Madagascar Lace Bulb (Apongeton madagascariensis)

Origin: Madagascar
Usage: Background, Midground
CO2: High
Light: Medium - High
Care: Difficult
Growth Form: Rosette, Tuber
Growth Rate: Fast
Height:  10 - 20”
Width: 10 - 12”
Temp: 41 - 75F

Aponogeton madagascariensis, commonly known as the Madagascar Lace Plant, is native to the flowing waters of Madagascar and has been a prized plant among aquarium hobbyists since the 1950s due to its unique, lacy leaf structure. It is considered a challenge to maintain, but its distinct beauty makes it a highly sought-after species for aquascaping.

This plant thrives in substrates low in nutrients, as nutrient-rich soils can cause dark brown dead zones in the leaves, potentially leading to the plant's demise. To support Aponogeton madagascariensis, it’s beneficial to plant it alongside smaller, compact species like Cryptocoryne, which won’t overshadow or outgrow it. The lace plant's bulb should be partially exposed and not entirely buried in the substrate for optimal growth.

Aponogeton madagascariensis requires medium to high light intensity without being shaded, along with a steady supply of CO2 and both micro- and macronutrients. Iron deficiency is a common issue for this plant, and without enough nutrients, the plant may rely on its internal reserves to grow new leaves. Once the tuber is exhausted of nutrients the plant will die. It flourishes in temperatures below 75°F, where it displays more vitality, but higher temperatures can significantly slow or halt its growth.

While some literature suggests that the Madagascar laceleaf requires a resting phase where its leaves die off, this isn't always necessary under good aquarium conditions. If you’re looking to propagate, the plant releases seeds in thick-walled pods that float before splitting and releasing seedlings. These can be grown in a muddy, nutrient-poor substrate, and after 3-4 months, young plants with 4-inch leaves and a bulb diameter of 1 cm can be safely replanted.

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