Pond Plant Care: Lotus Plant Selection and Care
Veterinary & Aquatic Services Department, Drs. Foster & Smith

Selection, Care, and Potting Your LotusAlthough tropical in appearance, Lotus plants are hardy perennials. There are two recognizable species of the genus Nelumbo: Nelumbo lutea, native to the United States, and Nelumbo nucifera, native to the Orient.

Lotus do well in geographical areas where there is enough summer heat to bring them into flower. Temperature extremes (outside the appropriate range) will result in wilted blooms or no blooms. They are a sun loving plant, so plant them in full exposure. If they do not receive enough hours of direct sunlight, (a minimum of 6) they may not bloom.

Lotus are day-bloomers, meaning the flowers open in the early morning and begin to close by mid-afternoon. They will do this for three consecutive days. Some lotus are "changeable"; their colors will gradually change over the three-day period. They bloom later in the growing season than lilies; even their leaves appear later in the spring. Lotus are shipped as tubers.

Lotus planting procedure

Whether you have a new arrival or a mature lotus that needs repotting, the procedure is the same.

Get the largest round rubber or plastic pot you can find. Ideally, the pot will have at least an 18-inch diameter and be 6-inches deep. Square containers can cause the plant to die if a tuber gets crunched into a corner during high growth periods.

Lotus are strong growers, so make sure there are no drain holes in the container that would allow roots to get out.

Lotus can quickly rot in organically rich soil so it is best to use clay soil or potting mix made especially for pond plants.

Planting your new lotusAdd soil until it is about 3" deep in the lotus container. GENTLY pick up lotus tuber, as damaging the new shoots can quickly kill a lotus. The tuber should ideally be white to gray in color and be very firm to the touch. Hairy roots and new shoots will grow from either end. If leaves and/or pads are attached, trim back most of them. Gently place tuber on top of soil, taking care not to damage the new shoots. Slowly add more soil (again being careful of new shoots) until about 1" of soil is over the tuber.

At this point, if you have really sticky clay soil, you can place the lotus in the pond. If you don't have sticky clay, you'll want to add a layer of pea gravel otherwise the tuber will quickly float out of the soil. You may even carefully put a rock on top of the tuber as long as it doesn't damage the new shoots.

If your pond is not yet warm enough (approximately 70°F), you can use dechlorinated water from your house to fill the pot to the rim. The lotus can remain in that container, in the sun, until your pond temperature becomes warm enough.

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Reprinted from PetEducation.com.