The Mustard Seed: "A Kingdom for the Unclean and Disorderly"

Unlike most parables in the gospels, the Mustard Seed (Mk 4:30-32/Mt 13:31-32/Lk 13:18-19/Thom 20) is an actual metaphor for the kingdom of God. Jesus likens the kingdom to a mustard shrub to which birds flock and make nests in the shade of its branches, mocking, in effect, the cedar of Lebanon (Ezek 17:22-24, 31:5-6; Dan 4:10-12; Ps 104:10-17). What do we make of a mustard shrub that has pretensions to such grandeur? Before answering this we need to address discrepancies regarding (1) where the mustard seed is planted and (2) what it grows into.

Where is the seed planted?

There’s no agreement where the mustard seed is planted. In Mark it is “on the land”; Matthew “in a field”; Luke “in a garden”; and Thomas “on tilled soil”. Mark and Luke could have claims to earliest tradition on this point. Brandon Scott prefers the latter, since the planting of mustard seed in a garden was forbidden in Jewish Palestine (Mishnah Kilayim 3:2), pointing to subversive originality (Hear Then the Parable, p 376). On the other hand, as he acknowledges in the same breath, Luke could have been simply conforming to Roman/urban custom, as he often does (as in Lk 5:19, altered from Mk 2:4). Matthew’s “in the field” is clearly his own stereotyped phrase (see Mt 13:36, 13:44, 24:18, 24:40), and Thomas’ “tilled soil” is a late idiosyncrasy. William Herzog goes with Mark:

“The seed is sown ‘on the land’, a reference to the Promised Land… Although this image is preferable to the ‘garden’ image in Luke, it is possible to read the reference to the garden as an image of the land as a new Eden, in which case the two variants are not so far apart as they seem.” (Jesus, Justice, and the Reign of God, p 206)

That’s a nice way of accommodating Luke “just in case”, but it seems safe to view his garden as much a product of evangelical redaction as Matthew’s field.(1)

What does the seed grow into?

In Mark’s version the mustard seed culminates in “the greatest of shrubs”; in Matthew it grows into “the greatest of shrubs” and then “a tree”; in Luke it grows right into “a tree”; and in Thomas it ends in “a great plant”. Matthew and Luke’s versions are inappropriate, since a mustard shrub obviously isn’t a tree. Mark has it right (Thomas offers a variant), but the question presses: how do we make sense of a shrub that has pretensions to be a tree in two gospels?

The myth originally undermined by Jesus (in Mark) and gradually reclaimed (halfway by Matthew, completely by Luke) is the cedar of Lebanon, an eschatological metaphor for Israel (Ezek 17:22-24, 31:5-6; Dan 4:10-12; Ps 104:10-17) depicting the fall of empires, nations humbled in Israel’s presence, beasts taking shade under the limbs, birds nesting in the branches. Jesus’ mustard shrub is a burlesque, a deliberate mockery of the cedar, though reincarnated into more holiness (the tree) by the time of Matthew and Luke.(2) As Scott explains it, “even though Jesus’ parables play against common wisdom, in the end common wisdom frequently wins, removing the parable’s fangs” (Hear Then the Parable, p 67).

What’s the meaning?

Despite Matthew and Luke’s attempts to sanitize, mustard seed is a sacrilegious metaphor for the kingdom, representing uncleanliness and disorder. Herzog summarizes:

“Once sown, it spreads like a weed, causing havoc on the ordered garden of the land. It also throws purity boundaries into confusion precisely because it spreads indiscriminately, thereby violating the prohibition against planting two kinds of seed in the same field (Lev 19:19; Deut 22:9). The mustard shrub becomes an agent of confusion and source of uncleanliness. The goal of sowing is not to turn it into something it isn’t (a tree) but to maximize what it is (a ubiquitous shrub), a force to be reckoned with. Like the land itself, the purpose of the shrub is to provide for others, the birds of the air.” (Jesus, Justice, and the Reign of God, p 206)

But Herzog marginalizes the future aspect of the kingdom — and Scott erases it altogether, saying that because “God’s mighty works are among the unclean and insignificant” the kingdom “will not meet grandiose expectations” (Hear Then the Parable, p 387). Like most members of the Jesus Seminar, Scott thinks Jesus preached a purely sappiential (here-and-now) kingdom of God. But the mustard shrub points to the apocalypse as much as the cedar of Lebanon. The fact that Jesus’ kingdom consists of low-lives doesn’t mean it will never meet grandiose expectations, only that it will meet grandiose expectations in surprising ways — the “reversal of fortunes” manner characteristic of millenial movements. Empires will still fall. God will wipe out the kingdoms of men. A restored Israel will rise from the ash, but it won’t be the Israel of David’s time. Jesus and his fisherfolk disciples will be sitting on thrones, and a whole new politic will be in play.

Like all of Jesus’ vulgarities (the Leaven, the Tares), the Mustard Shrub suggests a kingdom of pollution in which simple folk, sinners, and outcasts will be vindicated.

Endnotes

1. The Farrer theory makes best sense of the movement assumed here. On Scott’s assumption that “garden” is the original, the two-source theory offers the better explanation; but see further.

2. On the two-source theory, we’re stuck with “tree” in the earliest source (Luke/Q) instead of the latest. That’s what Scott thinks: “The Q tradition clearly saw the reference [to the cedar of Lebanon], and so the shrub became a tree, and Thomas and Mark sense the dilemma and refer to the great and the greatest.” (Hear Then the Parable, pp 385-386) Why would the earliest source “clearly see the reference” and sanitize so heavily, but not later sources? Once again, the Farrer theory makes good chronological sense: the movement from “shrub” to “shrub/tree” to “tree” (Mark to Matthew to Luke) shows the Christian movement becoming increasingly clean over time, as all millenial movements do when the apocalypse doesn’t come.

Bibliography

Herzog, William: Jesus, Justice, and the Reign of God, Westminster/John Knox, 2000.

Oakman, Douglas: Jesus and the Economic Questions of His Day, Edwin Mellen, 1987.

Scott, Bernard Brandon: Hear Then the Parable, Augsburg Fortress, 1989.

The complete series

The Prodigal Son
The Unmerciful Servant
The Mustard Seed
The Talents
The Dishonest Steward

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6 thoughts on “The Mustard Seed: "A Kingdom for the Unclean and Disorderly"

  1. Hi Loren,Thanks for another nice post. One question: Do you think it is sufficiently metaphorical to exclude it as a parable, instead deserving to be called an “allegory?” If not, where would you draw the line?

  2. You mean exclude an allegorical interpretation? I don’t think this parable was really an allegory, as if, for instance, the “birds” and “branches” represented anything too precise. But sometimes allegory and metaphor mix and are hard to ditinguish. By some definitions, the way I interpret the Mustard Shrub and Leaven might be considered allegorical. But real hard-core allegory is found in places like Mark’s parable of the Sower and Matthew’s intepretation of the Great Feast. Does this get at your question?

  3. Partially, though somewhat inadvertently. Many commentators (Perrin springs immediately to mind) suggest that there is a clear distinction between an “allegory” and a “parable.” I’ve never been convinced that the line is all that hard, if it existed at all. Luke and Matthew, as recipients of allegorical parables in Mark, for example, seem to think they’re still parables.I suppose I was wondering if you think such a distinction exists, and if so, if this crossed that line?

  4. Perrin’s distinction doesn’t hold, because parables certainly can be allegories (the Markan Sower, the Matthean Great Feast, the Synoptic Wicked tenants). But they can also be metaphors (the Mustard Seed, the Leaven, the Tares), or folk tales (the Prodigal Son, the Talents, the Unmerciful Servant). And sometimes metaphor mixes with allegory — and in a folk tale to boot 🙂

  5. Loren,I know that you posted this over a year ago, but I was just doing some research into mustard seeds/shrubs and was <>ABSOLUTELY DELIGHTED<> to find your article. It’s interesting that we so often see this as a story about small beginnings but fail to see the messiness of the mustard shrub. It seems very apparent that the manifestation of the reign of God is subversive. I love it. That speaks to my heart. The “small beginnings” interpretation sounds like a speech one might hear from a motivational speaker, perhaps Robert Schuller. I’m further and further convinced that Jesus had little in common with the empire builders of today’s church.

  6. Where to start?
    The various places for sowing the seed all make sense allegorically, well, I don’t know if I understand what the writer that used “garden” was thinking. “Field” is allegorically this material world. Land in its various forms are our various states of consciousness. A mount, is an exalted or spiritual state, a plain would be a lower more stable state of mind. Land in general, probably just our normal material consciousness, which also makes sense as a place to plant spiritual seed. (Often the particular kind of thinking meant by a land is indicated by the name it is given and/or the terrain type). Tilled soil would be a state of mind particularly ready to receive to receive spiritual teaching (good ground in the parable of the sower), which of course also works in this allegory.
    Now, wheat is the normal allegorical term for what the mustard seed is representing here, so this parable is qualified with the opening “the kingdom is like…” in one of its various forms. This form of opening shouldn’t be taken very literally. It is as though we might say, “my job is like…” and then go on to comment on it in any of a thousand different ways, from any of a number of different perspectives.
    Bread, of course, represents spiritual teaching, wheat seed would be something spiritual, but not quite a lesson or teaching. Mustard seed is substituted for wheat seed in this parable because the point that is being made is how surprisingly large the spiritual result is from what we are first take to be a relatively trivial teaching. The ratio between the size of the wheat seed and the final plant is much less than in the case of the mustard seed.
    If you haven’t experienced some spiritual insight or some growth in your spiritual understanding at some point, this parable will be meaningless to you. If you have experienced it, it will make perfect sense. Of course there is still more to this parable with the birds and all.

    A somewhat similar spiritual teaching is at Mark 4:26-29 where the kingdom is likened to seed that is cast into the ground and after some days it sprouts and we know not how.
    When we prepare a meal or clean our house we pretty much know just what effort is required and just what the result will be. On the spiritual path we have an idea what we should be doing, but not always a very clear idea. We believe that God will reward our efforts, but exactly how is almost never clear. In my experience the results nearly always surprise, and I want to say with the psalmist, “my cup runneth over.”
    Some of the Psalms express the loneliness of seemingly being forsaken by a God that isn’t heeding our calls and then there are the psalms praising the unbelievable bounty we sometimes receive. I find the spiritual path very much like that.

    Al a. Gary

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