Description
Helvola Pygmy Water Lily (Nymphaea ‘Helvola’)
Care
Care Level: Easy
Lighting: Medium to High
CO₂: Not required
Placement: Floating
Growth Rate: Moderate
Temperature: 65–85°F (growth); cold hardy to USDA Zones 4–11
pH: 6.0–8.0
GH: 4–18
KH: 3–12
Light Requirements: Stronger light increases flowering frequency and compact growth
CO₂ Requirements: Not required; no significant impact in outdoor pond conditions
Nutrient Requirements: Root feeder
Size and Growth Form
Dwarf hardy water lily with a compact spread of 12–24 inches; produces small round pads and bright yellow flowers ideal for container ponds and small water features
Why Aquarists Buy This Plant
Perfect for small ponds and patio containers; reliable bloomer with manageable size
Aquascaping Use
Best suited for mini ponds, whiskey barrels, and small water garden spaces
Species Background
Nymphaea ‘Helvola’ is a classic European hybrid hardy water lily developed for small-scale water gardening. It originates from cold-tolerant Nymphaea species and thrives in temperate climates, returning each season from its rhizome. Its compact growth and consistent yellow blooms make it one of the most widely used dwarf pond lilies in container water gardening.
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