Broadleaf Chilensis (Sagittaria Platyphylla)

Broadleaf Chilensis Sagittaria

Broadleaf “Chilensis” Sagittaria (Sagittaria platyphylla), sometimes called Giant Sagittaria, is a low-growing rosette plant from North America and Southeast Asia. The “giant” name refers not to its height, but to its broader, thicker leaves compared to other Sagittaria species, which makes it stand out as a bold, grass-like accent in the foreground and lower midground of planted aquariums.

Broadleaf “Chilensis” Sagittaria Overview

In the aquarium, Broadleaf Sagittaria forms compact rosettes of strap-like leaves that are wider and more substantial than those of typical dwarf Sagittaria. Over time, it spreads by runners, forming a dense stand of plants that can range from a short “meadow” in the foreground to a low, flowing border in the midground.

In a planted aquarium, Broadleaf Chilensis Sagittaria is especially appreciated for:

• Broad, sturdy leaves with a “giant” look: The thicker, wider leaf blades give it a more substantial presence than fine grasses, adding variety and visual weight to the foreground and lower midground.
• Flexible placement: While excellent as a foreground carpeting plant in larger tanks, it also works beautifully in the midground as a low border or transition between short carpets and taller background plants.
• Natural, meadow-like effect: When allowed to spread by runners, it creates a lush, grassy field that looks particularly attractive around aquascaping rocks and driftwood, softening hardscape and tying the layout together.
• Benefits for fish and invertebrates: The dense stands of leaves provide shelter and foraging areas for shrimp, fry, and small fish, and offer line-of-sight breaks that help reduce stress for shy species.

Broadleaf Sagittaria pairs nicely with carpeting plants (like Monte Carlo or Chain Swords) in the very front, and taller background species such as vallisneria, Cryptocorynes, or swords behind it. Planted around Seiryu Stone, Japanese Ohko Dragon Rock or driftwood (such as Saba Wood or Blackwood), it can create a natural riverbank or shoreline look.

Disclaimer: Due to local restrictions, this plant does not ship to Washington.

Caring for Broadleaf “Chilensis” Sagittaria

Broadleaf Sagittaria is easy to care for and adapts well to most community aquarium setups, but it really shines when provided with moderate or better lighting and a nutrient-rich environment. Under good conditions, the plants stay relatively low and spread steadily via runners, gradually forming a thick stand across the foreground and into the lower midground.

A good substrate is important for this root-feeding plant. It does best in loosely packed, nutrient-rich substrates such as planted-tank soils, but will also perform well in sand or gravel when supplemented with root tabs. Regular fertilization helps maintain strong growth and deep green coloration, and iron supplementation (for example, with an iron-rich liquid fertilizer) can be especially helpful if you notice yellowing leaves or pale new growth.

You can plant Broadleaf Sagittaria in small groups in the foreground or midground, spacing rosettes a short distance apart so runners have room to spread. In the foreground, it can form a slightly taller “turf” in front of midground plants; in the midground, it makes an excellent low border in front of taller stems or background grasses. Over time, you can thin or reposition new plants as needed to keep pathways clear and maintain your desired layout.

CO₂ is not required, but in brighter, more advanced aquascapes, CO₂ supplementation will encourage faster, denser growth. Our Modern Aquarium 6-Piece Aquascaping Tool Set (9.9") makes planting and maintenance easier: straight tweezers help seat rosettes firmly in the substrate, while curved scissors are perfect for removing older or damaged leaves without disturbing the surrounding plants.

• Light: Moderate–Strong
• Temperature Range: 72–82°F
• Placement: Foreground–Midground
• CO₂: Not required (beneficial in high-energy setups)
• Difficulty: Easy
• Growth Rate: Moderate to fast under good conditions

With a bit of light, nutrients, and patience, Broadleaf Chilensis Sagittaria will reward you with a lush, grassy look that works equally well as a foreground “field” or a low midground border.

Shopping for Aquarium Plants at Modern Aquarium

At Modern Aquarium, each Broadleaf Chilensis Sagittaria plant is carefully inspected, cleaned, and prepared by hand before shipping so you receive healthy, vigorous specimens ready to root and spread in your aquarium.

• Top Quality Store & real reviews: Modern Aquarium has been designated by Google as a Top Quality Store and has thousands of individual verified reviews from real customers, so you can shop with confidence.
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• What You See Is What You Get: The images on our site are typical representations of the plants we sell—no unrealistic stock photos. Because live plants are natural products, individual specimens will vary in size, fullness, and exact leaf shape.
• Support when you need it: You can reach us through the chat feature on our website or simply give us a call—we’re happy to help!

To get the most from Broadleaf Chilensis Sagittaria, combine it with a nutrient-rich substrate or root tabs, a balanced fertilizer routine, and carefully chosen aquascaping rocks, driftwood, and botanicals to create depth and structure. Add in premium fish foods from Modern Aquarium and, if desired, helpful grazers like Tiger Eye Nerite Snails, and you’ll have a vibrant, natural-looking aquascape where both plants and fish thrive.