How to grow your own Lemon Grass


How to grow your own Lemon Grass


Lush, aromatic lemon grass (Cymbopogon citratus) can fit into any garden — even if only for one season. Lemon grass, an Asian herb with thick stalks that impart a lemony flavor when cooked, is an evergreen perennial in U.S. Department of Agriculture plant hardiness zones 10 and 11, but can be grown to harvestable size as an annual in any zone. Set out small lemon grass plants at any time where it is evergreen, and after all danger of frost has passed elsewhere.

Step One

Spread a 2- to 4-inch-thick layer of compost over an area of garden soil that drains well and receives at least eight hours of sun per day. Allow enough room for at least 3 feet between lemon grass plants or between the lemon grass plant and other plants. Dig the compost into the soil with a shovel to a depth of 4 to 6 inches.

Step Two

Set the plant into the prepared soil at the depth it was in the nursery pot, and water in well.

Step Three

Water lemon grass plants deeply and regularly -- never letting the soil dry out -- when rain doesn't provide the necessary moisture. It commonly grows slowly at first, and puts on height quickly during the hottest part of the summer. The plant responds well to humid weather, though frequent misting can improve its performance.

Step Four

Apply a 2- to 4-inch layer of mulch around lemon grass plants to help the soil retain moisture.

Step Five

Feed lemon grass with a high-nitrogen, water-soluble fertilizer once a month throughout the summer months, mixed at half the recommended label rate. For a 24-8-16 product, this would be 1/2 tablespoon per gallon of water.

Step Six

Check lemon grass for the white and yellow specks left by tiny spider mites or the small red spots of leaf blight -- although the plant is generally resistant to pests and diseases if grown in the recommended conditions. Spray infested plants with strong blasts of water from a hose to dislodge mites, repeating as you notice insect damage. Hand pick and discard any leaves that show signs of blight.

Step Seven

Dig up a clump of the lemon grass plant from around the edge of the plant -- or the whole plant if it's not too big -- and place it in a pot with potting soil before the first frost below USDA zone 10 if you want to over-winter your lemon grass. Put the pot in the coolest spot in your home or garage that stays above freezing; reduce the water to a light watering once a month to let the plant go dormant. Resume watering in early spring, and plant the lemon grass out again after the last frost. Make sure to use a container that drains.


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