Ilex Forest in not in Firered. Ilex Forest is located in Johto. It can only be reached in Gen II or in the unreleased Heartgold and SOulsilver in Gen. IV.
It is not possible to visit Ilex Forest in Pokemon FireRed as it's a location exclusive to Pokemon Gold, Silver and Crystal. Pokemon Gold, Silver and Crystal are the only Pokemon games that let you visit more than one Pokemon Region.
ilex forest isn't in pokemon white
ilex forest shrine
Celebi is the protector of the Ilex Forest.
how to pass in ilex forest
If you exit west from Azalea Town you will reach the Ilex Forest. You can also head south from Goldenrod City to get to the Ilex Forest.
Ilex forest is to the right of azelea town and south of goldenrod city
You get it in Ilex Forest.
in the Ilex Forest
ilex forest
It is in Ilex forest.
Ilex Forest