Walkthrough

1. For completing this request, you can get Powered-Up Leafage as a reward.
2. Make a Pointy Tree-Shaded Rocky Tall Grass habitat for Dartrix. The best place for it is the farm area on the hill. Use Strength to move the boulder and Leafage to grow more tall grass to complete it.
3. Make a Perch for Dartrix. Once done, place it near their home. They will give you the recipe for the Cutting Board afterward.
4. Craft the Cutting Board and Scorbunny will offer to help. Place it anywhere you want, but for a more immersive experience, you can place it as a decoration in the kitchen inside the building.
5. Make a Simple Salad by cooking two Leaves. Eat it with Scorbunny afterward.
6. After consuming the Simple Salad, you can now use the Powered-Up Leafage. This allows you to grow multiple greenery by holding the button, even spawning rare ones such as Duckweed if used near water.

Walkthrough source: Game8.