Cider apple
Kaiser Wilhelm
A large Rhineland apple raised in the 1860s and named for the German Emperor, grown as a dessert and cooking fruit and pressed for Most where the crop exceeds the table.
Also written Kaiser Wilhelm Apfel, Peter Broich.
- Classification
- Not classified under any recorded system
- Harvest
- Late (Late October)
- Single varietal
- Rarely bottled on its own
- Blend role
- Aroma, Sugar and body
- Origin
- Witzhelden, Rhineland, Germany
- Species
- Malus domestica
- Flowering
- Pollination group 3
- Vigour
- Vigorous
- Biennial bearing
- Markedly biennial — heavy and light years alternate
- Keeping
- Good
How it is classified
No classification scheme has been recorded for Kaiser Wilhelm. That is common outside Europe: the English, French and Spanish systems were each built for their own fruit, and a cultivar grown where none of them applies simply has no class. What the fruit contributes to a blend is described below regardless — the class is a shorthand for that, not a substitute.
What it contributes to a blend
A direction, not a measurement. These bands are the level of resolution the evidence supports, and they say which way adding this fruit pushes a blend rather than what the finished cider will be.
| Axis | Typical | Range |
|---|---|---|
| Acid | Moderate | |
| Tannin | Negligible | |
| Sugar | High | |
| Bitterness | None | |
| Astringency | None | |
| Aroma | Present | |
| Body | Medium |
Description as a large, aromatic, dual-purpose German apple. No registered classification scheme covers German fruit.
Large, sweet-tart and aromatic, with a red-flushed skin and a texture that holds up in cooking.
Aroma
Descriptors associated with this fruit. Each names a character with a known cause, and association is not a promise — what reaches the glass depends on the ferment as much as on the apple.
- Ripe apple — Full orchard-apple aroma from the acetate esters an apple accumulates through ripening and carries into the finished drink.
Measured analysis
CiderHQ holds no sourced juice analysis for Kaiser Wilhelm. Figures for this cultivar circulate, but they reach the present through compilation rather than through the original tables, and publishing a number we cannot attribute would give it an authority it has not earned. What is known about how the fruit behaves is described above and below.
In the orchard
- Harvest window
- Late
- Flowering
- Pollination group 3
- Vigour
- Vigorous
- Cropping
- Markedly biennial — heavy and light years alternate
- Keeping
- Good
Juice and pressing
- Good sugar and aroma
- Moderate acid
- No tannin
How it is used
- Eating and cooking, which is its primary use
- Most and juice from surplus fruit
- A common tree in western German meadow orchards
On its own
Rarely bottled on its own
It would make an aromatic, soft, structureless drink; German producers who want that generally use it in a blend.
About Kaiser Wilhelm
Kaiser Wilhelm is a dessert apple that reaches cider by the side door, and its inclusion here is deliberate. German Most and Apfelwein are made from whatever the orchard produces, and in a region without purpose-grown cider cultivars that means large quantities of dual-purpose and dessert fruit go to the press every year.
Its history illustrates something about how apples get named. It was raised in the Rhineland in the 1860s under a grower’s name and renamed for the Emperor within a decade — a piece of commercial patriotism that worked, since the imperial name is the one that survived. Cultivar names are marketing artefacts as often as they are descriptions, and a grand name usually indicates a nineteenth-century nursery rather than a farm.
What it contributes to a blend is sugar and aroma. In the German context that is genuinely useful, because the region’s hard press apples supply acid and volume and very little else. It is one half of the standard German solution to a structural problem the tradition cannot solve with fruit alone.
Names, origin and identity
Cultivar naming is the hardest problem in cider fruit data. The same tree carries different names across ten miles, and two different trees have shared a name for two centuries.
Origin · traditional account
German pomological literature attributes it to a Rhineland raiser in the 1860s, with the imperial name applied a decade or so later. The attribution is consistent; CiderHQ has not verified an original record.
| Name | Kind | Note |
|---|---|---|
| Peter Broich | Historic spelling | Rhineland. Recorded as the name the fruit carried before it was renamed for the Emperor. |
Related cultivars
Recorded relationships, including the ones this fruit is routinely confused with.
Fruit that plays a similar part
Cultivars sharing a classification under the same system and a comparable role in a blend. Not a similarity score — a stated relationship.
Golden Delicious
A West Virginia chance seedling of about 1890 that became one of the most planted and most bred-from apples in history — high in sugar, low in acid, and by volume one of the largest single inputs to cider worldwide.
Golden Russet
The highest-gravity fruit in widespread North American cider use — a small bronze russet from New York whose juice regularly presses above 1.060 and which many revival makers treat as their benchmark cultivar.
Wickson Crab
A Californian dessert crab raised by Albert Etter, exceptional for carrying very high sugar and very high acid at the same time, and now one of the most sought-after cider cultivars in North America.
Braeburn
A New Zealand chance seedling found near Motueka in the 1950s, sharper and denser than most modern dessert apples, and one of the better commercial cultivars available to a cider blender.
Cortland
A 1898 Geneva cross of Ben Davis and McIntosh, released in 1915, whose flesh browns unusually slowly — a property that made it a salad apple and makes its juice unusually resistant to oxidative browning.
Manttoni
A Basque cultivar of good reputation with balanced acid and pronounced aroma, one of the cultivars a *sagardotegi* will name when describing a serious blend.
Styles it is characteristic of
Where it grows
What people ask next
Questions readers ask about the things this page mentions. Each one goes to the section that answers it rather than to a page written to receive the question.
- How do you blend cider
- Where does a ripe apple aroma in cider come from — Full orchard-apple aroma from the acetate esters an apple accumulates through ripening and carries into the finished drink.
- What is apfelwein — Apfelwein is the dry, still, tart apple cider of Hessen in Germany, known locally as Ebbelwoi and served from a stoneware jug into a ridged glass. Despite the name it is a cider, not a wine in any technical sense.
- Do you need to sort apples before pressing
- Why is apfelwein associated with frankfurt — Hessen kept a dense landscape of scattered orchard trees around Frankfurt and a network of pressing works to work them, and the drink became a city institution with its own glass, its own jug and its own taverns.
- What is most the drink — In Austria, southern Germany and Switzerland *Most* is fermented apple or pear juice — the local cider. Confusingly, *Süßmost* is the unfermented juice, so the word alone does not tell you whether there is alcohol in the glass.
Where to go next
- How cider apples are classified — Why there are four schemes and none of them is universal.
- The blend explorer — See which way changing the proportions moves a blend.
- Blending — What a cider maker is actually deciding when they build a blend.
Sources
What this page rests on. Where a source is marked as registered rather than read, CiderHQ is recording that the body is authoritative on the subject without claiming to have worked through the document itself. See our evidence policy for what each state means.
Hochschule Geisenheim University — beverage technology
Hochschule Geisenheim · university · retrieved 2026-08-24
German beverage-technology research covering apple wine and fruit juice processing, including the enzymology of clarification.
University of Reading / Defra, Brogdale · research institute · retrieved 2026-08-24
The UK national reference collection for apple and pear cultivars. The authority CiderHQ uses for whether two names are the same fruit, which is the central duplicate-resolution problem in cider data.
Traditional record Evidence standard for this record. What that means.