Gymnocoronis spilanthoides – Broad-Leaf Water Snowball Aquarium Plant

The Gymnocoronis spilanthoides, commonly known as the Water Snowball, is a fast-growing aquatic plant admired for its broad green leaves and strong stems. Native to Central and South America, this species makes an excellent background or pond plant, adding vibrant greenery and vertical height to aquariums or outdoor setups.

Underwater, Gymnocoronis spilanthoides develops tall, leafy stems that thrive in medium to high light. When grown emersed or in ponds, it produces attractive clusters of small, white, daisy-like flowers. Its rapid growth and lush texture make it a great choice for filling out large aquariums or creating dense, natural backgrounds.

🪴 Key Features:

• Hardy and fast-growing aquatic stem plant
• Broad green leaves with lush vertical growth
• Ideal for large aquariums and pond edges
• Can grow submerged or emersed
• Perfect background or filler plant for aquascapes

🌡️ Care Guidelines:

• Light: Medium to High
• Temperature: 70°–82°F
• pH: 6.5–7.5
• Placement: Background
• Growth Rate: Fast

💡 Pro Tip: Trim regularly to control size and encourage bushier growth. It can quickly reach the surface if left untrimmed, making it great for large tanks or open setups.

Frequently Asked Questions (FAQ):

Q: How tall does Gymnocoronis spilanthoides grow?
A: It can reach 12–20 inches underwater and even taller if grown emersed or in ponds.

Q: Does it require CO₂ or high-tech setups?
A: CO₂ is optional. It grows vigorously in medium light and benefits from nutrient-rich water.

Q: Can it be used in outdoor ponds?
A: Yes! It thrives in shallow pond margins and produces white flowers when grown emersed.

Q: Is it safe for shrimp and peaceful fish?
A: Completely safe for shrimp, snails, and community aquariums.

Q: How do I propagate Gymnocoronis spilanthoides?
A: Simply cut healthy stems and replant them—roots form easily at the nodes.