Few poems open with a confession as cheerfully reckless as "I am drunk." Shelley's eleven-line fragment then explains what the speaker has been drinking, and the answer is a neat sleight of hand: it isn't drink at all, but the scent of a flower. The "honey wine" comes from "moon-unfolded eglantine," a sweet-smelling wild rose that opens under the moon, and the fairies catch it in "hyacinth bowls." Perfume becomes liquid, blossoms become cups, and the whole night garden turns into a banquet.
The central idea seems to be that natural beauty can intoxicate, and that this joy is not the speaker's private treat. After three lines of "I," the poem swings away to "the bats, the dormice, and the moles," creatures that sleep "in the walls or under the sward." When the wine is "spilt on the summer earth" and its "fumes arise among the dew," it seeps into their sleep, and "their jocund dreams are full of mirth." Delight here works like weather: it settles on everything, from the speaker to the smallest burrowing animal.
The setting adds a twist. A "desolate castle yard" suggests a place once ruled by people and now abandoned. Yet the word "desolate" sits only a few lines from "jocund" and "mirth," and the emptiness never feels sad. Judging by the imagery, the ruin is no monument to loss. It is simply a place where the animals have taken over, and where the fairies' wine can do its work unobserved. The poem quietly prefers the overlooked and the nocturnal to the grand and the human.
The form matches this lightness. Most of the poem moves in tight couplets: wine and eglantine, bowls and moles, sward and yard. They give it a skipping, nursery-rhyme bounce that suits its fairy subject. Then the pattern loosens. "Earth" and "mirth" frame "dew" and "few," and the final line adds "new," so that the poem ends on three lines chiming together, as though the rhyme has been spilt too. The lines are mostly four-beat, but many carry an extra unstressed syllable ("Which fairies catch in hyacinth bowls," "Of the fairies bear those bowls so new!"). The rhythm therefore trips and tumbles instead of marching, a little like the speaker.
Sound does a good deal of the work as well. The opening is full of soft, rounded sounds: "honey wine," "moon-unfolded," "moles," "sleep." They slow the reader down into a drowsy, contented mood. Against these, the word "gibber" is a small comic jolt. It usually suggests muddled, chattering nonsense, and here it describes sleeping animals muttering their happiness. Their joy is too big and too silly for proper words, which makes it feel both funny and real.
The last line, "for few / Of the fairies bear those bowls so new!", is the hardest to pin down. It may hint that the freshest, newest wine is rare and that only a few fairies carry it, which would make the spilling a precious accident. The exclamation mark gives it the tone of a boast. The logic stays slippery, but that suits a poem called a "fragment," which seems to admit it is unfinished. It reads like a dream caught halfway, and its loose ending is part of its charm.
What makes the poem worth reading is how much it packs into a few lines. It is a small example of the Romantic habit of treating nature as something that can transform the senses, and here smell becomes taste, taste becomes intoxication, and intoxication becomes dream. It also shows Shelley's imagination at play, creating a miniature world with its own rules, in which a flower's perfume can send a mole to sleep with a smile. A reader comes away thinking about how a poem can make something as ordinary as a garden at night feel like a secret party.