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Lime Basil

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Lime basil is an heirloom variety, and is one of the species used to create the hybrid lemon basil. Lime basil is native to northeastern Africa and southern Asia. In Africa and India, lime basil is used medicinally. The herb smells sweet and citrusy with a light zesty basil flavor. It is a relatively rare variety of basil with it’s strong lime aroma.

Appearance

  • stems are hairless
  • leaves edges are smooth
  • leaves are tear-drop shaped and compact
  • basil flowers are white
  • 12 to 16 inches tall 
  • prefers 6-8 hours of sun

Taste

  • lime aroma
  • similar to sweet basil but with lime flavor
  • best consumed raw (heat and oxidation turn it black)

Benefits

  • provides an excellent source of vitamin K, manganese, iron, vitamin A, vitamin C, calcium, zinc, magnesium, and omega-3 fatty acids
  • treats migraines
  • soothes muscle aches
  • helps cuts and skin infections
  • relieves itching from insect bites
  • aids in digestion, upset stomach
  • acts as anti-inflammatory
  • combats colds, coughs, asthma, bronchitis
  • fights free radical activity
  • helps with depression, anxiety, nervous conditions
  • manages diabetes
  • supports the liver
  • detoxifies the body

Planting

Basil plants are sensitive to frost, and prolonged exposure to temperatures below 50 degrees Fahrenheit can harm or kill the plant. Start seeds 6-8 weeks before the last frost in spring. For a head start, sow seeds a quarter of an inch deep in a small pot or jiffy peat pod, or use the paper towel method, and then transfer to a pot once seeds sprout in about 7-14 days.

Seeds may also be sown directly in soil when temperatures rise above 60 degrees F. Mix soil with compost to prepare the garden planting area. Basil will still grow even if soil isn’t great; but compost will definitely help the herb take off. Cover seeds with 1/4 inch of loamy soil. Keep the soil moist; water lightly until seeds root and sprouts become more resistant to disturbance. 

Location

Basil plants need a warm and sunny spot to thrive. Six to eight hours of direct sunlight is ideal. Basil does best when soil and air are warm. Be conservative about when to move plants outside in the spring; make sure the weather will be consistently warm. Basil will grow in partial shade, however its flavor will be more developed in full sun.

Caring for Basil

Basil copes with little water, however, does not like water logging and will not survive frost. Basil does best in moist soil, but when overwatered, the roots can rot and the plant can die. The first signs you may see above the soil are yellow and drooping leaves. Always put your finger about an inch into the soi to test for moisture; do not rely on eyeballing the top of the soil. 

Growing Indoors

Lime basil is a good option for growing in pots indoors. 

Harvesting

Prune plants to harvest leaves before the herb starts to flower. Harvest the leaves from the top down. Cut above each node (leaf pair) on a stem rather than leaving a stub. Leave 4″-6″ of the plant above the ground. Basil grows rapidly. After a major pruning, the herb will be ready for harvest again in a few weeks. 

Prune with care since leaves bruise easily. Use soon after harvesting, or store cuttings in a jar of water to extend shelf life. Cuttings may even root and produce a new plant. If you want to encourage leaf-growth, and delay the death of your basil plant, you need to deadhead your basil often, especially when you see flowers.

End of the SeasonLime basil is an annual; that means it needs to be replanted every season. At the end of its life, the basil plant will flower and set seed. When plants bolt, you can easily save seeds. Basil plants can live up to a year; however in cold climates, they will die from severe temperature drops, even before they set seed. You may want to allow one of your basil plants to bolt before temperatures drop so you can save seeds for the following season.