trefle.io · Taken May 20, 2021 by Pamela Pinkston (cc-by-sa)
Lycopodiaceae
Northern fir-moss
Huperzia selago
Also known as Urostachys apolinar-mariae, Lycopodium selago f. patens, Lycopodium abietiforme, Huperzia dixitiana
Native Plants · Clubmoss · Fir Moss · Alpine · Boreal · Woodland · Shade · Primitive Plant · Specialist · Rock Garden · Lycopod
Northern fir-moss is a slow-growing, primitive clubmoss native to cool, moist alpine and boreal habitats, making it a specialist plant for experienced growers. It requires consistently humid, cool conditions with indirect light and acidic, well-drained but moisture-retentive soil — replicating its natural woodland or rock garden environment. Not suited for warm indoor settings; best grown outdoors in rock gardens or shaded woodland gardens in cooler climates.
Growing conditions
The details behind the basics
- Daily light
- 3 hours
- Watering
- Keep soil consistently moist; mist foliage regularly to maintain humidity · Every 5-7 days
- Maintenance
- High
- Soil
- loam
- Soil pH
- 4–4.5
- Temperature
- -25°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 4 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alaska, Albania, Alberta, Altay, Austria, Baltic States, Belarus, Belgium, British Columbia, Bulgaria, Buryatiya, Central European Rus, Chita, Connecticut, Czechoslovakia, Denmark, East European Russia, Finland, France, FøRoyar
Sources: trefle
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