Bamboo Spike

A bamboo shoot sprouts under a creature of your choice.

The creature you cast the spell on must succeed on a Strength saving throw or be restrained by the bamboo shoot until the spell ends. A creature restrained by the plants can use its action to make a Strength check against your spell save DC. On a success, it frees itself. The creature also takes 1d4 piercing damage for every round he is restrained

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, the damage (both initial and later) increases by 1d4 for each slot level above 2nd.

When the spell ends, the conjured shoot retreats away.