The Egyptian Blue Water Lily is a tropical water lily native to northern and central Africa, where it once thrived abundantly in the Nile Delta. This perennial aquatic plant produces stunning day-blooming, star-shaped flowers in light blue, each 4 to 6 inches across with upright, pointed petals that float gracefully on the water surface. Hardy in zones 10 through 12, it blooms from July through September and reaches a mature spread of 6 to 8 feet, making it a dramatic focal point in any water garden. The flowers are fragrant and showy, drawing admirers and pollinators alike. Plant it in still water in full sun, where it will reward you with months of ethereal blue blooms.
Full Sun
Moderate
10-12
12in H x 96in W
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Moderate
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The Egyptian Blue Water Lily earned its sacred reputation in ancient times for good reason: its star-shaped flowers are unlike any other water lily, with pale blue petals that seem to float like silk on the water's surface. Each bloom opens during the day and lasts from morning through afternoon, creating an ever-changing display throughout the growing season. The plant's architectural foliage, with long petioles connecting broad leaves directly to the rhizomes below, adds visual interest even when flowers aren't blooming. Its fragrance drifts across the water garden, and the plant thrives in full sun with minimal fussing once established in the right conditions.
This aquatic perennial is primarily grown as an ornamental water plant, valued for its extraordinary fragrant flowers and striking foliage in garden pools, ponds, and water features. It functions beautifully in rain gardens where standing water collects, and its low maintenance and reliable blooming make it a centerpiece of water gardening design. The plant's day-blooming habit and architectural leaf structure also make it excellent for observation and photography.
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Plant rhizomes in spring in still water gardens or in containers set in water 9 to 16 inches deep. Position each rhizome at a 45-degree angle with the bud end pointing upward and the bud slightly above the soil surface. Container planting is recommended for easier movement and seasonal management.
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“Nymphaea caerulea holds deep significance in African history, particularly along the Nile River, where it was revered in ancient Egyptian culture as the sacred blue lotus. Once abundant in the Nile Delta, this tropical water lily has captured the imagination of gardeners and botanists for centuries. Its decline in native waters underscores the importance of cultivating it in gardens today, where it continues to be grown as a living link to the botanical heritage of northern and central Africa.”