In 1947, Jackson Pollock began making paintings by pouring or dripping paint onto canvas laid flat, rather than painting upright on an easel. This shift helped define what later critics called “action painting,” where the artist’s movements become visible in the paint’s paths. It marks the starting point of Pollock’s “drip period,” the focus of this timeline.
Pollock produced early poured works in 1947, including Alchemy, using commercial paints and working with the canvas on the floor. The painting is often cited as an early example of his new approach: paint lines and splatters that read like drawing, built up in layers. Works like this set the technical and visual groundwork for the larger, more complex drip paintings to come.
In Number 1A, 1948, Pollock worked horizontally on an unstretched canvas from the start and then built the surface through multiple methods, ending with dripping and pouring. Conservation research describes it as a bridge between earlier brush-based paintings and the more fully developed poured works. Details like handprints also show how directly Pollock engaged the canvas at this stage.
Pollock’s drip-era work reached wider critical attention through exhibitions at the Betty Parsons Gallery, which represented him after Peggy Guggenheim’s gallery closed. A key early moment was the Parsons show Jackson Pollock: Recent Paintings in January 1948. These gallery shows helped establish Pollock as a leading figure in the emerging New York School.
On August 8, 1949, Life magazine ran the article “Jackson Pollock: Is he the greatest living painter in the United States?” The feature brought Pollock’s drip paintings to a mass audience and helped turn an art-world debate into a public one. This publicity increased both interest and skepticism, shaping how his drip method was discussed for years.
Pollock painted Number 1, 1950 (Lavender Mist) in 1950 using poured and flung paint to build an “allover” surface without a single focal point. The National Gallery of Art notes that the method could look random to viewers, but Pollock controlled his technique. This work is widely treated as a classic statement of the drip approach at its peak.
Pollock completed One: Number 31, 1950 as a wall-sized drip painting made by pouring and splattering paint onto canvas laid on the floor. Works at this scale made the viewer’s experience more immersive and strengthened Pollock’s claim that he was reinventing what a painting could be. It is often grouped with other huge 1950 canvases as the high point of his drip period.
In 1950, photographer Hans Namuth photographed Pollock working on large drip canvases in his studio, creating influential images of the process. These photos helped cement the idea of “action painting,” emphasizing the physical act of painting as part of the artwork’s meaning. They also shaped later public memory of the drip period by showing the method in progress.
In 1950, Pollock created Autumn Rhythm (Number 30), a major example of his poured-painting style. The Metropolitan Museum of Art highlights how quickly his “drip” reinvention entered major museum collections, reflecting its rapid acceptance as an important modern art development. The work also shows how Pollock’s floor-based technique supported very large compositions.
In 1952, Pollock painted Blue Poles (also known as Number 11, 1952), using enamel and aluminum paint on canvas, with glass embedded in places. The work is commonly treated as one of the culminating paintings of the drip approach and one of his best-known late examples. Its strong vertical elements (“poles”) also show Pollock pushing the drip method toward a more structured composition.
On March 7, 1952, Pollock’s works from 1948–1951 were exhibited in Paris at Studio Paul Facchetti, an important step in extending the drip period’s impact beyond the United States. European exposure helped place Abstract Expressionism into a broader postwar modern art conversation. This moment also shows how quickly Pollock’s 1947–1951 innovations became internationally visible.
By the early 1950s, Pollock’s work began to move away from the classic multi-colored drip canvases that defined 1947–1952. Reference sources describe a turn toward darker “black” paintings after 1951, and his later output is often discussed as a change in direction rather than a continuation of the 1950 peak. This shift marks a clear endpoint for the “drip period” as a distinct phase in Abstract Expressionism.
Jackson Pollock's drip period (1947–1952)