Meaning of the yarrow stalk oracle

The yarrow stalk oracle is the oldest and most elaborate method of consulting the Yijing, and its meaning cannot be separated from the philosophical claim it embodies: that chance is not noise to be eliminated but signal to be read. Where Western probability calculus multiplies observations to cancel out the individual case, the yarrow oracle makes the individual case the entire point. Von Franz states the contrast precisely:

The Chinese make chance the focal point of their observation and attempt to see something law-conformable precisely in the chance occurrence. This of course presupposes a holistic view of nature. It presupposes that psychic and physical nature — outer and inner nature, cosmic nature as a whole — constitute an ultimate unity of meaning, which the questioner finds himself face to face with.

This is the metaphysical ground of the procedure. When the diviner divides forty-nine stalks into two heaps, suspends one stalk between the fingers to represent humanity standing between Heaven and Earth, and counts off by fours to represent the four seasons, the manipulation is not arbitrary ritual decoration. Each gesture enacts a cosmological claim: that the moment of the casting belongs to the same fabric as the moment of the question, that inner and outer are expressions of a single configuration of the Tao. Jung named this claim synchronicity — "a peculiar interdependence of objective events among themselves as well as with the subjective (psychic) states of the observer" (Psychology and Religion, ¶972) — and traced his first articulation of the term to his engagement with the Yijing and with Richard Wilhelm.

The procedure itself generates one of four line-values: old yang (9), old yin (6), young yang (7), young yin (8). The young lines are stable; the old lines are at the extremity of their own principle and therefore moving — tipping into their opposite, generating a second hexagram that shows where the present situation tends. Wilhelm and Baynes (1950) describe the arithmetic precisely: three successive operations each yield a numerical value of 2 or 3, and their sum determines the line character. Six such lines, built from bottom to top, produce the primary hexagram; any moving lines transform it into a related hexagram. Eighteen countings yield one complete figure.

What distinguishes the yarrow method from the coin oracle — which became popular only in the Southern Song dynasty — is both its asymmetry and its pace. Ritsema and Karcher (1994) note that the mathematical odds in the coin method are symmetrical: yin and yang lines are equally likely to move. The yarrow-stalk ratios are asymmetrical, reflecting what the tradition understood as an intrinsic tendency of yin toward stability and yang toward transformation. More practically, the yarrow procedure takes twenty to thirty minutes. Huang (1998) observes that this duration is not inefficiency but design: the repetition of dividing, counting, and setting aside induces a meditative state in which "the divine and the diviner become closely connected." The oracle is not a slot machine; it is a sustained act of attention.

The transformation from divination to wisdom literature is itself part of the oracle's meaning. Wilhelm (1950) locates the decisive shift with King Wen and the Duke of Zhou, who around 1150 BCE endowed the previously mute hexagrams with counsel for correct conduct. The question that made this necessary was not "what will happen?" but "what am I to do?" — a question that carries moral weight, that implicates the questioner in the outcome. Jung states the principle Jung drew from this directly: "the sixty-four hexagrams of the I Ching are the instrument by which the meaning of sixty-four different yet typical situations can be determined" (Psychology and Religion, ¶974). The hexagram does not predict; it names the archetypal situation already operative, and the line statements specify the particular moment within that situation's unfolding structure.

Von Franz (2014) notes a remarkable numerical parallel: the arithmetic of the Yijing — its binary structure of odd and even, its sixty-four combinations — is identical in its relational logic to the genetic code. The Chinese arrived at this numeric system through intuitive introspection; Western molecular biology arrived at it through laboratory experiment. Whether one takes this as coincidence or as evidence of the holistic unity the oracle presupposes, it suggests that the yarrow oracle is not primitive superstition but an early and sophisticated attempt to read the information structure of the moment.

Jung himself eventually stopped consulting the oracle. Von Franz (1975) records that toward the end of his life he found he always knew in advance what the answer would be — that his openness to the constellated meaning in the unconscious had become direct enough that the roundabout route through the stalks was no longer necessary. This is perhaps the oracle's deepest teaching about itself: it is a technique for making the unconscious active, a scaffold that becomes dispensable when the attentiveness it cultivates has been fully internalized.


  • I Ching — the Wilhelm-Baynes edition through which the oracle entered Western depth psychology, with Jung's foreword
  • Moving lines — the mechanism of transformation within a hexagram, where old yang and old yin tip into their opposites
  • Synchronicity — Jung's theoretical framework for the acausal connecting principle the oracle presupposes
  • Rudolf Ritsema — director of the Eranos Foundation whose 1994 translation recovers the pre-Confucian substrate of the Yi

Sources Cited

  • Jung, C.G., 1958, Psychology and Religion: West and East
  • Jung, C.G., 1960, The Structure and Dynamics of the Psyche
  • Jung, C.G., 1966, The Spirit in Man, Art, and Literature
  • von Franz, Marie-Louise, 2014, Psyche and Matter
  • von Franz, Marie-Louise, 1975, C.G. Jung: His Myth in Our Time
  • Wilhelm, Richard, and Baynes, Cary F., 1950, The I Ching or Book of Changes
  • Ritsema, Rudolf, and Karcher, Stephen, 1994, I Ching: The Classic Chinese Oracle of Change
  • Huang, Alfred, 1998, The Complete I Ching