These are In Order As They Are In The Game Menu

!!DISCLAIMER!!

The Leaves MUST be Blown Off The Screen To Get Them And The Achievement.

Bone Leaf:
Use Ace of Spades Blower in Volcano
Needs 100 m Lava Leaves

Crystal Leaf:
Use Hands in Neighbors Yard
Needs 1 c Platinum Leaves

Fire Leaf:
Use the Lazer Blower in the Void
Needs Void Leaves

Ghost Leaf:
Use the Blowfish BLower in Space
Needs 1 d Cosmic Leaves

Glitter Leaf:
Use the rake in mountain
Needs 1 D Bismuth Leaves

Heart Leaf:
Use Basic Leaf Blower in Your Own Garden
Needs 100 e Gold Leaves.

Rainbow Leaf:
Use the Rocket Engine Blower in the Celestial Plane
Needs 100 k Celestial Leaves

Robot Leaf:
Use the Graphics Card Blower in the Abyss
Needs 1 m Exotic Leaves


Also a youtube video showing some (Bone Leaf Not Included,Plus Not Mine all Credits To The Owner of The Video)
https://www.youtube.com/watch?v=rPZCgYIK6ls