📷 Wikimedia Commons · CC BY-SA 4.0
perennial
Osmunda Royal Fern
Osmunda regalis
Osmunda Royal Fern is a striking perennial fern known for its large, lacy fronds and regal appearance. It thrives in moist, shaded environments and adds a lush, tropical feel to garden landscapes.
USDA Zones
4–9
Height
2 ft–5 ft at maturity
Pet Safe†🐕 Dog-Friendly🐈 Cat-Friendly
Garden🐝 Attracts Pollinators
† "Dog-Friendly" / "Cat-Friendly" means this plant is not listed as toxic by common horticultural references. It is not a guarantee of safety for all animals in all circumstances. If your pet ingests any plant, contact your vet or the ASPCA Animal Poison Control Center: (888) 426-4435.
Affiliate Disclosure: PlantWise earns a small commission when you purchase through these links, at no extra cost to you. Links are selected for relevance — not commission rates. Full disclosure
Purchase from trusted nurseries:
Sun Requirements
Part Shade
2–4 hours of direct sunlight daily
Soil Type
well-drained, loamy
Care Requirements
Water Needsmedium
Maintenancelow
EvergreenNo
Complete Care Guide
### Care Guide for Osmunda Royal Fern
Osmunda Royal Fern is a low-maintenance perennial that prefers part shade to full shade environments with consistently moist, well-drained soil. It thrives in USDA zones 4 through 9, making it suitable for a wide range of climates. This fern does not produce flowers but is valued for its large, ornamental fronds that can reach up to 5 feet tall. To keep the plant healthy, ensure it is planted in rich, loamy soil that retains moisture without becoming waterlogged. Regular watering is essential, especially during dry spells, to maintain the lush foliage. Fertilize sparingly in early spring with a balanced, slow-release fertilizer to promote vigorous growth. Osmunda Royal Fern is generally resistant to pests but can occasionally be damaged by deer and rabbits. It is safe for pets and adds an attractive, natural texture to shaded garden areas. Avoid exposing the fern to direct, harsh sunlight, which can scorch the fronds. In colder climates, mulch around the base in late fall to protect roots during winter. Overall, this fern is an excellent choice for gardeners seeking a graceful, shade-loving perennial with minimal upkeep.