How to Grow Laydekkeri Purpurata Water Lily

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Laydekkeri Purpurata Water Lily

Nymphaea laydekeri 'Purpurata'

flower

Laydekkeri Purpurata is a hybrid water lily cultivar known for its deep red to purplish flowers and compact growing habit. It produces fragrant blooms and is ideal for small to medium-sized ponds and water gardens. This day-blooming variety is a popular choice for container water gardens and ornamental water features.

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

  1. Plant Laydekkeri Purpurata Water Lily

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. First Laydekkeri Purpurata Water Lily blooms

    Around May 17

    ≈ 30 days after planting

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

Growing Conditions

☀️
Sun: Full sun, 6-8 hours of direct sunlight daily for optimal blooming
💧
Water: Requires 12-18 inches of water depth; keep roots submerged year-round. In temperate climates, water depth should prevent ice formation to the planting container in winter. Maintain clean water with minimal algae.
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Spacing: 24-36 inches between plants in shared water features inches
📅
Days to maturity: 30-45 days from planting to first blooms
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Planting depth: Plant root rhizomes 2-3 inches deep in containers; top of growing medium should be 12-18 inches below water surface

Soil

Type: Rich, loamy aquatic soil or specialized water lily planting media
pH: 6.5-7.5
Amendments:
Compost or aged manure Aquatic plant fertilizer Iron-rich soil conditioner for color enhancement

Growing Zones

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Thrives in zones 5-10, with winter hardiness in zones 4b and above

4b 5a 5b 6a 6b 7a 7b 8a 8b 9a 9b 10a 10b 11a

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Growth Stages

1

Dormancy/Planting

1-2 weeks

Rhizomes are bare or emerging from storage; new shoots begin to sprout

Plant in spring when water temperature reaches 60°F. Ensure rhizome crown is at soil surface, not buried. Use aquatic baskets lined with burlap.

2

Vegetative Growth

2-3 weeks

Leaves emerge and float on water surface; plant develops established root system

Monitor water temperature and quality. Apply slow-release aquatic fertilizer tablets. Remove any diseased or damaged leaves.

3

Bud Formation

1-2 weeks

Flower buds develop at leaf axils; plant appears fuller with multiple growing points

Ensure adequate sunlight. Maintain consistent water depth and temperature. Thin excessive foliage to improve air circulation.

4

Flowering

8-12 weeks (peak summer bloom)

Deep red to purple fragrant flowers bloom during daylight hours; flowers close at night

Deadhead spent blooms to encourage continuous flowering. Maintain water quality and fertilizer schedule. Protect from strong wind.

5

Decline/Winter Preparation

4-8 weeks

Blooming slows as temperatures drop; leaves may yellow and deteriorate

Reduce fertilizer in fall. Remove dead foliage to prevent water quality degradation. In cold climates, move containers to deepest part of pond or drain and store indoors at 40-50°F.

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

Aggressive spreading aquatic plants Water hyacinth Duckweed Fast-growing Ludwigia species Salvinia

Common Pests

  • Spray foliage with strong water jet; use insecticidal soap safe for water gardens; introduce natural predators like ladybugs

  • Remove affected leaves; manually pick beetles; use neem oil or spinosad products labeled for water gardens

  • Maintain good water circulation and aeration; remove excess decaying plant matter; use beneficial bacteria or mosquito dunks

  • Remove manually; introduce snail-eating fish like loaches; reduce plant debris that attracts snails

  • Ensure proper water depth; remove affected areas with sterile tools; improve water circulation and air quality; consider fungicide for water gardens

Uses

🏠

Ornamental Water Garden Display

Household

Laydekkeri Purpurata is primarily used as an ornamental focal point in decorative water gardens, ponds, and container water features. Its striking deep red-purple flowers and compact growth habit make it ideal for small to medium water features. [source]

🦋

Pollinator and Water Garden Habitat

Wildlife

Water lilies attract bees, aquatic insects, and other pollinators while providing habitat and shade for fish and aquatic organisms. The floating leaves offer shelter for frogs and invertebrates. [source]

🎨

Cut Flower Arrangements

Craft

The fragrant, colorful blooms are suitable for floral arrangements and decorative displays when cut in the morning. They add elegance to tabletop arrangements and water bowls. [source]

💊

Traditional Herbal Use

Medicinal

Water lily flowers and rhizomes have been used in traditional medicine and herbalism, though Laydekkeri varieties are primarily cultivated ornamentally. Historic medicinal applications include sedative and astringent properties. [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 consumption. Cut flowers for arrangements early in the morning when fully open. They typically last 3-4 days in a vase. For long-term enjoyment, allow flowers to bloom in situ and enjoy throughout the season. Deadhead spent blooms by pinching stems below water surface to encourage continuous flowering.

Fun Facts

  • 🌱 Laydekkeri Purpurata is a hybrid between Nymphaea laydekeri and likely N. atropurpurea, combining compact size with vibrant color intensity.
  • 🌱 Water lily flowers have a natural 24-hour cycle, opening in morning sunlight and closing at sunset or in cloudy weather.
  • 🌱 The fragrance of water lilies intensifies during warm, sunny afternoons and serves to attract specific pollinators in their native habitats.

Gardening Terms

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