Osmunda Regalis

Osmunda Regalis Care

Osmunda Regalis

What is the plant

Osmunda regalis, commonly called royal fern, is a tall, deciduous, Missouri native fern which usually occurs on moist bluffs and ledges and along streams (sometimes growing in the water), primarily in the southeastern Ozark region of the State.

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Humidity

Normal

Lighting

Full Sun

Hardiness zone

3 - 9

Difficulty

Medium

Hibernation

Cold Period

How to Care for the Plant

Water
Royal ferns in the garden like consistently moist soil that is acidic and rich with organic matter; however, they are adaptable to lesser conditions as long as regular water is provided. Keep the soil moist.
Pruning
Remove dead or damaged fronds.
Fertilizer
Fertile moist well-drained soil - humus-rich

Disease diagnosis

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Soil
Will tolerate alkaline soils if fibrous compost is added.
Temperature
Plants are hardy to at least -20°c, they are evergreen in warm winter areas but deciduous elsewhere
Additional
Osmunda regalis has no toxic effects reported. Osmunda regalis, or royal fern, is a species of deciduous fern, native to Europe, Africa and Asia, growing in woodland bogs and on the banks of streams. The species is sometimes known as flowering fern due to the appearance of its fertile fronds.