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How Deep Should Yellow Water Lilies Be?

Yellow water lilies (Nymphaea Mexicana Zucc.) are a native of Florida and grow abundantly on the southeast coast of the United States. The plant is a different species than the fragrant water lily and despite wide garden use, it is classified as a noxious weed in California. There are recommended planting depths for the yellow water lilies.
  1. Pllanting Recommendations

    • Plant the rhizomes of the yellow water lilies in containers with just enough soil to cover them. Place the containers 6 to 8 inches below the water surface at the start until the appearance of new leaves. After foliage has started to grow move container to water 18 to 24 inches deep.

    Description

    • Yellow water lilies are a day-blooming lily variety with a free-flowering habit. The cuplike, 3- to 4 1/2-inch-wide flowers are a deep yellow color and have a sweet fragrance. The new foliage is olive green in color with shades of purple or reddish brown.

    Caution

    • Yellow water lilies are highly invasive in nature and can easily take over natural ponds. Container planting in a concrete or lined pond is recommended to keep plant growth in check. The flowers are hardy in U.S. Department of Agriculture plant hardiness zones 6 to 10 and semi-hardy in zones 3 to 5.