How to prune nymphaea 'sioux'

Throughout the growing season; divide in spring. Cut spent and yellowing material at the stem base and remove from the pond. Avoid leaving cut stubs in the water. Divide in spring by separating the rhizome and replanting healthy growing sections.

As needed during the season; divide every 4–5 years. 'Sioux' is a changeable hardy water lily whose blooms shift from yellow to copper-red. It is moderately vigorous and easy to maintain. Remove dying pads and spent flowers by cutting at the stem base throughout the season. Division is needed less frequently than more vigorous cultivars — every 4–5 years is usually sufficient.

Cut spent and yellowing material at the stem base and remove from the pond. Avoid leaving cut stubs in the water. Divide in spring by separating the rhizome and replanting healthy growing sections.