Oh, it could be, yes. Awesome indeed! This means that if you take control/describe the motion of the sakuras, you can recreate this pattern, and thus add an additional confusion/loss of balance to the genjutsu. And it makes me think, if you take control of the sakuras, you could even try to send messages/make images out of falling sakuras, which could be somewhat useful in certain situations. I love you, Mel!
Genjutsu: Kokuangyou Satsu (Illusion Technique: Infinite Darkness)
Rank: A
Type:Supplementary
Range:Short
Chakra Cost:30
Damage Points:N/A
Description: A binding illusion that binds the opponent in total darkness and eliminates smell and touch allowing user to attack freely.
This one was the jutsu used by Orochimaru. It removes sight, smell and touch (though it's a bit stupid because the Third was till able to feel pain from being continuously beaten and slashed by Orochimaru's minions). Either way, it is assumed that a pain superior than continuous superficial wounds is needed to release this jutsu.
Either way, it appears sound is not taken away so if you use silent techniques, like, for example, spikes, the opponent won't be able to say thay senses the ground vibrating, because to sense vibrations touch is required, and this jutsu removes it. If you use the spikes right after the genjutsu, the opponent shouldn't be adapted to the enhanced hearing provided by the loss of all other senses.