Osmunda regalis
TAXONOMY
FamilyOsmundaceae
GenusOsmunda
Zone4
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Plants of the World OnlineABOUT
Osmunda regalis, commonly known as the royal fern, is a large, deciduous fern native to Europe, Africa, and Asia. It thrives in temperate climates and is often found in wetlands, along streams, and in moist woodlands. The plant has a rhizomatous growth habit and can form large clumps over time. It undergoes a dormancy period during the winter months.
ALSO KNOWN AS
Polypodium Acutum
Royal Fern
Aphyllocalpa regalis
Osmunda brayeri
Osmunda leschenaultii
Osmunda longifolia
Osmunda plumieri
Osmunda regalis var. brevifolia
Osmunda regalis var. capensis
Osmunda regalis var. longifolia
Osmunda regalis var. obtusifolia
Osmunda spectabilis var. palustris
Osmunda spicata
Struthiopteris regalis
OVERVIEW
VPDCalculate
WaterVery Wet
SoilLoamy
LightIndirect Bright (6 Hours)
Temperature18° C
Humidity70%
Dormancy3 Months
pH5.5
Pressure1,013 mbar
DETAILS
Care Instructions
Royal ferns prefer bright, indirect light and moderate temperatures. They thrive in high humidity and require consistently moist soil. Avoid letting the soil dry out completely. These ferns are best suited for outdoor environments where they can receive ample moisture and light.Soil
Osmunda regalis prefers loamy soil that is rich in organic matter. The soil should be well-draining yet consistently moist. Adding compost or leaf mold can help improve soil structure and moisture retention.Fertilizer
Royal ferns generally do not require regular fertilization. If desired, a balanced, slow-release fertilizer can be applied in the spring to support new growth. Avoid over-fertilizing, as this can harm the plant.Repotting
Repotting is not typically necessary for royal ferns, as they are best grown in the ground. However, if grown in containers, repotting can be done in the spring when the plant shows new growth. Use a rich, loamy soil mix and ensure the container has good drainage.Propagation
Royal ferns can be propagated by division in the spring or fall. Carefully dig up the plant and separate the rhizomes, ensuring each division has several fronds and roots. Replant the divisions in a suitable location with moist, loamy soil.Pruning
Pruning is not required for royal ferns. However, removing dead or damaged fronds can help maintain the plant's appearance and health. This can be done in late winter or early spring before new growth begins.Toxicity
Osmunda regalis is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens and landscapes where pets and children may be present.Additional
Royal ferns are excellent choices for naturalizing in wet, shaded areas of the garden. They can also be used in rain gardens or along the edges of ponds and streams. Providing a consistently moist environment is key to their success.REVOLUTIONIZE YOUR PLANT CARE
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