How do I edit / delete the planting and harvest dates for one of my crops?

while in business account profile

To EDIT

1. From the main-drop down select my products
2. Select the  update seasonality and harvest date calendar action icon to the right of your crop line item you’re trying to edit
3. Edit your harvest and / or planting date, your changes are saved automatically
4. To DELETE select clear below the calendar to remove the date entirely OR you can edit it by changing to a new date manually.