The visual logic of the painting is defined by the extraordinary verticality of the willows and the horizontal planes of the river and sky. Monet utilizes a palette dominated by soft greens, pale ochres, and muted blues to represent the summer light. The trees are simplified into rhythmic, vertical forms that lead the eye into the depth of the landscape. The sunlight is the primary actor, filtering through the foliage and creating a shimmering 'envelope' of light that unifies the scene. The brushwork is exceptionally free and gestural; he uses short, staccato dabs for the leaves and more fluid strokes for the river. This 'all-over' texture creates a vibrating surface that mimics the sensory experience of a breezy afternoon by the Seine. He avoids hard outlines, relying instead on the juxtaposition of color values to define the forms and the depth of the space.

Technically, The Willows showcases Monet’s early mastery of 'broken color' and tonal unity. He used a confident application of paint to build up the surface of the river and the bank, giving the scene a tangible presence. He avoids the use of black entirely, using deep blues and purples in the shadows to maintain the painting's overall luminosity. Historically, the Vétheuil period was a major professional turning point, reflecting a move toward the more contemplative and series-driven style of his later years. Today, held in major collections such as the National Gallery of Art and the Musée d'Orsay, the painting is admired for its lyrical beauty and its technical virtuosity. It remains a vital document of Monet's creative process, illustrating the bridge between his early outdoor observations and the visionary landscapes of his Giverny years.