Olive harvest the pits?
Good prices are cold comfort when there is little fruit to sell. That has long been the paradox of California’s table-olive country: a proud, century-old industry pressed between a stubbornly alternating crop, a thin labour supply and a tide of cheaper imported olives.
Almost every black ‘ripe’ olive that lands on an American pizza or in a supermarket can once came from California’s Central and Sacramento valleys. The state has grown table olives commercially since the late nineteenth century, and for decades a handful of processors around Corning, Lindsay and the San Joaquin ran the whole show. Yet growers have spent much of the past twenty years pulling trees out rather than planting them, and understanding why says a great deal about how the modern olive trade really works.
A crop that swings by nature
The olive is an alternate-bearing tree: a heavy year tends to be followed by a light one, because a big crop exhausts the tree and starves next spring’s flowering. On top of that natural rhythm, table olives are fussy about weather at bloom — a cold, wet, or windy spell during the few days of flowering scatters the fruit set and can turn a promising season into a thin one. Growers can nudge these swings with pruning and irrigation, but they can never fully tame them. A year of strong prices and a poor set is not a windfall; it is a season where many groves cannot pick enough tonnage to cover the cost of picking it.
Hand labour and the price of a pitted olive
Table olives, unlike oil olives, are largely picked by hand: the fruit must arrive unbruised to survive the lye cure and canning that give the American ‘ripe’ olive its jet-black colour and mild taste. That makes the crop expensive and exposed to labour shortages in a way a machine-harvested oil grove is not. When the sums stop working — high wages, a light crop, flat farm-gate prices — growers do the rational thing and replace olives with almonds or pistachios, which is exactly what has thinned California’s olive acreage over the years.
The imported-olive squeeze
The other half of the story is competition. Spain, Morocco, Egypt, Argentina and Turkey can all land table olives in the United States more cheaply than California can grow them, and they have taken firm hold of the low-cost food-service trade — the sliced and diced olives on chain-restaurant pizzas. California has largely conceded that ground and defended the branded retail can instead, where ‘grown in California’ still carries weight. It is the same pattern you see across the olive world: a domestic industry retreats to the premium, traceable end of the shelf while the commodity volume goes to whoever is cheapest that year.
| California ripe olives | Imported food-service olives | |
|---|---|---|
| Typical use | Branded retail cans, whole and sliced | Chain-restaurant pizza and catering |
| Harvest | Hand-picked, unbruised | Often mechanised, lower grade |
| Cost base | High wages, alternate crop | Cheaper land and labour |
| Selling point | Origin and consistency | Price |
What it means if you buy them
- The mild black ‘ripe’ olive is a processing style, not a variety — most are Manzanillo or Sevillano, lye-cured and canned.
- ‘Grown in California’ on a can is a genuine origin claim, and usually the pricier option for a reason.
- A cheap catering olive is not fraudulent — it is simply a commodity product bought on price.
- Crop size swings year to year, so don’t read a shortage as a scandal; it is often just the tree’s natural rhythm.
California table olives: common questions
Where do most American canned olives come from?
Overwhelmingly from California’s Central and Sacramento valleys, which have grown table olives commercially since the late 1800s.
Why does the crop change so much year to year?
The olive is alternate-bearing — a heavy year is usually followed by a light one — and cold or wet weather during the brief spring bloom can badly cut the fruit set.
Why has California’s olive acreage shrunk?
High hand-picking costs, swinging crops and cheap imports have pushed many growers to replace olives with more profitable almonds and pistachios.
Are imported olives lower quality?
Not necessarily — but the imported trade competes chiefly on price for food service, while California defends the branded, origin-labelled retail can.
What variety is the black ‘ripe’ olive?
Usually Manzanillo or Sevillano. The jet-black colour comes from a lye cure and canning process, not from the variety itself.
Here is the trade reality behind the can. That mild, uniform black ‘ripe’ olive is a triumph of processing, not of nature — a lye cure strips the bitterness and sets the colour, which is why every can tastes much the same. The interesting olives in an American store are the ones that dodged that machine: the brined, unpitted, cracked and stuffed olives on the deli shelf. And when you read that California had a poor crop, don’t picture a crisis — picture a tired tree taking its year off, the way olives always have.
Drawn from California table-olive industry background and long-standing US market patterns; crop figures vary year to year and are described qualitatively.