Bulbasaur

Bulbasaur is a Grass-Poison type Pokemon introduced in Generation I, in the games Red and Green. At Level 16, it evolves into Ivysaur. It is a starter Pokemon in the Kanto region.

 * =====Generation Introduced: Gen 1=====
 * =====Type: Grass-Poison=====
 * =====Species: Seed Pokemon=====
 * =====Abilities: Overgrow, Chlorophyll (Hidden)=====
 * =====Evolves into: Ivysaur=====
 * =====Gender Ratio: 87.5% Male, 12.5% Female=====
 * =====Weight: 15.2 lbs/6.9 kg=====
 * =====Height: 2'04"/0.7 m=====
 * =====Pokedex Color: Green=====
 * =====Egg Groups: Grass and Monster=====

Locations

 * =====Red, Blue, and Green=====


 * =====Starter Pokemon given to you by Professor Oak in Pallet Town=====
 * =====Yellow=====


 * =====Given to you by a girl in Cerulean City if Pikachu's happiness is high enough=====
 * =====Gold, Silver, and Crystal=====


 * =====Time Capsule=====
 * =====Ruby, Sapphire, and Emerald=====


 * =====Trade=====
 * =====FireRed and LeafGreen=====


 * =====Starter Pokemon given to you by Professor Oak in Pallet Town=====
 * =====Diamond, Pearl, and Platinum=====


 * =====Pal Park=====
 * =====Black and White=====


 * =====Poke Transfer/Dream World=====
 * =====Black 2 and White 2=====


 * =====Poke Transfer/Dream World=====
 * =====X and Y=====


 * =====Given to you as a gift from Professor Sycamore/Trade/Transfer=====
 * =====OmegaRuby and AlphaSapphire=====


 * =====Trade/Transfer=====
 * =====Sun and Moon=====


 * =====Trade/Transfer=====
 * =====Ultra Sun and Ultra Moon=====


 * =====Island Scan; Route 2 on Fridays=====
 * =====Let's Go Pikachu and Let's Go Eevee=====


 * =====Viridian Forest=====
 * =====Sword and Shield=====


 * =====Gift in Master Dojo=====

Red, Blue, Green, and Yellow Regional Pokedex: 001

 * Red and Blue: A strange seed was planted on it's back at birth. This plant sprouts and grows with this Pokemon.
 * Yellow: It can go for days without eating a single morsel. In the bulb on its back, it stores energy.

Gold, Silver, and Crystal Regional Pokedex: 226

 * Gold: The seed on its back is filled with nutrients. The seed grows steadily larger as its body grows.
 * Silver: It carries a seed on its back right from birth. As it grows older, the seed also grows larger.
 * Crystal: While it is young, it uses the nutrients that are stored in the seeds on its back in order to grow.

Ruby, Sapphire, and Emerald National Pokedex: 001

 * Ruby, Sapphire, and Emerald: Bulbasaur can be seen napping in bright sunlight. There is a seed on its back. By soaking up the sun's rays, the seed grows progressively larger.

FireRed and LeafGreen Regional Pokedex: 001

 * FireRed: There is a plant seed on its back right from the day this Pokémon is born. The seed slowly grows larger.
 * LeafGreen: A strange seed was planted on its back at birth. The plant sprouts and grows with this Pokémon.

Diamond, Pearl, and Platinum National Pokedex: 001

 * Diamond, Pearl, and Platinum: For some time after its birth, it grows by gaining nourishment from the seed on its back.

HeartGold and SoulSilver Regional Pokedex: 231

 * HeartGold: The seed on its back is filled with nutrients. The seed grows steadily larger as its body grows.
 * SoulSilver: It carries a seed on its back right from birth. As it grows older, the seed also grows larger.

Black and White National Pokedex: 001

 * Black and White: For some time after its birth, it grows by gaining nourishment from the seed on its back.

Black 2 and White 2 National Pokedex: 001

 * Black 2 and White 2: For some time after its birth, it grows by gaining nourishment from the seed on its back.

X and Y Central Pokedex: 080

 * =====OmegaRuby and AlphaSapphire National Pokedex: 001=====
 * =====OmegaRuby and AlphaSapphire National Pokedex: 001=====

Sword and Shield Pokedex: 068
Competitive usage

There is no real competitive benefits using Bulbasaur; you're better off just using eviolite Ivysaur or straight up Venusaur.