Beat the final gym and talk to Jasmine at the top of Sunnyshore city
its a hm and its called strength
You can just reteach it since HM are reusable.
In platinum you don't get a HM in the Great Marsh. The HM that is there in diamond in pearl, HM05 Defog, has been moved to the Solaceon Ruins
You can find it at the Galactic Warehouse in Veilstone City.
you have to go to iron island and go to the entrance and riley will give you it.
The HM Whirlpool is not obtainable in Pokemon Platinum, for there is no use for it during gameplay.
Dig is not a HM in Pokemon Platinum but a TM, it can be found in the ruin maniacs cave.
in a Pokemon center
Select the Hm hit use and select Pokemon
In Pokemon Platinum, Flash is a TM.
you can get it in pokemon platinum!
its not an HM anymore you have to find it.
Surf is HM #3. :-)
its a hm and its called strength
The HM Strengt: You get it from Riley on Iron Island
at the city of the Pokemon league
Get the HM Surf then teach it to a pokemon.