Greenhouse in Wizards Unite
Wizards Unite Greenhouses are the locations that a Wizard can collect Ingredients for Potions. In every Greenhouse you will be offered three pots , but you can only choose one. You choose by swiping up the pot you want. The rewards are usually seeds and spell energy.
Second way of using a greenhouse is by planting your seeds and see them grow. To grow plants you must have the seeds and water needed. It will take a different ammount of time for each plant to grow. Remember to come back to the Greenhouse at the time needed because you will have only 30 minutes to collect the rewards.