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Cinnamon Fern

Osmunda cinnamomea

Dramatic architectural form and color makes a striking focal point near the edge of water features. Large 4-foot long fronds are blue-green in summer with new growth covered in white hairs. Fertile fronds are a contrasting cinnamon brown. Herbaceous.
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Your climate might be too cold for this plant:


Filtered sun

Water regularly to maintain wet or evenly moist soil - weekly or more.

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LoreThese ferns are commercially harvested for osmunda fiber, an important horticultural product used in growing orchids.
Average Size at MaturitySlow growing to 4 ft. tall, 3 ft. wide.
Bloom TimeSpring
Design IdeasThis great upstanding fern is exceptional form for wild gardens. Plant in masses under protective tree canopies and within woodland groves. A super choice for sideyards that need bold fillers. Such good form is also super valuable massed into modern gardens, particularly in the urban environment. May be added to shade borders for height or background and color. A stunning background for fountains and problem solver for acidic, light challenged gardens.
Deciduous/ EvergreenHerbaceous
Flower ColorBrown
Foliage ColorGreen
Garden StyleContemporary
Growth HabitErect
Growth RateSlow
Landscape UseBorder, Mass Planting, Very Wet Areas, Water Garden, Woodland Garden, Coastal Exposure
Light NeedsFiltered sun
Soil NeedsAll-Purpose Plant Food
Special FeatureDramatic Foliage Color, Extreme Cold Hardiness, Gift Plant, Naturalizes Well, North American Native Selection, Tolerates Acidic Soil, Tolerates Wet Soils
Water NeedsHigh
Watering NeedsWater regularly to maintain wet or evenly moist soil - weekly or more.
Companion PlantsLigularia (Ligularia); Lungwort (Pulmonaria); Hosta (Hosta); Soloman's Seal (Polygonatum); Bleeding Heart (Dicentra)

Follow a regular watering schedule during the first growing season to establish a deep, extensive root system. Feed frequently during growing season with a general purpose fertilizer. Cut back old fronds after new growth begins in spring.

This Plant's Growing Zones: 4-8

Your USDA Cold Hardiness Zone:

Your climate may be too cold for this plant