Originally Posted by Fat Princess of Johto
Not really, just save in front of the tree with Pokemon in it and hit your seed. Then advance to your target frame and headbutt (9.95 accounts for the advances from headbutting, so just advance directly to the frame with your target IVs/Nature/etc). The only problem is the encounter slots, they aren't mapped and I heard they're slightly different for every tree (even ones in the same area).
To that add that not all trees produce pokemon so check if the tree you saved in front of will or not yield a poke