There are numerous clove and coconut plantations on the island, which constitute the basis for exports.

An excerpt from the article 24 facts about Zanzibar

Clove trees appeared in Zanzibar in 1812 thanks to Saleh ibn Haramil from Muscat, who brought them here from the island of Reunion. However, it was only in the first half of the 19th century, during the rule of the Sultan of Oman, Said ibn Sultan, that Zanzibar became the world's leading producer of spices (nutmeg, saffron, vanilla, cinnamon, etc.), among which the most important was cloves. Zanzibar became a clove power, basing its production on the labor of slaves. It is said that in those days, cloves were more valuable than gold. Currently, Zanzibar ranks third in the global clove production market.