Following the rejection by the fig tree in the parable, the search for a ruler continues as the trees approach the vine. While the vine may not have the impressive physical appearance of the fig tree, it remains a highly valued and important plant [ביאור שטיינזלץ].
On a historical level, the vine serves as a symbol for Gideon. This connection is rooted in Gideon's ancestry, as he descends from the tribe of Joseph. In Jacob's final blessings, Joseph himself was compared to a planted vine, making this imagery a direct reflection of Gideon's lineage [רש״י].
Conceptually, turning to the vine represents a group of people seeking practical, beneficial, and balanced leadership. The wine produced from the vine brings joy to the heart, clears the mind, and acts as a primary medicine. Similarly, the trees are searching for a ruler defined by wisdom and strong moral character. They desire a leader with deep political understanding who will guide them with justice and maintain a proper, functioning society [מלבי״ם].