You are correct. Using false surrounding is a very smark move.
You can change the surrounding of the target coupled with this jutsu into a forest, no just a forest, a living forest so as to mask the genjutsu and maybe decieve the target to thinking you are using a large scale wood jutsu..
You can layer this with Flower Petal Escape to make it so that the you that appear in a pod above the target is just a bunch of kinetic leaves.
You can also layer this with Mist Servant Technique so that instead of the only you apearing from the pod above, several you's would appear all around the vines. So instead of a single pod, you can make it a hundred pod.
You learned
( Genjutsu: Ingemame Ketsugō Sakkaku ) - Illusion Technique String Bean Binding Illusion
Rank: B
Type: Supplementary
Range: Short-Mid
Chakra Cost: 20
Damage points: N/A
Description: Similar to Illusion Technique: Tree Binding Death, the user will do the Dog → Hare → Snake → Ram hand seals and trigger an illusion where the user first disappears, while the target sees several bean vines growing from the ground around and beneath him. These vines bind the target body, lifting them into the air. Then a bean pod rises from the ground to reveal the user, ready to strike. In reality, the opponent is immobilized by the illusion, allowing the user to strike.
Similar to
( Magen: Jubaku Satsu ) - Demonic Illusion: Tree Binding Death
Rank: B
Type: Supplementary
Range: Short
Chakra Cost: 20
Damage Points: N/A
Description: The user makes five handseals, and appears to dissolve into a mist. Once they stealthily approach the target and get within short-range, the opponent feels completely immobilized, and believes they have been bound by a fast-growing tree and are unable to move. The user then appears as if they emerge from the tree to attack the target. In reality, the target is immobilized, allowing the user to strike or interrogate them.
Now apart from layering, there are favorable conditions you can use this. Combine this perfectly with other jutsu or moves apart from genjutsu.
Hint: Draw a scenario.