Bayleef Does Not Learn Sleep Powder in HeartGold/SoulSilver
Butterfree learns sleep powder at level 15.
Shroomish doesn't learn Sleep Powder.
sleep powder catch a butter free and level it up afew times then it will try to learn sleep powder
lv. 15.
Bulbasaur, Ivysaur, Venusaur, Butterfree, Oddish, Gloom, Vileplume, Venonat, Venomoth, Bellsprout, Weepinbell, Victreebel, Exeggcute, Tangela, Hoppip, Skiploom, Jumpluff, and Tangrowth can all learn sleep powder when they reach a certain level.
Bayleef Does Not Learn Sleep Powder in HeartGold/SoulSilver
Butterfree learns sleep powder at level 15.
Level 18
Lv 13 if you went over just go to the move re learner
The Pokémon who can learn Sleep Powder are Bulbasaur, Ivysaur, Venusaur, Butterfree, Oddish, Gloom, Vileplume, Venonat, Venomoth, Bellsprout, Weepinbell, Victreebel, Exeggcute, Tangela, Hoppip, Skiploom, Jumpluff and Tangrowth.
Use Sleep Powder and Leach Seed.
Kadabra does NOT learn sleep powder.
The exact level depends on which Pokemon it is.
Shroomish doesn't learn Sleep Powder.
Shroomish doesn't learn Sleep Powder.
In Pokémon Yellow, the moves that Bulbasaur are capable of learning via level-up are Vine Whip, Leech Seed, Sleep Powder, Poison Powder, Sweet Scent, Growth, Synthesis, Solar Beam and Razor Leaf. Bulbasaur would also know the moves of Tackle and Growl once the player receives it as a Gift Pokémon in Cerulean City.