Like all plants, lemongrass may be affected by various garden funguses, diseases, and distress. Using a fertilizer encourages ...

Your lemongrass should be ready to harvest after about three months, once the plant is at least 12 inches tall, says Roman: "The base of the stalk will be thicker than the upper blades, and pliable.

Botanically, lemongrass—a genus comprising 45 species—is a perennial plant. The lemongrass species commonly used for culinary purposes is West Indian lemongrass ( Cymbopogon citratus ).

The easiest way to remember the difference between plant food and fertilizer is that only plants can make plant food: It’s not something that can be purchased (no matter what product labels say).

Your lemongrass should be ready to harvest after about three months, once the plant is at least 12 inches tall, says Roman: "The base of the stalk will be thicker than the upper blades, and pliable.