No, you cannot.
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You can not catch it in leafgreen,but in firered you can.
You can catch Lugia at Navel Rock.
Trade from Pokemon leafgreen or firered
Catch it. It's in stark mountain, for instance.
Nowhere no hoenn Pokemon can be captured in leafgreen.
Rayquaza is not in leafgreen, trade one from ruby, sapphire or emerald to leafgreen.You can't without an AR.
Catch 'em all
"How do I get an ekans in Pokemon leafgreen?"You can't catch an ekans in Pokemon leafgreen, but you can catch it in Pokemon firered and trade it.I got my Ekans at route 10 at lv. 4
you cant get toros on leafgreen you need to catch one on firered and trade it to leafgreen
You can't get mew in firered or leafgreen.