Question

How and where can you catch an Oddish?

Comments

In which game??

Answer 1

Red Route 5, 6, 7, 12, 13, 14, 15, 24, 25

Yellow Route 12, 13, 14, 15, 24, 25

Gold/Silver Route 5, 6, 24, 25, Ilex Forest

Crystal Route 24, 25, Ilex Forest

Ruby/Sapphire Route 110, 117, 119, 120, 121, 123, Safari Zone

FireRed Route 5, 6, 7, 12, 13, 14, 15, 24, 25, Berry Forest, Bond Bridge, Cape Brink,
Water Path

Emerald Route 110, 117, 119, 120, 121, 123, Safari Zone

Diamond/Pearl Route 229, 230

Platinum Route 224, 230

HeartGold/SoulSilver Route 5, 6, 24, 25, Ilex Forest

White White Forest

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Source

Comments

He also asked how, might wanna add with a pokeball. lol

Answer 2

If oddish is originally not available in your white forest you can go to the Pokemon dream world and its available in the Pleasant Forest