The native for neem tree is tropical South East Asia. The scientific name of neem tree is Azadirachta indica. It has the ability to grow very fast and survive drought and poor soils. It always has leaves in the tree through the year. It is of 30 meters height with leafy branches. After two to three years, many white flowers appear with a smell of honey. After three to five years, fruit appear. The ripe fruit is of oval shape at 2 cm long. A light coloured seed at 1.5 cm long appears inside the fruit. The neem trees can be grown in areas where there is a yearly rainfall between 400 mm and 1500mm. They require very hot temperatures from 44 C to 4 C.

Classification of neem tree:

The classification of neem tree is:

• Plantae kingdom.
• Magnoliophyta division.
• Magnoliopsida class.
• Sapindales order.
• Meliaceae family.
• Azadirachta genus.
• A. indica species.
  

Importance of neem tree:

The neem tree is an important component in Ayurveda for curing skin diseases. Neem twigs can be used for brushing. All parts of trees like seeds, flowers, leaves, and bark is used in medical preparations. The neem oil can also be prepared from neem tree. They are used for preparing cosmetics such as soap, shampoo etc. The neem gum is the special purpose food for patients in diabetics. They have rich source of protein.

The neem is used as pest in agriculture and as well as disease control. They act as an environmental friend biopesticides. They are very effective in scabies treatment. They are also good in worm's treatment. The neem oil is sprayed in dogs and cats for preventing them against fleas.

Advantages of Neem Tree:

• It purifies human blood,
• Acts as medicine for wound, burns, and injuries.
• Also acts as deworming agent,
• Helps in proper maintenance of liver secretion,
• It is used in the treatment of hair fall, dandruff, lice etc.

Disadvantages of Neem tree:

• Very pungent smell,
• Bitter taste.