- 1). Fill a 12-inch diameter pot with a well-draining potting soil. Outdoors, choose a well-draining, full-sun bed with soils rich in organic matter.
- 2). Plant the lemongrass in a pot or bed at the same depth it was growing in its nursery pot. If the plants were sold bare-root, plant them so the top of the roots is just beneath the soil surface. Plant one plant per pot or space them 3 feet apart in beds.
- 3). Fertilize potted lemongrass every 10 days. Apply a balanced houseplant fertilizer at half the strength recommended on the label. Apply a full strength solution once monthly to bedded plants.
- 4). Water lemongrass at the base until the excess moisture drains from the bottom of the pot or until the top 6 inches of soil feels moist. Mist the foliage during the day if the weather is hot and dry.
- 5). Bring potted lemongrass indoors before the first frost in the fall. Set it in a sunny window. Keep it moist throughout winter.