The banana plant, dwarf aquarium lily, tiger lotus, and aponogetons (also sold as “betta bulbs” at pet store chains) are all types of plants that grow from a bulb or tubers. Rinse the bulb or tubers to remove any rock wool or loose substrate covering it, and place it on top of the substrate. If the bulb starts floating, you can either wait for it to sink or place it loosely under a piece of hardscape to keep it weighed down (until it develops roots that will firmly anchor it into the substrate). New leaves and roots should quickly sprout from the bulb, but if there is no growth after one to three weeks, try turning the bulb over because it may be upside-down. Bulb plants can grow very tall with leaves that reach the water surface, and they tend to take nutrients from both root tabs and liquid fertilizers.
For more information, read our quick guide on how to plant live aquarium plants.
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