Waterlily ‘Conqueror’ (Nymphaea ‘Conqueror’)

Waterlily 'Conqueror' botanical diagram

About Waterlily 'Conqueror'

Waterlily 'Conqueror' (Nymphaea ‘Conqueror’) is grown for garden performance matched to its site needs. Expect full sun, typically 0.0508–0.1016 m tall, high water once established.

Sun Full
Water High
Height 2–4 in (5–10 cm)
Spread 3–5 ft (90–150 cm)
Habit Aquatic Plant
Season Summer, Fall
Hardiness Zones 4–10

Can Conqueror take your winter? Type your ZIP below and compare it with Zones 4–10.

2023 USDA ZIP listings (PRISM / USDA-ARS). Find Your USDA Hardiness Zone · Official USDA map.

Is Waterlily 'Conqueror' Right for Your Garden?

Best for

  • Small gardens, courtyard planting, and container growing
  • Reliably moist soil or pondside positions
  • Open, sunny positions with good air movement

Not recommended if

  • Large open spaces where a bolder specimen is needed
  • Free-draining or sandy soils prone to drying out
  • Dense shade or north-facing walls

Trade-off to know

Waterlily 'Conqueror' thrives in moisture but will not tolerate stagnant waterlogging. The distinction between 'moist' and 'wet' matters — good drainage is still required.

Growing Conditions for Waterlily 'Conqueror'

Site checklist

  • Sun: full sun
  • Soil drainage: Poorly Drained
  • Water: High
  • Hardiness zones: 4, 5, 6, 7, 8, 9, 10

Adjustments

  • Wrong light level is the most common cause of weak performance
  • Fix drainage before treating leaf symptoms

Shared growing steps for this plant’s group: How to Grow Water Lily. Notes below stay specific to this plant.

How to Care for Waterlily 'Conqueror'

Establishment

  1. Plant Waterlily 'Conqueror' in a site matching its sun and drainage needs
  2. Water regularly until roots settle, then match watering to the plant’s need

Ongoing care

  • Mulch to buffer moisture swings
  • Remove dead or damaged growth in season
  • Avoid constant wet foliage where disease pressure is high

Diagnosing Problems with Waterlily 'Conqueror'

SymptomLikely causeConfirming signAction
Leaves yellowing, soft, or dropping in wet conditions Waterlogging or root rot Soil soggy; roots brown and soft when uncovered Improve drainage before replanting Waterlily 'Conqueror'. Do not water until the top 5 cm of soil is dry.

Leaves yellowing, soft, or dropping in wet conditions

Likely cause
Waterlogging or root rot
Confirming sign
Soil soggy; roots brown and soft when uncovered
Action
Improve drainage before replanting Waterlily 'Conqueror'. Do not water until the top 5 cm of soil is dry.

Waterlily 'Conqueror' FAQ

  1. Is Waterlily 'Conqueror' easy to grow?

    Waterlily 'Conqueror' needs reliable moisture and is not suitable for dry or neglected gardens. The most common mistakes are poor drainage and incorrect sun placement.

  2. How big does Waterlily 'Conqueror' get?

    Waterlily 'Conqueror' typically reaches 0.0508–0.1016 m. Final size depends on soil quality and available root space. Allow adequate spacing at planting — most plants reach their full spread within 5–10 years.

  3. How much sun does Waterlily 'Conqueror' need?

    Waterlily 'Conqueror' grows best in full sun. Planting in the wrong light level is the single most common cause of poor performance. Check the aspect of your site before choosing a position.

  4. Can Waterlily 'Conqueror' grow in a container?

    Waterlily 'Conqueror' is compact enough for container growing when the pot is generous. Use a loam-based compost, ensure drainage holes are clear, and water more frequently than you would in open ground — pots dry faster.

What Waterlily 'Conqueror' Symbolises

  • serene
  • pure
  • contemplative
  • floating

Plant details on Bosquelle are curated from published references and garden practice. Height, bloom time, hardiness, and look still shift with climate, soil, and care — use this profile as a reliable starting point, then check what local growers see in your area.