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Growing Citronella is More Rewarding Than You Think
Growing Citronella is More Rewarding Than You Think
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When you think of citronella, you probably think of summer nights spent on patios and decks surrounded by tiki torches to guard against unwanted pests. While pest control is certainly the most well-known merit of this citrusy plant, it brings much more to the table than that. Under the right conditions, the hardy citronella will not only fend off those pesky mosquitoes but can soothe the mind and body with its therapeutic scent.

01

Planting your citronella

True to its origins, the citronella will flourish most in warm, loamy soil. AwakenedEye / Getty Images

The citronella plant is native to tropical climates, so while it can return annually in cooler regions, it will really flourish if planted after the last frost of the year — about the same time that you would plant your tomatoes. Wait till the ground warms up and plant it in loamy soil with a pH of roughly 6.5 to get your citronella off to the start it needs.

02

Size requirements for the citronella plant

At a potential size of six feet tall and six feet wide, the citronella will need space between its siblings. daoleduc / Getty Images

The citronella is a bushy plant, so if it's doing well, it will need plenty of space to spread. A plant can reach six feet tall and six feet wide if cultivated under ideal conditions, and while many gardeners recommend spacing them 18 to 24 inches apart, doing so could result in a very dense citronella patch. Plant them a bit farther apart if you expect them to thrive, to mitigate overcrowding.

03

Sunlight requirements

Though it prefers warmer climes, the citronella can survive in cooler areas as long as it has enough sun. ThamKC / Getty Images

The citronella plant is hardy in growth zones 10 to 12, which correspond to the warmer climates of the south. It can grow in cooler temperatures, but will usually be an annual rather than a perennial. In either case, the citronella prefers indirect sunlight with enough shade to keep its leaves from scorching.

04

Watering requirements

With its origins in subtropical regions like southeast Asia, it comes as no surprise that the citronella requires a significant amount of water. Daily hydration is a must for these plants, so be sure to give them a drink once the top inch of soil has begun to dry.

05

Pest preventative

The oils and scent of the citronella make it safe from harmful insects, but it can only help you if it's applied or burned. Teodor Costachioiu / Getty Images

The citronella's fame lies in its insect-repellent properties, as its citrusy scent confuses and repulses mosquitoes. It makes sense, then, that this plant faces little danger from other invaders.

If you purchase citronella plants in the hopes of fending off undesirable insects, know that their defensive properties help only themselves when they're planted — they won't keep bugs away just by sitting there. You must apply their oil to the skin or clothing or release it by burning to get the repellant benefits.

06

Potential diseases

As long as it grows in properly aerated soil to prevent root rot, the citronella is safe from most diseases. daoleduc / Getty Images

In the same way that the citronella's oils make it offensive to pests, there are also very few diseases to which it is vulnerable. Root rot can endanger citronellas if they have poor soil drainage, but proper aeration can nip this affliction in the bud.

07

Special nutrients

With a starting diet of organic compost and 5-10-15 fertilizer, the citronella is sure to flourish. WIN-Initiative/Neleman / Getty Images

Although the citronella is a hardy plant, extra nutrients always help. Start out with a one-inch layer of rich organic compost to give it the head start it needs, and feed it with liquid fertilizer of a 5-10-15 NPK ratio. An annual boost of nitrogen-rich fertilizer will also give it a boost.

08

Propagating your citronella

Easily propagate your citronella by burying a connected shoot into adjacent soil.

Conveniently, the citronella is as easy to divide as it is to cultivate. If potted, place another vessel adjacent to it, and bend one stem over into the nearby soil. Keep it attached to the mother plant, and cover the stem while leaving its tip exposed. After a short time, it will begin to develop its own root system and can be separated from the parent. Branch cuttings also work.

ThamKC / Getty Images

09

Benefits of citronella

From disinfectants and pest control to anxiety and depression relief, the citronella carries holistic benefits. zetat / Getty Images

On top of its usefulness as an insect repellant, citronella benefits humans emotionally and physically. Its refreshing fragrance can treat anxiety, and it also serves as an antifungal and antimicrobial disinfectant — hence its use in Asian countries as a soap and cleaning agent. Citronella has also been used to treat lice and intestinal worms and has anti-inflammatory benefits.

10

Citronella varieties

Relatives like lemongrass and citronella-scented geraniums have their place, but the citronella stands unique! Nanniie_iiuu / Getty Images

Several relatives of citronella are often sold as alternatives, but they don't have the same effects. Lemongrass is in the same family, but while its citrusy flavor goes well in food recipes, it isn't insect-offensive like citronella. Citronella-scented geraniums are often peddled as insect repellents and likened to the real thing, but they too are ineffective at pest repulsion. If that's what you're after, only citronella will suffice.

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