Gold/Silver/Crystal- Route 25
Ruby/Sapphire/Emerald- Route 119, Route 124 (Trade for Green Shard)
FireRed/LeafGreen- Safari Zone
Diamond/Pearl- Floaroma Meadow
Platinum- Floaroma Meadow
HeartGold/SoulSilver- National Park (Bug Catching Contest Prize), Route 34, Route 25 (Put Oddish in your party and show Bill's grandfather.), Viridian Forest
Black/White- Route 6 (Put all seasonal Deerling in party and go to Season Institute.), Castelia City (There's a Scientist at one of the docks and answer "Pansage" to his answer), Wellspring Cave (Dustcloud; rest of these are.), Mistralton Cave, Chargestone Cave, Twist Mountain, Challenger's Cave, Victory Road, and Giant Chasm.
Black 2/White 2- Route 7, Lostlorn Forest (Dowsing Machine), Wellspring Cave (Dustcloud; these are caves are too.), Chargestone Cave, Mistralton Cave, Twist Mountain, Victory Road, Giant Chasm, Seaside Cave, Rebirth Mountain, Clay Road, Underground Ruins, Relic Path, Caselia Sewers, and N's Castle.
No...
give gloom a leafstone
scyther
pansage
nuzkleaf into shrifty
with a leafstone
gloom,so now you have a bellossom
Route 119, 124
A leafstone is used to evolve certain grass pokemon. Gloom evolves into vileplume Weepinbell evolves into Victreebel Exeggute evolves into eggecutor Nuzleaf evolves into Shiftry I HOPE THAT HELPED!
get a green shard on while your surfing between lilycove and mossdeep the when yu continue surfing there shoul dbe a house in the middle of nowhere go inside and trade the green shard for a leafstone
Take an oddish to Bill's grandfather on route 25
you need to use a leafstone on it,that can you find at routh 119...