Lv 26
Rhydon at Lv 42.
In Pokemon leafgreen, slowpoke either evolves into slowbro at Lv.37 or slowking, when you give it the item King's Rock to hold and then trade it.
Both forms of Nidoran evolve at lv. 16, but you must have a moon stone to get it into a Nidoking or Queen. Hope this helps
I'm surprised you don't know this Ivysaur was in Blue, Red, Yellow, Firered and Leafgreen LV. 32
Mankey does evolve at lv. 28 in Fire Red / Leaf Green
you cannot evolve a porygon2 in leafgreen
you just evolve it at lv. 40
lv 50
Lv 26
Rhydon at Lv 42.
dragonair evolves on LV 55
Charmelon evolve on leaf green at level 36
Pidgeotto evolves at lv. 36.
Spearow evolves into Fearow at Lv 20.
dragonair evolves at lv 55 but dragonite doesnt evolve
yanma needs to know ancient power to evolve into yanmega. it will learn ancient power at lv 32 and lv it up again and it should evolve ino yanmega.