A Posion Tree Summary

"A Poison Tree" is a poem about the damaging consequences of harboring anger and resentment.

  • The speaker contrasts two types of anger. His anger toward a friend is quickly resolved through an honest confrontation. However, when he feels anger for a "foe," he holds on to the anger instead of expressing it outwardly.
  • The speaker uses an extended metaphor to compare his suppressed anger to a tree. He nurtures his tree with "fears" and "deceitful wiles," and it grows until it bears a poisonous apple.
  • Unaware of the danger, the speaker's enemy consumes the apple and dies, leaving the speaker "glad."


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Last Updated on April 9, 2020, by eNotes Editorial. Word Count: 1782

First Quatrain

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On first contact with "A Poison Tree," a reader may be deceived by the apparent simplicity of the poem. It seems like one more example of the children's verses and nursery rhymes that had become popular and were being published in the later part of the eighteenth century. The most famous collection was the one attributed to "Mother Goose." Such verses were intended to teach children moral lessons through easy-to-remember rhymes and catchy rhythms.

"I was angry with my friend; / I told my wrath, my wrath did end," Blake begins. The language and sentiment are simple and hardly need to be explained even to a young child. Someone is speaking of his direct experience: He was angry at his friend. He told his friend that he was angry, and the result was that his anger went away. The whole thing is presented in a neat package tied up and resolved by the rhyme of "friend" and "end." In contrast to this way of handling anger, the speaker says, "I was angry with my foe: / I told it not, my wrath did grow." Again the verse seems clear and simple, and so, too, the lesson. When people do not say how they feel, the bad feeling becomes worse. The latter two lines of the quatrain, furthermore, seem to reinforce the wisdom of the first two: Say what you feel; do not suppress it, or things will get worse.

The analogy the reader is led to draw between the first set of two lines, or rhyming couplet, and the second couplet is not exact. The situations are different. In the first couplet, the speaker is angry at his friend; in the second, at his foe. This difference immediately makes the simple poem less simple. The lines are not really moralizing about confessing or concealing anger. They are referring to the way people classify other people as friends and foes and to the different ways people treat friends and foes. By extension, the poem considers the nature and consequences of anger, exploring how it grows and what it grows into.

Second Quatrain

The second quatrain, composed of two more rhyming couplets, seems less like a child's verse than the first quatrain. "And I waterd it in fears," the speaker says, "Night & morning with my tears: / And I sunned it with smiles, / And with soft deceitful wiles." In these lines, the speaker tells how he has tended and cultivated his anger, how he has made it grow. He is not suggesting a moral, as he does in the first quatrain, but he is examining a process. He is revealing the pleasure he takes in his own slyness. He also begins to speak using metaphor. Metaphor allows one thing to suggest or stand for something else. The "it" of the first line of the second quatrain refers to the speaker's wrath, but he speaks of his wrath not as if it were an emotion, which it is, but as if it were a small plant. He "waterd" his anger with his tears, and, using another metaphor, he "sunned it with smiles / And with soft deceitful wiles."

Wiles are sly tricks, strategies intended to deceive someone into trusting. The speaker is laying a trap for his foe, tempting him to desire something that seems alluring but is harmful. As he pretends to be friendly to his foe, the very act of being friendly strengthens his wrath. The false smiles he bestows on his foe act like sunshine on the plant of his wrath. The friendlier the speaker seems, the more hostile he really is, and the worse are his intentions. The clarity of innocence is gone. The speaker's behavior does not look like what it is. He is not what he seems. By using metaphor, by talking about anger as if it were a plant and about hypocrisy as if it were sunshine, the speaker represents the duplicity of his behavior in his language. He makes his behavior appear more attractive than it is.

Third Quatrain

What is a figure of speech, a metaphor, in the second quatrain seems to become the thing itself, an actual tree, in the third. "And it grew both day and night," the speaker says. The "it" must refer to his wrath, which he has been cultivating with "smiles, / And … soft deceitful wiles." In the second line of the third quatrain, however, "it" bears "an apple bright." The wrath has become an actual tree. Anger does not bear apples. Apple trees do. A feeling has been given so much weight that it has become a presence, an actual thing. The fruit of the speaker's wrath, then, is not like an apple on a tree, it is an apple. The speaker has made his anger seem like something else, and then it actually becomes something else. He has made something deadly become alluring and tempting to his foe.

By association, the speaker's anger, which has become a tempting apple, can remind the reader of the apple on the forbidden Tree of Knowledge in the Garden of Eden. That fruit seems as if it would offer a world of good, but in the Judeo-Christian story, it actually offers a world of woe. The apple of "A Poison Tree" is the same kind of apple. The reader may have the uneasy feeling that Blake is suggesting that in the Bible story, what is called God's love is really a form of wrath, that the God of the established Judeo-Christian religion is a god of wrath, not of love. Blake does believe that, as his longer poems repeatedly demonstrate. "A Poison Tree," a poem using metaphors becomes a metaphor. The relation of the angry speaker to his foe comes to stand for the story of an angry god and humankind.

Fourth Quatrain

The climax of "A Poison Tree" comes rushing on so swiftly that a break between verse paragraphs, which has marked movement from one quatrain to the next, no longer seems necessary. The first line of the final quatrain follows without a pause after the second couplet of the third: "And my foe beheld it shine. / And he knew that it was mine. / And into my garden stole." The repeated use of the word "and"—a poetic device called polysyndeton—at the beginning of each line shows how clearly one action leads to and follows another. Blake also accelerates the action of the poem by the way he uses the word "stole." "And into my garden stole" means that his foe came secretly into his garden. "Stole," however, also suggests thievery, what the foe sneaks into the garden to do under cover of darkness. By giving the word "stole" the strength he does, the speaker is emphasizing the culpability of his foe.

The culpability, in large part, has been created by the speaker himself. The speaker, the tempter, is the one who has laid snares for his foe and is responsible for them. The poem never reveals whether the person called the "foe" has a feeling of enmity, or ill will, toward the speaker or whether he realizes the speaker even considers him a foe. The poem tells nothing about what sort of person the "foe" is, why the speaker considers him a foe, or why he is angry with him. Stealing into the garden and eating the apple, moreover, is not necessarily an act of enmity. It is foremost an act of appetite, of desire, which, in fact, has been induced and stimulated by the speaker. The speaker, by using the word "stole," shows his own excitement at luring his foe into blameworthiness and transgression, and, unknowingly, he is indicting himself. The only thing Blake allows the speaker to say about his foe is that he "stole" into the garden "when the night had veild the pole." The polestar, that is, the fixed North Star, the star that mariners use to keep them on course, is obscured. In other words, the foe steals into the garden at a moment when, the metaphor of the veiled polestar reveals, his sense of moral direction has been impaired by the speaker's subterfuge.

The final couplet, "In the morning glad I see; / My foe outstretched beneath the tree," is more ambiguous than at first it may appear. How one decides to understand it determines how to understand the entire poem. The first problem of interpretation is whether "outstretched" means dead. If it does, as the reader is entitled to believe it does because the tree bears poison, then the couplet reveals the baseness of the speaker. It shows the pleasure the speaker takes at the fall of his enemy: In the morning, I am glad to see that my foe lies dead beneath the tree. If, however, "outstretched" means only outstretched—that the foe is not dead but that the apparently friendly relationship is poisoned and the foe realizes that his apparent friend is not his friend—then the problems of human confrontation, anger, and enmity remain, as they do for all people.

Another problem is that Blake's punctuation of the penultimate, or next to the last, line—"In the morning glad I see;"—allows two readings of the line. There is no punctuation until the semicolon at the end of the line. The word "glad" can be read as describing either "morning" or "I." If "glad" describes "morning," the interpretation is that in the happy morning, bright with light, as opposed to the "veiled" night, the speaker is seeing. If "glad" describes "I," the interpretation is that in the morning the speaker is happy to see the sight of his fallen foe. The first reading allows readers to see the speaker enlightened, even shocked by the effect of his anger, that it is fatal to his foe. The glad morning contrasts to the speaker's sober realization. The second interpretation allows readers to see the effect of anger on the character of the person who cultivates it. It is fatal to his innocent regard for humankind. Blake has changed the focus of the story from the Fall of human beings to the fall of God.

By making it a metaphor for the story of the Fall, Blake has constructed the poem so that the speaker's behavior, modeled on God's behavior in the Old Testament, represents God's behavior and the speaker represents God. Through his analysis and implicit condemnation of the speaker, Blake analyzes the vision that has created the god of the Old Testament and the attitude that this god embodies. Blake warns against that vision, that attitude, and that kind of god, identifying him as a god of wrath and cruelty rather than of love.