-safe | Not confirmed |
Where to use it in a border
At around 90 cm, it sits best through the middle of a border, between taller structure behind and edging in front. Give it about 75 cm of room to spread. It is hardy across USDA zones 4a to 8b, so check it suits your area before planting.
It appears in our lists of full sun, clay soil, pollinator-friendly plants.
Border Builder uses Hoary Mountain Mint's height, spread, soil, bloom months and companions to place it in a full border plan for your own conditions, on iPhone and iPad.
Flowering through the year
Worth knowing
- Its flowers are valued by bees and other pollinators.
Good companions
Plants that share its conditions and style, chosen to complement its place in the border:
- Allegheny Monkeyflowerto edge in front
- American Spikenardfor height behind it
- Aromatic Asterto edge in front
- Betonyto edge in front
- Bird's-foot Trefoilto edge in front
- Blanket Flower 'Arizona Sun'to edge in front
Garden styles
Sources
Bloom timing and hardiness drawn from: