at lv16 it becomes grovyle. At lv36 it becomes sceptile
treecko will evolve at level 16 I think.
Treecko evolves at level 16. Treecko evolves into Grovyle.
treecko evolve l16 to grovyle then to l36 to sceptile
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evolve treecko into grovyle.then level grovyle to lv.29.
Gravler then into golomn if gravler is traded
level 16
at level 16 it will evolve to a grovyle and after that it is 36 to a sceptile.
it evolvels at 16
Treecko evovles levels 16,17,18 or 19
treecko it evolve into grovile which evolves into sceptile
train it untill its level 25. keep battling it with pokemon it can manage.