trefle.io · Taken Dec 23, 2009 by Tela Botanica − Sylvain PIRY (cc-by-sa)
Polypodiaceae
Intermediate polypody
Polypodium interjectum
Also known as Hybrid polypody, Polypodium interjectum, Polypody fern, Polypodium vulgare subsp. prionodes
Indoor Plants · Native Plants · Fern · Polypody · Shade Fern · Evergreen Fern · Woodland Garden · Rock Garden · Wall Fern · Hardy Fern · Low Maintenance · European Fern
Intermediate polypody is a hardy, evergreen fern native to western and central Europe, well suited to shaded rock gardens, walls, and woodland borders where many other plants struggle. It prefers a humus-rich, well-drained but moisture-retentive soil and dappled or deep shade, making it an ideal low-maintenance choice for dark garden corners. Water regularly during dry spells and remove old fronds in early spring to encourage fresh growth.
Growing conditions
The details behind the basics
- Daily light
- 3 hours
- Watering
- Water thoroughly then allow the top inch of soil to dry before watering again; reduce frequency in winter · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–7
- Temperature
- -20°F to 85°F
- Cycle
- Perennial
- Propagation
- Seed, Cutting
Hardiness
USDA 5a-10b
Form & growth
Mature size and habit
- Mature height
- 12 in – 3 ft
- Spread
- 2 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Austria, Baltic States, Belgium, Bulgaria, Central European Rus, Corse, Czechoslovakia, Denmark, France, Germany, Great Britain, Greece, Hungary, Iran, Ireland, Italy, Krym, Madeira, Netherlands, North Caucasus
Sources: trefle, usda
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