Because then his men wouldn't want to leave.
Not to eat the lotus plants
lotus flowers to eat
No. The Lotus eaters only ate lotus plants and were peaceful.
The lotus is dangerous to Odysseus because it makes those who eat it want nothing else. Lotus Eaters are people who feed Odysseus's men plants that make them forgetful.
Odysseus' have no desire for home any longer and just want to stay on the island. Odysseus has to tie them up and drag them out of the island.
Odysseus finds his men sent to ahead to scout hopelessly addicted to the lotus fruit. The plant once consume make the person forget everything except the want to say and eat the lotus fruit. Odysseus had to drag them back to the ship by force and tie them to their seats as they sailed away from the island.
It made his men forget about wanting to return home to Ithaca. They are content to merely eat lotus for the rest of their lives. If a man eats the flower, they never want to leave the island of the lotus eaters.
Eat The Halios' Cattle
If his crew eat the Lotus, they will lose all desire to return home. Odysseus needs the men to return home himself, and he is responsible for these men.
The Lotus. He also told them to not eat Helios' cattle.
The men who eat the lotus become very content and forget about returning home. They have to be dragged back to the ship by Odysseus so that they will not stay on the island forever, only desiring to eat lotus.
Their lotus is so potent that it makes his men want to do nothing but eat lotus all day. As a result, they forget about their mission to return home.