How to Grow Fragrant Water Lily

Wikimedia Commons

Fragrant Water Lily

Nymphaea 'Odorata Minor'

flower

A miniature cultivar of the fragrant water lily, producing delicate white flowers with a sweet fragrance and compact floating foliage. Ideal for small ponds, container water gardens, and aquatic displays. This hardy perennial thrives in still water environments with minimal maintenance.

When should you plant Fragrant Water Lily in your zone?

Get a personalized planting timeline — when to start seeds, transplant, and harvest — based on your USDA zone and local frost dates. Free to start.

Get my Fragrant Water Lily timeline →

Example Fragrant Water Lily timeline · Pittsburgh, PA (Zone 6b)

Plant Fragrant Water Lily
Around Apr 17

Near Pittsburgh's average last spring frost.
Tend & protect
Late spring–summer

Watering, feeding, and pest-watch reminders.
First Fragrant Water Lily blooms
Around May 17

≈ 30 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Fragrant Water Lily dates for your own zip code.

Growing Conditions

☀️

Sun: Full sun, 6-8 hours daily (more sun produces more abundant flowering)

💧

Water: Requires still water in a pond or container; water depth of 6-18 inches is ideal for 'Odorata Minor' (shallower than standard water lilies); maintain consistent water level; water should be relatively clean with minimal algae

📏

Spacing: 24 inches

📅

Days to maturity: 30-60 days to first flower after establishing in spring

🌱

Planting depth: Plant rhizome horizontally in soil-filled containers with the growing tip just at or slightly above soil surface; submerge container so water level reaches mid-pot initially, then gradually deepen

Soil

Type: Heavy loamy soil or aquatic planting medium with high clay content

pH: 6.5-7.5

Amendments:

Slow-release aquatic fertilizer tablets Aged compost (minimal organic matter to avoid water fouling) Pea gravel for weight and drainage Avoid peat moss and fresh manure

Growing Zones

Find your zone →

Zones 3-10; extremely cold hardy and can survive winter dormancy in northern climates

3a 3b 4a 4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a

Get my Fragrant Water Lily timeline →

Growth Stages

Dormancy/Spring Emergence

3-4 months (winter) or as water warms

Rhizome lies dormant underwater during winter; new shoots emerge in spring as water warms to 50-60°F

No active care needed during dormancy; ensure pond doesn't freeze solid if in cold zones; begin fertilizing once growth appears

Vegetative Growth

4-6 weeks

Young leaves unfurl and float on water surface; plant develops root system and rhizome

Apply aquatic fertilizer tablets monthly; monitor for algae competition; ensure adequate light; maintain stable water level

Bud Formation

2-3 weeks

Flower buds emerge on petioles (leaf stems) and rise toward the water surface

Continue monthly fertilization; ensure 6-8 hours of direct sun; protect from strong water currents or splashing

Flowering

June-September (varies by zone; shorter in cool climates)

Small white flowers (2-3 inches diameter) with yellow centers open on the water surface, typically opening in morning and closing by afternoon; fragrant blooms attract pollinators

Dead-head spent flowers to encourage more blooms throughout season; maintain water quality; continue fertilization every 2-4 weeks during bloom season

Senescence/Winter Dormancy

October-March

Foliage yellows and deteriorates as temperatures drop below 60°F; plant withdraws energy to rhizome; leaves sink and decay

Remove dead foliage to prevent water fouling; reduce or stop fertilization; move containers to deepest part of pond for winter protection in zones 3-5

Companion Planting

Plan your garden →

Plant with:

Pickerel rush (Pontederia) Iris (Louisiana or Japanese water iris) Cattails (Typha) Water hawthorn (Aponogeton distachyos) Floating heart (Nymphoides) Goldfish and koi (beneficial for mosquito control)

Avoid planting near:

Aggressive floating plants (water lettuce, water sprite) that shade the lily Fast-growing marginal plants that compete for nutrients Areas with water inlets/outlets creating strong currents Tall emergent plants that block 6+ hours of sunlight

Common Pests

Remove affected leaves; introduce fish (goldfish, koi) that consume larvae; use neem oil spray if severe (apply to air-exposed portions); avoid insecticides that harm aquatic life
Manually remove affected foliage; introduce beneficial predatory insects; maintain good water circulation; fish predation provides control
Usually harmless; predatory on mosquito larvae; only control if excessive skeletonization occurs by removing affected leaves
Spray with strong water stream to dislodge; use insecticidal soap designed for aquatic plants; introduce ladybugs or lacewings; fish will consume some aphids
and (Fusarium, Pythium)
Ensure adequate water circulation; avoid overfeeding with nitrogen; remove decaying foliage promptly; maintain water temperature 60-85°F; replace water regularly; isolate infected plants

Uses

🍳

Traditional herbal tea

Culinary

Nymphaea odorata has been used in traditional and folk medicine to make a mild herbal infusion from dried petals or rhizome. The tea was historically valued for its reported mild sedative and calming properties. [source]

🎨

Floral arrangements and pond décor

Craft

The delicate white flowers and pleasant fragrance make this lily an elegant addition to fresh flower arrangements, water gardens, and decorative pond displays. Floating flowers create naturalistic and serene aquatic landscapes. [source]

🦋

Habitat and pollinator support

Wildlife

Water lilies provide shade and shelter for aquatic life, reducing algae growth and water temperature fluctuations. The flowers attract bees, dragonflies, and other beneficial insects essential for pond ecosystem health. [source]

💊

Traditional Native American medicine

Medicinal

Native American tribes traditionally used Nymphaea odorata rhizomes and roots for treating digestive ailments and inflammation. The plant contains astringent compounds historically valued for medicinal preparations. [source]

🏠

Natural water treatment

Household

Water lilies naturally filter water by competing with algae for nutrients and absorbing excess nitrogen and phosphorus, helping maintain clearer pond water without chemical treatments. [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. Cut flowers can be harvested by cutting the flower stem at the point where it leaves the rhizome, preferably in morning when flowers first open. Flowers last 3-4 days in a vase with fresh water. Deadhead spent blooms underwater to encourage continuous flowering throughout the season.

Fun Facts

🌱 The flowers of 'Odorata Minor' have a delightful fragrance that intensifies in mid-morning, making early pond visits especially rewarding for visitors seeking the sweet, vanilla-like scent.
🌱 Nymphaea odorata is the state flower of Rhode Island and has been sacred to many Indigenous peoples of North America for thousands of years, featured prominently in traditional art and ceremonies.
🌱 Unlike tropical water lily cultivars, 'Odorata Minor' is extremely cold-hardy and can survive being frozen into pond ice, entering dormancy and reliably returning each spring even in harsh climates.

Gardening Terms

New to gardening? Learn about terms used in this guide:

Cultivar Deadhead Full Sun Perennial

Shop Fragrant Water Lily plants and related plants at Plant Addicts →

Join 30,000 gardeners planning their gardens with LizPlants.

Get your personalized Fragrant Water Lily planting timeline

Tell us your zip code and we'll calculate exactly when to start Fragrant Water Lily seeds, transplant seedlings, and harvest — based on your USDA zone and local frost dates. Includes calendar reminders and printable task lists. Free to start.

Get my Fragrant Water Lily timeline →