Osmunda regalis · Osmundaceae

Royal Fern

⚠️ Not safe for petsGrows actively in spring and summer, entering dormancy in autumn and winter.60 to 120 cm

LightShade, tolerates partial shade

WaterMedium, slightly moist soil

DifficultyMedium

ColdResistant to temperatures down to -5 degrees Celsius.

Shade, tolerates partial shadeMedium, slightly moist soilMediumResistant to temperatures down to -5 degrees Celsius.

Description & origin

The Royal Fern is a lush and elegant foliage plant. It is often found in moist, shaded areas, making it an excellent choice for shade gardens.

Size

Can reach heights of 1 to 1.5 meters depending on conditions.

Foliage

Leaves are large, with a delicate texture and vibrant green color.

Flowering

Not known for flowering, but for its ornamental foliage.

Detailed care

Light

Prefers shade or partial shade, avoiding direct sunlight.

Soil

Rich, well-drained soil with slight acidity.

Watering

Medium watering, keeping the soil slightly moist but not waterlogged.

Temperature

Prefers mild temperatures between 15 and 25 degrees Celsius.

Fertilising

Fertilize every 4-6 weeks during spring and summer with a balanced fertilizer.

Repotting

Transplant every 2-3 years, preferably in spring.

Pruning

Remove dry or damaged leaves to promote healthy growth.

Propagation

Can be propagated by dividing clumps in spring.

Common problems

Yellowing leaves

May indicate overwatering or lack of nutrients.

Pests

May be affected by aphids or scale insects, which should be treated with appropriate insecticides.

Fungi

In very humid conditions, may develop fungi, requiring adequate ventilation.

Uses & curiosities

In the garden

Ideal for shade gardens
Can be used in borders
Excellent in pots or planters

Other uses

Used in landscaping to create natural environments.

Did you know…

This plant is one of the largest ferns in the world, reaching heights of up to 1.5 meters. It is also a very ancient plant, with fossils dating back millions of years.