Polypodium vulgare (Common Polypody, Adder's Fern) — leathery, dark green, ladder-like fronds forming a slowly spreading mat. Evergreen, partial to full shade. Easily tolerates deep, heavy shade.
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Product features
Botanical name: Polypodium vulgare
Common name: Common Polypody, Adder's Fern
Height: 20cm – 30cm
Spread: 30cm – 60cm
Foliage: Leathery, dark green, ladder-like fronds
Flower: None, bright orange-yellow spore cases
Attractive to wildlife: Low, provides insect shelter
Soil Type: Well-drained, humus-rich, accepts poor gritty soils
Drought tolerant: Yes, excellent for dry shade
Hardy: Fully hardy, down to -20°C
Position: Partial to deep shade
Evergreen: Yes
Suitable for: Dry stone walls, rockeries, stumperies, woodland ground cover
Materials and care
Light: Partial or full shade — easily tolerates deep, heavy shade
Aspect: North-, east-, or west-facing, handles exposed or sheltered spots
Soil type: Loose, organic-rich soil, acidic to alkaline
Drainage: Well-drained, vital as it often grows on rocks and trees
Watering: Low to medium needs, survives dry shade once established
Fertiliser: None needed, light spring top-dressing sufficient
Propagation: Divide creeping rhizome sections during spring
