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Growing Inspiration
Inspiration for future Agardeni growing environments.
ornamentalFamily: AlismataceaeGenus: EchinodorusSpecies: osiris
Cultivar
Osiris Sword
Echinodorus osiris
The Osiris Sword is a popular, hardy aquatic perennial that develops large, showy leaves with a slight reddish-brown tint when young. As an adaptable rosetted plant, it thrives in a variety of aquarium conditions and serves as an excellent focal point for larger setups. It is a slow to moderate grower that benefits from nutrient-rich substrate and supplemental root feeding.
Echinodorus osiris, or Osiris Sword, is a robust and highly decorative aquarium plant prized for its broad, attractive foliage and relatively easy care. It is an ideal specimen plant for the mid-to-background areas of a freshwater tank.
Marketplace packs coming soon
Current nursery inventory and 18 / 36 / 72 pricing will appear here when available.
Cultivar Story
Start with Inspiration. Grow Your Aspiration.
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Marketplace Plant
A realistic representation of the starter plants offered in 18, 36, and 72 plant quantities.
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Aspirational Garden
Grow your aspirational plan into an inspirational garden.
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Plant Detail
A closer look at the fruit, flower, foliage, or mature defining characteristics of this cultivar.
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Repotting / Start Growing
Begin with a starter plant and establish it in a larger pot using quality potting soil with beneficials and fertilizer.
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Start · Plan · Grow
Start with real plants. Plan with current marketplace availability. Grow your aspirational garden.
Cultivar Video
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See this cultivar from starter plant to aspirational garden.
Plant Profile
Grow Osiris Sword with confidence
Key growing information first, with the complete reviewed cultivar profile available when you want it.
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Sun
Moderate to high light levels
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Water
Freshwater aquarium submerged conditions; keep water clean and well-circulated.
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Mature size
12-20 inches tall and 10-15 inches wide.
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Hardiness
N/A (Tropical aquarium plant)
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Growth habit
Rosette-forming, clumping perennial.
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Plant type
Aquatics
View Plant Data
Care, size, flowering, climate, soil, health, and additional reviewed data.
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View Plant Data
Care, size, flowering, climate, soil, health, and additional reviewed data.
Good to know
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Growing note
Best results are achieved with supplemental root tabs as this plant is a heavy root feeder. Provide adequate space for its mature spread to avoid overshadowing smaller plants.
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Climate note
Thrives in temperatures between 70°F and 82°F.
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Flower / fruit
Rarely flowers when fully submerged, but may produce tall stalks with small white flowers if grown emersed.
Growing & Care
Everyday care, growth, feeding, and pruning guidance.
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Growing & Care
Everyday care, growth, feeding, and pruning guidance.
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Sun / light
Moderate to high light levels
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Growth rate
Moderate.
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Fertilizer
Regular use of root tabs is highly recommended to support healthy leaf development and coloration.
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Pruning
Remove older or decaying outer leaves at the base of the crown to encourage new, vibrant growth.
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Care notes
Best results are achieved with supplemental root tabs as this plant is a heavy root feeder. Provide adequate space for its mature spread to avoid overshadowing smaller plants.
Size & Habit
How the plant grows and the space it needs at maturity.
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Size & Habit
How the plant grows and the space it needs at maturity.
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Mature size
12-20 inches tall and 10-15 inches wide.
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Growth habit
Rosette-forming, clumping perennial.
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Spacing
12-18 inches apart to allow for mature leaf spread.
Flower / Fruit
Flowering, fruiting, pollination, bloom, and harvest behavior.
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Flower / Fruit
Flowering, fruiting, pollination, bloom, and harvest behavior.
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Flowering / fruiting
Rarely flowers when fully submerged, but may produce tall stalks with small white flowers if grown emersed.
Climate & Hardiness
Cold, heat, chill, and regional growing considerations.
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Climate & Hardiness
Cold, heat, chill, and regional growing considerations.
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Hardiness zones
N/A (Tropical aquarium plant)
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Temperature
Thrives in temperatures between 70°F and 82°F.
Soil & Water
Moisture, drainage, soil, and pH preferences.
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Soil & Water
Moisture, drainage, soil, and pH preferences.
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Watering
Freshwater aquarium submerged conditions; keep water clean and well-circulated.
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Soil
Nutrient-rich aquarium substrate, preferably with added root tabs.
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Soil pH
6.0 - 7.5
More Plant Data
19 additional reviewed fields from this Plant.id.
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More Plant Data
19 additional reviewed fields from this Plant.id.
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Container Growing
Suitable for freshwater aquariums; plant directly into the aquarium substrate.
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Family
Alismataceae
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Foliage Look
Broad, vibrant green leaves with characteristic venation and subtle reddish-bronze tips.
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Foliage Rules
Leaves are broad and oval-lanceolate; expect reddish hues on emerging leaves which turn green as they age.
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Fruit Flower Look
Small, delicate white, three-petaled flowers on an elongated stalk.
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Fruit Flower Rules
Inflorescence consists of a long, thin stalk with whorled flowers; rarely observed in standard tank settings.
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Growth Habit Rules
Maintain a central crown structure; avoid burying the crown in substrate as it may cause rot.
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Mature Plant Look
Large, lush, upright rosette with thick, broad foliage dominating the aquarium scape.
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Mature Stage Morphology
Produces large, broad, slightly wavy leaves with a distinct midrib, forming a dense, elegant crown.
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Morphology Rules
Must show a clear, distinct basal rosette; do not depict as a stem plant.
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Plant Faqs
How big does an Osiris Sword get? It typically reaches 12 to 20 inches in height. Is this plant difficult to care for? No, it is considered a hardy species suitable for most aquarium hobbyists. Does this plant need fertilizer? Yes, it is a heavy root feeder and benefits significantly from root tabs.
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Root Look
Strong, extensive white or light-tan roots suitable for anchoring in substrate.
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Soil Look
Dark, fine-grained aquarium substrate or nutrient-rich planting medium.
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Starter Stage
Appears as a small, compact rosette with several juvenile leaves.
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Starter Stage Morphology
Young plants feature lanceolate leaves, often with thinner petioles than mature specimens.
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Video Voiceover Script
Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Osiris Sword. This is Osiris Sword, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let Osiris Sword become part of your aspirational plan, helping you imagine the vibrant aquatic environment you want to create. This impressive plant is best known for its broad, lush leaves that provide a striking focal point with their elegant shape and subtle bronze color. Simply establish your starter plug in a four-inch pot with a quality, well-draining aquatic mix before moving it to your final aquarium location. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.
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Youtube Tags
Echinodorus osiris Osiris Sword Aquarium Plants Freshwater Aquarium Aquascaping Sword Plant Agardeni Starter Plants Aquatic Gardening
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Youtube Video Summary
Discover the Osiris Sword, a hardy and attractive aquatic plant that brings structure and beauty to any freshwater aquarium. Learn how to establish this rosette-forming plant to create a stunning focal point in your tank.
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Youtube Video Title
Growing Echinodorus osiris - The Osiris Sword Aquarium Plant
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Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.