How to Grow Pygmy Red Water Lily
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Pygmy Red Water Lily
Nymphaea 'Pygmaea Rubra'
flowerA miniature aquatic flowering plant featuring deep crimson-red blooms that emerge from lily pad foliage, ideal for small ponds and container water gardens. This tropical water lily reaches only 12-18 inches in diameter, making it perfect for space-constrained water gardening. It produces fragrant, star-shaped flowers that bloom throughout the growing season.
When should you plant Pygmy Red Water Lily in your zone?
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Example Pygmy Red Water Lily timeline · Pittsburgh, PA (Zone 6b)
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Plant Pygmy Red Water Lily
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Pygmy Red Water Lily blooms
Around May 17≈ 30 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Pygmy Red Water Lily dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 9-11; grown as an annual or in containers moved indoors in cooler zones
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Get my Pygmy Red Water Lily timeline →Growth Stages
Rhizome Establishment
7-14 daysDormant rhizome planted in aquatic soil; initial root and shoot development occurs underwater
Keep water temperature consistent; avoid disturbing planted rhizomes; ensure adequate light penetration
Vegetative Growth
2-3 weeksLily pads unfurl and expand; multiple leaves emerge and float on water surface; plant establishes rhizome system
Apply aquatic fertilizer tablets monthly; remove any damaged or decaying leaves; monitor water clarity
Bud Formation
1-2 weeksFlower buds develop among the foliage; tight, closed buds are visible above water surface
Continue fertilizing; ensure 6+ hours of direct sunlight daily; maintain water level consistency
Flowering
3-4 months (summer to early fall)Deep red star-shaped flowers open in morning and close at night; blooms are fragrant and emerge just above water
Deadhead spent flowers to encourage continuous blooming; maintain water quality; continue feeding
Dormancy (Zone 8 and colder)
3-4 months (winter)Growth slows; foliage dies back; rhizome enters rest period
Move container indoors to cool location (50-60°F); reduce watering; store in dormant state until spring
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Spray with strong water jet to dislodge; apply insecticidal soap safe for aquatic plants; introduce ladybugs
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Hand-pick adults and larvae; submerge foliage briefly to drown pests; use neem oil if available for aquatic use
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and
Maintain good water quality; remove affected leaves promptly; use Bacillus thuringiensis (Bt) if needed
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Hand-remove or introduce snail-eating fish like mosquito fish; avoid overfeeding fish that compete with lilies
Uses
Ornamental Culinary Garnish
CulinaryWhile not commonly eaten, the blooms can be used as elegant garnish for upscale dishes and beverages. Ensure lilies were grown without pesticides if used for food presentation. [source]
Traditional Herbal Medicine
MedicinalWater lily rhizomes and leaves are used in traditional Ayurvedic and Chinese medicine for cooling properties and treating skin conditions. Used to reduce inflammation and support digestive health. [source]
Fresh and Dried Floral Arrangements
CraftThe striking deep-red blooms are prized for fresh water arrangements and botanical art displays. Flowers can be pressed and dried for craft projects and decorative use. [source]
Aquatic Garden Focal Point
HouseholdThe pygmy red water lily is a centerpiece plant for container water gardens, small ponds, and decorative water features. Creates a living water feature that enhances outdoor spaces with minimal footprint. [source]
Pollinator and Wildlife Habitat
WildlifeAttracts bees, beetles, and other aquatic insects; provides shelter and breeding grounds for fish, frogs, and aquatic invertebrates. Supports biodiversity in small water ecosystems. [source]
This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.
Harvest Tips
Water lilies are ornamental flowers, not harvested for food. Deadhead spent flowers by cutting the stem below the water surface to promote continuous blooming. Cut fresh flowers in morning when they've just opened for floral arrangements; they typically last 3-4 days in water. Harvest seeds from seed pods after flowers fade if you wish to propagate from seed.
Fun Facts
- 🌱 Pygmy red water lilies were hybridized and stabilized primarily by aquatic plant breeders in the 20th century, making them among the most refined miniature water garden plants available.
- 🌱 Water lilies close at night and reopen in the morning—a behavior called nyctinasty, driven by temperature and light changes. The blooms are often sweetly fragrant in the morning.
- 🌱 Despite their delicate appearance, healthy water lily rhizomes can live and bloom for 20+ years in proper conditions, making them a long-term investment in a water garden.
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