Nature Day runs from 23 April to 4 May and requires version 1.2.0 or newer of Animal Crossing: New Horizons to be installed. You must have also progressed far enough in the game to unlock Nook Miles+.
During the event, there are additional Nook Miles+ tasks to complete:
- Craft Fencing for Beautiful Gardens
- Decorate with Flowers
- Get Stylin’ by Wearing Flowers
- Plant Coconuts on the Beach
- Plant Cosmos Seeds
- Plant Hyacinth Bulbs
- Plant Lily Seeds
- Plant Mum Seeds
- Plant Pansy Seeds
- Plant Rose Seeds
- Plant Shrub Starts
- Plant Tulip Bulbs
- Plant Windflower Seeds
- Pluck Blossoms and Craft a Flower Crown
- Send Gratitude with Flowers
- Tree Transportation
- Weave Flowers to Craft a Wreath
After completing one of these tasks, speak to Tom Nook at Resident Services to unlock the DIY crafting recipe for the hedge!
This is helpful but I already got a hedge fence from leif