Nymphaea ‘Diamond Crown’
2022 IWGS Best Overall New ISG Winner
An award-winning masterpiece by Thai hybridizer Pornchai Sukkasemsamranjit, ‘Diamond Crown’ claimed the title of Best Overall New ISG at the 2022 International Waterlily and Water Gardening Society (IWGS) competition.
This vigorous, large hybrid is ideal for warm climates and puts on a spectacular display in any pond or aquatic garden. Its elegant purple blooms are matched with lush foliage and a robust growth habit, making it a standout feature in larger water features.
Growing Information:
Type: Winter-hardy ISG
Award: 2022 IWGS Best Overall New ISG
Growth Habit: Vigorous; large hybrid
Recommended Pot: Deep circular pot (at least 12–15" wide)
Planting Depth: 10–24" from soil to water surface
Sunlight Needs: Full sun (minimum 5–6 hours per day)
USDA Zones: 7–10
Hybridizer: Pornchai Sukkasemsamranjit (Thailand)