Apiaceae
Perideridia gairdneri subsp. borealis
Perideridia gairdneri subsp. borealis
Also known as Carum montanum, Perideridia gairdneri var. montana, Perideridia montana, Atenia montana
Flowering Plants · Edibles & Herbs · Native Plants · Native Plant · Yampah · Ethnobotanical · Edible Root · Western North America · Apiaceae · Perideridia · Meadow Wildflower · Rare · Indigenous Plant
Gairdner's yampah (northern subspecies) is a native perennial of western North America, historically valued by Indigenous peoples for its edible tuberous roots. It grows best in moist, partially shaded meadow or open woodland settings and requires careful replication of its natural habitat to thrive in cultivation. This is a specialist plant rarely found in commercial nurseries and is best suited for native plant restoration or ethnobotanical gardens.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately to maintain consistent soil moisture during the growing season; allow to dry slightly between waterings · Every 7-14 days
- Maintenance
- Moderate
- Soil
- loam
- Soil pH
- 6–7.5
- Temperature
- -40°F to 95°F
- Cycle
- Perennial
Hardiness
USDA 3a-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 4 ft
- Spread
- 3 ft
- Spacing
- 10 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Yes
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Native to
- Alberta, British Columbia, California, Colorado, Idaho, Montana, Nevada, Oregon, Saskatchewan, South Dakota, Utah, Washington, Wyoming
- Attracts
- Bees, Butterflies, Moths
Sources: trefle, usda
More Perideridia
Related plants from the same genus
Perideridia parishii subsp. latifolia
Perideridia parishii subsp. latifolia
Partial Sun · Moderate · Moderate
Perideridia gairdneri subsp. gairdneri
Perideridia gairdneri subsp. gairdneri
Partial Sun · Moderate · Moderate
Perideridia parishii subsp. parishii
Perideridia parishii subsp. parishii
Partial Sun · Moderate · Moderate
False caraway
Perideridia gairdneri
Partial Sun · Moderate · Moderate
Buy this plant
No nurseries currently list it
No nursery lists Perideridia gairdneri subsp. borealis right now.