Like moss agate, tree agate is believed to bring about abundant crops. It is also said to increase strength and perseverance, create a higher level of awareness, improve communication skills, and ease tension. Tree agate allows us to see our strengths, which brings about an increase in self-confidence, security, and inner peace. It gives us the clarity of vision to look at the world with a more positive view, and without getting overwhelmed with life's challenges. Tree agate is associated with the Zodiac signs of Capricorn and Taurus.