Image coming soon
Growing Inspiration
Inspiration for future Agardeni growing environments.
Cultivar
Echinodorus barthii
Echinodorus barthii features broad, lance-shaped leaves that transition from a vibrant reddish-brown in juvenile growth to a deep, dark red or chocolate brown when mature. This aquatic perennial grows in a beautiful rosette habit, making it an excellent centerpiece for larger freshwater aquarium setups. Its bold coloration and sturdy structure provide a distinct contrast against green aquatic foliage.
Echinodorus barthii is a beautiful aquarium sword plant known for its striking deep red to dark bronze foliage. It serves as a prominent focal point in freshwater planted tanks.
Marketplace checkout
Choose a plant pack
Plant quality preference
Choose the plant quality you are willing to accept for this order.
Grade B never means diseased, pest-infested, dying, materially mislabeled, or otherwise unhealthy plant material.
18-plant pack · Ship
$57.79 total
1656 plants available · max 92 packs
Shipping & Delivery
Orders generally ship within 3–7 days after purchase. Agardeni gives priority to USPS Priority Mailfor standard live-plant shipments when practical.
USPS Priority Mail typically has a 2–3 day delivery objective after shipment, but delivery times are not guaranteed.
Weather & Temperature Risk
Agardeni ships from Florida and does not monitor destination temperatures nationwide. Customers are responsible for considering local weather conditions and retrieving packages promptly after delivery.
Agardeni is not responsible for plant damage caused by freezing temperatures, frost, excessive heat, or prolonged exposure to extreme temperatures at the destination.
Inspect live plants promptly after delivery. Eligible plant-condition claims must be submitted within 48 hours of confirmed delivery.
Secure Stripe checkout · current test/sandbox configuration remains unchanged
Cultivar Story
Image coming soon
Inspiration for future Agardeni growing environments.
Image coming soon
A realistic representation of the starter plants offered in 18, 36, and 72 plant quantities.
Image coming soon
Grow your aspirational plan into an inspirational garden.
Image coming soon
A closer look at the fruit, flower, foliage, or mature defining characteristics of this cultivar.
Image coming soon
Begin with a starter plant and establish it in a larger pot using quality potting soil with beneficials and fertilizer.
Image coming soon
Start with real plants. Plan with current marketplace availability. Grow your aspirational garden.
Cultivar Video
AgardeniCultivar Video Coming Soon
See this cultivar from starter plant to aspirational garden.
Plant Profile
Key growing information first, with the complete reviewed cultivar profile available when you want it.
Sun
Moderate to high light intensity is recommended to maintain the deep red coloration of the leaves.
Water
Thrives in tropical temperatures between 72-82 degrees Fahrenheit in established freshwater aquariums.
Mature size
Up to 12-20 inches tall and wide.
Hardiness
Tropical; typically grown as a submerged aquarium plant.
Growth habit
Rosette-forming aquatic perennial.
Plant type
Aquatic
Care, size, flowering, climate, soil, health, and additional reviewed data.
Good to know
Requires consistent nutrient-rich substrate or root tabs for optimal coloration and growth. It is a slow to moderate grower that benefits from supplemental CO2 but can adapt to lower-light setups.
Prefers tropical aquarium conditions; avoids cold water environments.
May produce tall flower stalks with white blooms if grown in paludarium or emergent conditions with sufficient light.
Everyday care, growth, feeding, and pruning guidance.
Sun / light
Moderate to high light intensity is recommended to maintain the deep red coloration of the leaves.
Growth rate
Moderate.
Fertilizer
Use iron-rich substrate fertilizers or root tabs specifically designed for aquatic plants to ensure deep leaf color.
Pruning
Trim old or decaying outer leaves at the base of the rosette to encourage healthy new growth from the center.
Care notes
Requires consistent nutrient-rich substrate or root tabs for optimal coloration and growth. It is a slow to moderate grower that benefits from supplemental CO2 but can adapt to lower-light setups.
How the plant grows and the space it needs at maturity.
Mature size
Up to 12-20 inches tall and wide.
Growth habit
Rosette-forming aquatic perennial.
Spacing
12-15 inches apart in the aquarium substrate to allow for proper light penetration and leaf expansion.
Flowering, fruiting, pollination, bloom, and harvest behavior.
Flowering / fruiting
May produce tall flower stalks with white blooms if grown in paludarium or emergent conditions with sufficient light.
Cold, heat, chill, and regional growing considerations.
Hardiness zones
Tropical; typically grown as a submerged aquarium plant.
Temperature
Prefers tropical aquarium conditions; avoids cold water environments.
Moisture, drainage, soil, and pH preferences.
Watering
Thrives in tropical temperatures between 72-82 degrees Fahrenheit in established freshwater aquariums.
Soil
Requires a nutrient-dense substrate, preferably with added root fertilizer tabs, as it is a heavy root feeder.
Soil pH
6.0-7.5
19 additional reviewed fields from this Plant.id.
Container Growing
Ideal for aquarium settings; ensure the crown of the plant is not buried too deeply in the substrate to prevent rot.
Family
Alismataceae
Foliage Look
Broad, dark bronze-red, lance-shaped leaves with wavy margins.
Foliage Rules
Leaves are broad and lanceolate; color deepens from reddish-translucent in youth to dark, solid burgundy-bronze in maturity.
Fruit Flower Look
Tall, upright stalks with delicate white, three-petaled flowers produced in emergent conditions.
Fruit Flower Rules
Flowers should not be expected on juvenile starter plants in fully submerged conditions.
Growth Habit Rules
Maintain a clear rosette center; do not allow foliage to become overly crowded or shaded by taller plants.
Mature Plant Look
A stately, dark-colored rosette that commands attention in an aquatic landscape.
Mature Stage Morphology
Dense, wide rosette with broad, wavy-edged leaves in deep bronze or mahogany tones.
Morphology Rules
Plant should appear as a singular clump of broad leaves radiating from a central crown; avoid multi-stemmed branching appearances.
Plant Faqs
Does Echinodorus barthii need CO2? While it grows best with CO2 injection, it can be kept in low-tech tanks with adequate root feeding. How large will this plant get? It typically reaches 12-20 inches in height, making it perfect for the midground or background of larger tanks. Why are the leaves losing their red color? A loss of color often indicates a need for more light or additional iron-based root fertilizers.
Root Look
Healthy white to light-tan fibrous root system.
Soil Look
Dark, fine-grained aquarium substrate or nutrient-rich aquatic potting mix.
Starter Stage
Young plants feature smaller, more delicate leaves with lighter red hues, typically rooted in nutrient-rich media.
Starter Stage Morphology
Small rosettes with 3-5 leaves, clear root systems, and flexible stems suitable for transplanting.
Video Voiceover Script
Welcome to Agardeni, where inspiration for gardening helps us imagine how and where we will grow Barth's Amazon Sword. This is Barth's Amazon Sword, available as 18, 36, and 72 plant starter trays through the Agardeni Marketplace. Let Barth's Amazon Sword become part of your aspirational plan, helping you imagine the future aquatic environment you want to create. Observe the broad, mahogany-toned leaves that provide a stunning and dramatic focal point within a lush freshwater display. Repot your starter plug into a four-inch pot with quality aquatic substrate to establish the plant before moving it to its final aquarium location. Find your inspiration with Agardeni. Explore real plants and real availability. Start. Plan. Grow.
Youtube Tags
Echinodorus barthii Barths Amazon Sword Aquarium Plants Aquatics Freshwater Plants Red Aquatic Plants Planted Tank Agardeni Starter Plant
Youtube Video Summary
Discover the beauty of Echinodorus barthii, a magnificent red-leafed sword plant for freshwater aquariums. This versatile plant brings a deep, bold aesthetic to any aquatic layout.
Youtube Video Title
Echinodorus barthii: Growing Barth's Amazon Sword
Coming Soon
Possible future seller options for 2.5-inch, 4-inch, and 1-gallon finished plants.