By a leaf stone (vileplume) or sun stone (bellossom)
catch a gloom and use the sun stone.catch gloom at sapphari zone or outside it
it evovle at 16
If you mean water pokemon then they all evovle at a certain order.
it will evovle at level forty-five
Oddish-Lvl 21-Gloom-Leaf Stone-Vileplume Exeggcute-Leaf Stone-Exeggutor Bellsprout-Lvl 24-Weepinbell-Leaf Stone-Victreebell Seedot-Lvl 14-Nuzleaf-Leaf Stone-Shiftry
no
Magikarp don,t evovle with a stone it evovle at lvl 31 i think i.
train it
garados
It has.
Ninetales
it doesn't