Giant Baby Tears (Micranthemum umbrosum)

Origin: Southeast USA

Usage: Foreground, Midground, Nano Tank

CO2: Medium

Light: Medium - High

Care: Medium

Growth Form: Stem

Growth Rate: Medium

Height: 2 - 6”

Width: 0.5”

Temp: 40 - 78F

Micranthemum umbrosum is a delicate yet vibrant aquatic plant native to the southeastern United States, as well as parts of Central and South America. Found in ponds, ditches, and rivulets, it often grows emersed in summer and submersed in winter. While initially sensitive to new environments, once acclimated, it thrives under the right conditions. This plant has a high demand for light, requiring at least 0.5 W/L for optimal growth. Insufficient lighting can lead to shedding of lower leaves, brittle stems, and the formation of holes in its foliage. Though it can survive without CO2 supplementation, its growth slows considerably, and leaves remain smaller.

When its basic needs are met, Micranthemum umbrosum is easy to propagate, making it a great choice for aquascaping. Simply trim a healthy main shoot and replant it in the substrate, where it will quickly develop roots and establish itself as an independent plant. This species naturally produces numerous lateral shoots from the leaf axils, and regular trimming encourages dense, bushy growth. By maintaining proper lighting and pruning, aquarists can cultivate lush, carpet-like mats, making M. umbrosum a fantastic addition to foreground and midground layouts in planted aquariums.

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