Description
Water Snowball – Gymnocoronis spilanthoides (Aquatic Snowball Plant)
Water Snowball (Gymnocoronis spilanthoides) is a fast-growing, eye-catching aquatic plant known for its bright green foliage and unique white, spherical “snowball” flowers. These fluffy blooms create a striking contrast against the plant’s lush leaves, making it a standout feature in ponds, water gardens, and bog landscapes.
This versatile plant can grow as a marginal or emergent species, thriving in shallow water or saturated soil. Its rapid growth helps absorb excess nutrients, improving water quality while providing natural cover for fish and wildlife. Water Snowball is an excellent choice for pond owners looking for both beauty and functionality.
🌿 Care Instructions
Lighting:
Full sun to partial shade. Best flowering and growth occur in full sun.
Water Conditions:
Prefers shallow water or consistently moist soil. Ideal for pond margins and bog gardens.
Temperature & Hardiness:
USDA Hardiness Zones 7–11 (may require protection in colder climates).
Growth Rate:
Fast-growing and spreading.
Fertilization:
Generally not required in nutrient-rich ponds, but can benefit from aquatic fertilizer.
Maintenance Tips:
- Trim regularly to control growth and shape
- Remove excess growth to prevent overcrowding
- Monitor spread, as it can grow vigorously
🌱 Planting Instructions
- Plant in 0–6 inches of water or wet soil
- Use aquatic baskets to manage spread
- Space plants 12–24 inches apart
- Place in sunny locations for best flowering
- Keep growth trimmed for optimal appearance
📏 Size & Growth
- Height: 24–48 inches tall
- Spread: 18–36 inches wide (can spread further)
- Produces small white spherical blooms resembling snowballs
🌟 Why Choose Water Snowball from Quinn’s Fins?
- Unique white “snowball” flowers
- Fast-growing and excellent for nutrient absorption
- Ideal for ponds, bog gardens, and water features
- Provides natural cover for fish and wildlife
- Carefully selected and shipped for healthy growth





