Henry Vaughan opens by greeting a clump of trees as though it were a person, or a small green church. "Hail sacred shades! cool, leavy House!" is half salute, half prayer, and the grove is quickly made a confidant: "chaste treasurer of all my vows." The speaker remembers it as the place where he first revealed his beloved's "fair steps." "Betrayed" seems to mean disclosed rather than deceived, though the word keeps a flicker of secrecy and risk. What follows is a blessing pronounced over the grove, a list of what will be banished and what welcomed, and finally a prophecy that the trees will outlive their own decay.
The middle of the poem works by exclusion and invitation. Out go the "sad wing" and "hoarse bird of night," the raven and the owl, whose "fatal throat" might trouble the air. Only "Philomel," the classical name for the nightingale, may sing. Ivy is dismissed as "poisonous," its "false twists" scoring the oak, while woodbine is welcomed because it can "twine / As th'emblem of her love and mine." The poem thinks in moral pairs: ill omen against song, false clinging against true. How a plant grows becomes a verdict on faithfulness, and the lovers see themselves in the plant that embraces without harm.
Then the whole landscape is drawn into the courtship. The "amorous sun" sends "his best beams" to "play," the air is "active," and the moon shakes "dewy locks" over the leaves. Hair imagery runs quietly through the poem. The moon has locks, the grove has "green curls," and in old age it will be "clothe[d] ... in an aged gray." By giving the trees a head of hair, Vaughan lets us feel their decay as a human life ending, and when the "winds and tears / Of Heaven" bring it on, the rain itself seems to weep.
The form is light and quick: rhymed couplets in short, four-beat lines. Vaughan keeps breaking the sentences across the couplet ends, as in "awake the note / Of our laid echo, no voice dwell / Within these leaves, but Philomel." This makes the poem sound like spontaneous speech rather than a neat chant. "Laid echo" can be read as an echo hushed or put to rest, which suits the stillness he wants. Some rhymes are close rather than exact ("House" and "vows," "locks" and "drops"), which gives the verse an easy, unforced feel.
The turning point is a parenthesis: "(If ought a lover can foresee; / Or if we poets, prophets be)". It is both a hedge and a claim, modest in tone but making the old idea that poets can see beyond the present. The prophecy is that the grove will be "transplant'd" to "th'Elysian land." Elysium is a pagan paradise, yet the lovers return there to their "first innocence," a phrase with a strong Edenic ring. Classical and Christian ideas of paradise sit side by side without friction. The grove, which "first didst eye our growth and birth," is cast as a faithful witness, and it will witness them again.
The ending is strikingly plain. "And in thy shades, as now, so then, / We'll kiss, and smile, and walk again." These are monosyllables and three simple verbs, with "again" closing the poem. The balance of "as now, so then" carries the central idea. Heaven here is not a transformation but a repetition, the best of this world given back unchanged. Nothing grander than a walk among trees is wanted.
The poem is worth reading for that modest, tender ambition. It treats a place as a loyal companion, deserving a blessing and a promise of afterlife, and it shows poetry doing something close to magic: guarding a spot from bad omens, inviting in the sun and moon, and speaking its future into being. The beloved is never named, and the poem gives no sign of anyone beyond the pair and the trees. That intimacy, with the grove as the third presence, is what makes the poem feel so private and so warm.