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Majestic broad fronds of the Royal Fern at a water's edgeFerns

Osmunda regalis

Royal Fern

royal fernmoisture-lovingnative fernlarge fernpond margin

The Royal Fern is the largest native fern in Europe and looks truly regal with its broad, elegantly arching, bipinnate fronds that can reach two metres tall. In summer, brown spore-bearing plumes appear at the tips of some fronds, giving the plant a flower-like appearance. In autumn, the foliage turns beautifully bronze to golden yellow.

Characteristics

Sun
Partial shade
Water
High
Height
100200 cm
Spread
80150 cm
Hardiness zone
39
Family
Osmundaceae
Evergreen
No
Wildlife value
ground-nesting birds, insects

Care guide

Plant in partial shade in wet to moist, acidic, humus-rich soil. Royal Fern grows best at pond margins, stream banks, and in boggy garden areas. Never allow the soil to dry out. The plant slowly builds a raised rootstock. Avoid calcareous soils.

Pruning tips

Remove old, dead fronds in early spring before new growth appears. The fern requires no further maintenance and can thrive for decades in the same spot.