Osmunda - PictureThis

Osmunda

Some extant species of the osmunda have an interesting fossil record dating back as far as 250 million years. Many juvenile members of this genus have hairy brick-red fronds which turn smooth and green as they mature, giving a blooming, flowery aesthetic. They have an arching or erect habit.

Scientific classification

Genus

Osmunda (Osmunda)

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Perennial

Lifespan

Deciduous

Leaf type

Images of Osmunda

Species

Royal fern Asian royal fern

Quickly Identify Osmunda

Distinct dual frond system: green fronds for photosynthesis, brown fronds for spore production.

Central, thick rhizome: green fronds soft, brown fronds stiff, both lushly layered.

Large compound leaves: sterile green fronds up to 2 feet (60 cm), feathery red-brown fertile fronds.

Fibrous woody rhizome base: dark brown to black, 2-6 inches (5-15 cm) in diameter.

Fronds directly from rhizome: no stem, rough-textured, with roots, no branching pattern.

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Care Guide for Osmunda

Twice per week

Water

Partial sun

Sunlight

0 - 35 ℃

Ideal Temperature

Garden Soil

Soil Type

Water: Osmunda thrives in moist environments, requiring consistent moisture without excessive dampness or prolonged dryness. A twice-a-week watering schedule is recommended to maintain optimal hydration. As an outdoor fern in temperate regions, natural rainfall supports its growth, reducing supplemental watering needs.

Propagation: Propagation of osmunda involves spore sowing and division, requiring humidity, indirect sunlight, and organic-rich, well-draining soil. It’s moderately difficult, with attention needed for water quality and temperature. For division, separate roots in spring or fall, replant, and maintain high humidity and moisture until established.

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Learn More About Osmunda

How to Grow and Care

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