READ · COMPARE · EXPLAIN
Bründlmayer: Two vineyards and white wine vessels
A producer based in Langenlois, Austria, crafting white wines from individual vineyards in Kamptal. For the Heiligenstein Riesling and the Lamm Grüner Veltliner, not only the grape varieties but also the soils and vinification vessels differ.
Compare the 2023 Heiligenstein and Lamm. Using the data, analyze fermentation vessels, lees handling, and bottling dates, and organize the comparison where vineyard and variety both change.
Questions for this course
If it's white wine from Kamptal from the same year, does it mean you'll be comparing only grape varieties?
Before you start reading, briefly jot down your thoughts. You will rephrase them at the end.
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To explanation task notes ↓Bründlmayer / Learn from Producers
Austria / Kamptal / Langenlois
Synonym/Label: Bründlmayer / Bründlmayer
Update date: 2026-09-24
Even in the same year, the grape variety and vineyard may change.
Heiligenstein 2023 is Riesling, and Lamm 2023 is Grüner Veltliner. The source for the former describes mainly sandstone soils, while for the latter it focuses on clay. Even if they share the same producer, vintage, and region (Kamptal), you cannot attribute aromatic differences to just grape variety alone.
Riesling fermented in stainless steel
The Heiligenstein juice ferments at 15–20°C in stainless steel, and then matures on fine lees until bottling. The 2023 documentation states the wine is bottled in July 2024. Beyond the grape variety, noting the vessel and contact with lees makes the winemaker’s choices more concrete.
From small to large barrels in Lamm
Lamm is fermented in 300L Austrian oak barrels that are 2–3 years old, along with a portion in new acacia barrels. After fermentation, the wine is transferred—with 5–10% of the lees—to 2,500L oak or acacia barrels. Simply summarizing this as 'wooden barrels' would lose distinctions in material, size, barrel age, and timing of transfer.
Reading bottling dates in vintage records
The bottling for the Lamm 2023 is recorded as February 11, 2025. Although this is later than that of the Heiligenstein from the same year, the two wines differ in both grape varieties and vessels. Rather than attributing all differences in flavor to the length of time alone, compare what else changed alongside it for each wine.
What to align and what to compare.
Raw material
- Conditions to standardize
- 2023, Kamptal
- Conditions for comparison.
- Grape variety and soil
- Additional points to confirm
- Do not treat it as a variety-only experiment.
Vessel
- Conditions to standardize
- Fermentation and maturation of white wine
- Conditions for comparison.
- Stainless steel and small/large barrels
- Additional points to confirm
- Separate material and capacity
Time
- Conditions to standardize
- The same vintage.
- Conditions for comparison.
- Bottling in July 2024 and February 2025
- Additional points to confirm
- Prioritize vintage-specific documents.
Order of reading and key points to consider in each article
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READ · HYPOTHESIZE · RECONSIDER
Bründlmayer documentation reading: Two vineyards and white wine vessels
Verify the subjects of the ingredients, processes, and sources, and confirm the conditions for comparison.
The numbers are based on technical data for the indicated year, or the product description at the time of confirmation. Where no year is specified, the description does not guarantee the specifications for all years or all shipments.
| Comparison items | Heiligenstein 2023 | Ram 2023 |
|---|---|---|
| Grapes | Riesling | Grüner Veltliner |
| Fermentation | Stainless steel | 300L oak, some new acacia |
| After fermentation. | Aged with fine lees in stainless steel | Portion of lees and 2,500L wooden barrels |
| Bottling | July 2024 | February 11, 2025 |
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When is a 300L barrel used in Lamm?
The materials state that fermentation occurs in 300L oak and, in part, new acacia barrels, then contents are transferred to a 2,500L wooden barrel. By matching the two vessel sizes to the process steps, you can explain the sequence.
Why can you not attribute the flavor differences between the two wines solely to the grape varieties?
The producer and the year 2023 are the same condition, but the vineyards, soils, and fermentation/maturation vessels are also different. Even in the same vintage, it is not a comparison limited to just the grape variety.
What is the bottling date in the annual data for Ram 2023?
In the bottling section of the 2023 documentation, the date is listed as February 11, 2025. The harvest year, fermentation, maturation, and bottling all occur at different times; you cannot determine the release date based on the year alone.
Basis and sources for the exercise
Practice exercises in comparison
Compare the raw materials and processes in the official documents and explain the insights you can derive from the comparison.
Read examples of organizing comparisons
| Conditions for Comparison | Heiligenstein 2023 | Ram 2023 |
|---|---|---|
| Grapes | Riesling | Grüner Veltliner |
| Fermentation | Stainless steel | 300L oak, some new acacia |
| After fermentation. | Aged with fine lees in stainless steel | Portion of lees and 2,500L wooden barrels |
| Bottling | July 2024 | February 11, 2025 |
Sources of materials used for comparison are listed in the text and exercises.
Explain in your own words
List the conditions that are the same and those that differ between the two wines, and explain the change in vessel from fermentation to maturation for Lam.
Check after writing
- Did you distinguish both variety and vineyard?
- Did you separate the processes for 300L and 2,500L?
- Is the bottling date being used as an indicator of quality of maturation?
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