Ancestors of Royal fern are in the fossil record up to 365 million years ago, they are tall and stately, and can live up to 100 years old. All of this, at least in our estimation, earns the title Royal Fern!
Royal Fern is considered an obligate wetland plant. It can grow in a wide range of sun and shade, but it must be wet. It is often found growing in the same place as Sensitive Fern, Ostrich Fern, and Cinnamon Fern.
The fronds are twice compound and leaflets are made up of 7-10 alternating pinnae on each side of the stem. The pinnae are oblong in shape and usually have smooth edges. Leaf color can be variable from brown to red to green.
Reproductive fronds are separate from the sterile fronds. The spores mature in sporangia and are released later in the season.
Royal Fern (Osmunda regalis)
Michigan Flora reference page for state distribution: Royal Fern
height: up to 5 feet
soil: wet, rich
sun: full, partial, shade
plant spacing: 2’
life cycle: perennial
family: Osmundaceae
spore source: Michigan
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Ancestors of Royal fern are in the fossil record up to 365 million years ago, they are tall and stately, and can live up to 100 years old. All of this, at least in our estimation, earns the title Royal Fern!
Royal Fern is considered an obligate wetland plant. It can grow in a wide range of sun and shade, but it must be wet. It is often found growing in the same place as Sensitive Fern, Ostrich Fern, and Cinnamon Fern.
The fronds are twice compound and leaflets are made up of 7-10 alternating pinnae on each side of the stem. The pinnae are oblong in shape and usually have smooth edges. Leaf color can be variable from brown to red to green.
Reproductive fronds are separate from the sterile fronds. The spores mature in sporangia and are released later in the season.
Royal Fern (Osmunda regalis)
Michigan Flora reference page for state distribution: Royal Fern
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