The soil in Amazon rainforests remains moist due to excessive rains and a humid environment. Therefore, Maranta Lemon Lime prefers moist soil to grow. However, the soil shall not be wet or soggy as it can initiate fungal diseases in roots. Therefore, the soil shall also be well-draining along with being moisture absorbent.
Adding peat moss and perlite to the soil mix will improve the soil's moisture gathering capacity and draining capability, respectively. Therefore, If you want to prepare your soil mix, use the following ingredients in stated ratios.
Two parts of Potting Soil
One part Coconut Coir or Peat Moss
One part of orchid bark
One part Perlite or sand
Maranta Lemon Lime thrives in slightly acidic soil, preferring a PH ranging from 5.5 to 6.0.
You may use a ready-made soil mix for African violet for your Maranta plant. However, ensure using a sterilized soil mix; otherwise, it can carry harmful microbes and bacteria.
In autumn, add a tiny amount of organic mulch to insulate the plant from temperature draft, conserve water, and restore nutrients into the soil.