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Nymphaea Odorata Sulphurea Grandiflora - Waterlily

Nymphaea (x) odorata Odorata Sulphurea Grandiflora
American White Waterlily, Fragrant Water Lily, White Water Lily

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This plant carries a 12 months recovery warranty

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This is a large water lily that produces very large flowers (16 to 24 cm), single, slightly fragrant, star-shaped, with delicate petals of a light and bright yellow. Its leaves are large, ovate, lobed, of a beautiful golden green, with small purple spots. This hardy variety is suitable for medium to large bodies of water; its rootstock should be planted under 40 cm to 1 m of water. It blooms more abundantly in warm climates.
Flower size
17 cm
Height at maturity
20 cm
Spread at maturity
1.50 m
Exposure
Sun
Hardiness
Hardy down to -20°C
Soil moisture
Damp soil
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Best planting time March to April
Recommended planting time March to June
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Flowering time June to September
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Description

Nymphaea 'Odorata Sulphurea Grandiflora' is a superb variety of hardy yellow water lily with large, bright star-shaped flowers and significant growth. Emerging flowers that can be admired above the surface. They appear among large oval leaves of beautiful golden green with violet spots from June to September. This vigorous variety is perfect for large bodies of water, especially in warm climates.

The Nymphaea 'Odorata Sulphurea Grandiflora' is a horticultural creation by Latour-Marliac dating back to 1888. It seems to have been renamed 'Sunrise' in 1930 by Johnson Water Gardens in Hynes, California. It is a perennial aquatic plant with rhizomes and deciduous foliage from the Nymphaeaceae family. This water lily develops large, floating, ovate-shaped leaves with clefts from spring, measuring up to 28 cm long on a mature plant. These leaves are slightly bronzed green with small violet spots. The vigorous plant spreads up to 1.50 m depending on the available space. Flowering begins in June and continues until June. It is more abundant in hot and sunny climates. The large flowers, measuring 16 to 24 cm in diameter, are solitary and borne on short stems above the surface. They open in the morning and close in the evening. They have a light fragrance and attract many pollinators. The flowering is followed by the formation of fruits containing numerous seeds. The fruit ripens underwater and releases floating seeds that eventually sink and germinate in the mud. Water lilies are hardy as long as their rhizomes do not freeze in winter. It is essential to ensure that the water does not freeze at the depth where they are planted.

Choose varieties of water lilies that are easy, hardy, floriferous, and, above all, proportionate to your pond. Water lilies are among the most beautiful perennial pond plants with their perfectly shaped flowers. Most of them bloom for long weeks until early autumn. Water lilies are essential for maintaining a balanced garden pond and contribute to water oxygenation. Their leaves floating on the water's surface provide shade and shelter for your fish, protecting them from predatory insects like aphids.

The genus name comes from the Greek nymphaia and the Latin name nymphaea, which means "water lily". The nymphs of Greek and Latin mythology inspired them. Nymphaea produces flowers that are sometimes diurnal, nocturnal, and occasionally fragrant.

Flowering

Flower colour yellow
Flowering time June to September
Inflorescence Solitary
Flower size 17 cm
Fragrance slightly scented
Bee-friendly Attracts pollinators

Foliage

Foliage persistence Deciduous
Foliage colour green

Plant habit

Height at maturity 20 cm
Spread at maturity 1.50 m
Growth rate normal
Suckering/invasive plant

Botanical data

Genus

Nymphaea

Species

(x) odorata

Cultivar

Odorata Sulphurea Grandiflora

Family

Nymphaeaceae

Other common names

American White Waterlily, Fragrant Water Lily, White Water Lily

Botanical synonyms

Nymphaea 'Sunrise'

Origin

Cultivar or hybrid

Planting and care

Hardy water lilies can withstand winter's harshness if the pond's depth protects their rootstock from frost. The rootstock of the 'Odorata Sulphurea Grandiflora' water lily should be planted from March to June at a depth of 40 cm to 1 m. Plant the rootstocks of rustic water lilies in good garden soil, rich in clay or silt and free from stones (never use horticultural compost, as it is too rich and promotes algae growth). Give them the sunniest spot in the water feature. Space each rootstock at least 1 m apart and plant them by inserting them vertically into the soil until the collar. In the case of a natural water feature (pond or lake), ensure that the water level remains relatively stable and that the water is neither too acidic nor too alkaline (desired pH between 6.5 and 7.5).

The rootstocks can be planted in a wicker basket or a fine mesh basket in the desired location. For classic rustic water lilies, use a pot with a diameter of 40 cm (wider than it is tall). If the bottom is muddy, simply attach a stone to the rootstock and throw the whole thing to the desired location. Never leave the Nymphaea rootstocks exposed to the sun or air to prevent them from drying out; plant them as soon as you receive or purchase them.

If you have fish in your pond, it is preferable to spread a thick layer of large gravel on the surface of the planted pot to discourage them from digging into the soil and thus polluting the water. The development of water lilies will be optimal if grown in containers suitable for their growth.

Water lilies are hungry plants: distribute a balanced slow-release fertiliser at planting and every year at the beginning of the growing season (for example, Osmocote 10-11-18-2 with a duration of 5-6 months). During the summer, remove the leaves that grow excessively in the centre of the clump, leaving only the most vigorous ones. Also, remove any yellowed or stained leaves and emerging aquatic "weeds".

Planting period

Best planting time March to April
Recommended planting time March to June

Intended location

Suitable for Pond
Hardiness Hardy down to -20°C (USDA zone 6b) Show map
Ease of cultivation Amateur
Planting density 1 per m2
Exposure Sun
Soil pH Neutral
Soil type Clayey (heavy), Silty-loamy (rich and light)
Soil moisture Damp soil, flooded, muddy

Care

Pruning No pruning necessary
Disease resistance Good
Overwinter Can be left in the ground

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