Short Answer 
The poem discusses the historical context of Japanese internment during World War II, highlighting the personal experience of a Japanese girl forming a friendship with an American girl amidst forced separation. The symbolism of tomatoes and the act of giving tomato seeds reflect the emotional impact of loss and the longing for freedom in the face of confinement.
Step 1: Understanding the Background
The poem reflects a historical context where an executive order was enacted during World War II, leading to the internment of individuals with foreign enemy ancestry, particularly Japanese, Italians, and Germans. This resulted in many being forced into internment camps, which were essentially facilities that confined them without any legal trial. The significance of this background is crucial for grasping the emotional weight presented in the poem.
Step 2: Analyzing the Japanese Girl’s Experience
The voice within the poem represents a Japanese girl who is directly affected by the internment policies. Despite her difficult situation, she has managed to form a bonding friendship with an American girl. The poem alludes to the heartache of forced separation, as the girl reflects on her life, friendships, and how her situation is about to change. This adds depth to her character and shows how personal relationships transcend political boundaries.
Step 3: The Symbolism of Tomatoes and Farewell
The mention of tomatoes in the poem serves as a powerful symbol of the girl’s lost freedoms and the environment she is being relocated to. When she expresses her intention to give tomato seeds to her friend, it signifies their impending separation and the sadness of not being able to plant them together. This poignant gesture underscores the emotional toll of the internment experience, illustrating a deep sense of loss and longing for freedom amidst confinement.