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Hal wrote:
Water hyacinth can tolerate a frost on the leaves, but they will look UUgly until they grow back out (new leaves) after the water warms up. They grow better in water over 70*F. I am keeping my water hyacinth in tubs in a greenhouse. The air temperature gets down to 40F and the water temperature gets down to 50F. They are doing fine but basically just sitting there. I expect to see growth now that the water temperature and minimum air temperature is rising. In my spring fed pond they prosper in water that never gets above 60F. I won't put them back into the pond until the date for planting tomatoes which is May 15th here, and then I will check the weather report first to make sure that there is not chance of frost. -- Pardon my spam deterrent; send email to 18,000 gallon (17'x 47'x 2-4') lily pond garden in Zone 6 Cheers, Steve Henning in Reading, PA USA |
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