This parable appears only in Mark, set between the Parable of the Sower and the Parable of the Mustard Seed. All three use the same image of seed and ground, and each turns it a different way. The Sower examines the soil. The Mustard Seed contrasts a small beginning with a great end. The Growing Seed looks at neither the soil nor the size, but at the process itself, and at who is responsible for it.
"And he said, So is the kingdom of God, as if a man should cast seed into the ground; and should sleep, and rise night and day, and the seed should spring and grow up, he knoweth not how. For the earth bringeth forth fruit of herself; first the blade, then the ear, after that the full corn in the ear. But when the fruit is brought forth, immediately he putteth in the sickle, because the harvest is come."1
A Man Who Casts Seed and Does Nothing Else
The parable opens with a single act: a man casts seed into the ground. The kingdom of God is likened to that act, not to anything the man does afterward. Palestinian farmers of that period sowed by broadcasting, scattering handfuls of seed across a plowed field rather than placing each seed individually, and once the seed left the hand it was gone from sight and beyond further help. The man's part in this parable begins and ends there. He plants, and the text moves immediately to what happens without him.
What comes next describes an ordinary life continuing. He sleeps and rises, night and day, and the days pass in the usual pattern of any farmer's household. He is not described watching the ground or laboring over it. The growth of the seed does not require his attention, and the parable does not credit his effort for what follows. The kingdom advances through a man's sowing, and the sowing is real work, but the growth belongs to something the sower does not supply.
What the Farmer Does Not Know
"He knoweth not how." This is the center of the parable, and Jesus states it as a fact rather than an embarrassment. The farmer of that century knew perfectly well that seeds grew; what he could not explain was the process by which a buried grain became a green blade and then a ripened ear. He watched the result without comprehending the mechanism, and Jesus uses that ordinary ignorance to describe something greater than agriculture. The kingdom grows by a power its own sowers cannot trace, let alone produce.
Paul draws the same line when he writes of his own labor and Apollos's: "I have planted, Apollos watered; but God gave the increase. So then neither is he that planteth any thing, neither he that watereth; but God that giveth the increase."2 Planting and watering are named as real acts with real value, and neither one is named as the cause of the increase. The cause is God, working by a process no farmer, ancient or modern, can put his hand on and explain.
A Growth That Needs No Outside Hand
"For the earth bringeth forth fruit of herself; first the blade, then the ear, after that the full corn in the ear." The phrase rendered "of herself" translates a Greek word used only one other time in the New Testament, in the account of the prison gate that opened to Peter "of his own accord."3 In both places the word marks something that acts without an outside hand pushing it, a door opening on its own, a field producing on its own. The growth described here is not automatic in the sense of being uncaused; it is automatic in the sense of proceeding from a life already planted in it, needing no further intervention from the man who planted it.
The three stages named, blade, ear, and full corn, mark a real sequence rather than a single event. Barley and wheat, the staple grains of that country, passed visibly through these stages on their way from a bare shoot to a head heavy with grain, and each stage looked different from the one before it. Nothing about the parable suggests that a man could skip from blade to full corn by wanting it, or that growth can be hurried past its own stages. The seed's life carries it forward in its own order, at its own pace.
The Harvest Comes When the Fruit Is Ready
"But when the fruit is brought forth, immediately he putteth in the sickle, because the harvest is come." The farmer returns to the scene only at the end, and his part here is exactly as limited as it was at the beginning. He did not make the fruit ripen, and he does not decide when it is ready. He recognizes readiness and acts on it. The sickle goes in immediately once the fruit stands ready, without delay and without needing to be told twice.
The language of the sickle echoes the prophet Joel: "Put ye in the sickle, for the harvest is ripe."4 Joel's harvest is a harvest of judgment, gathered because wickedness has come to its full measure. The same image applied here to the kingdom's own growth ties the ripening of grain to an appointed end rather than an open-ended process. What God begins in planting, He also brings to its finish. Paul states the same confidence toward the individual believer: "Being confident of this very thing, that he which hath begun a good work in you will perform it until the day of Jesus Christ."5
The Kingdom Grows by a Power Not Its Sower’s Own
The parable divides its attention almost equally between two things: the man's part and the seed's. His part is cast in a single verb at the start and a single verb at the end, sowing and reaping. Everything between those two acts, the germination, the ordering of the stages, the timing of the ripening, belongs to the seed and to the God who gave it life. The farmer neither hurries the process nor slows it. He sows in confidence and waits without anxiety, because the outcome was never his to secure.
This is the same confidence commended in the wisdom of Ecclesiastes: "In the morning sow thy seed, and in the evening withhold not thine hand: for thou knowest not whether shall prosper, either this or that."6 The uncertainty named there is not uncertainty about whether God can bring a harvest. It is the ordinary uncertainty of the sower, who cannot see the outcome from where he stands and sows anyway, because the work of sowing is his to do regardless of what he can or cannot foresee.
What the Parable Establishes
The parable does not divide labor and grace into competing claims. Both stand in the same sentence without tension. The man must sow; no crop follows an unsown field. But once the seed is in the ground, its growth answers to a life and a timetable the sower does not command. He can neither manufacture the blade nor delay the ear nor force the corn to ripen early. What is asked of him is sowing and readiness, not mastery over a process that was never given into his hands.
The kingdom of God advances the same way. Its growth in a single life or in the world at large does not depend on the ingenuity or the anxious effort of those who proclaim it. Sowing remains a genuine responsibility, carried out faithfully or carelessly, but the multiplication of what is sown belongs to a power the sower does not see at work and cannot explain when he does see its results. He plants, the days pass, and one day there is a harvest he did not build. That is the whole of the parable, and it is enough.
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