Emmerich Knoll plans the terrain to best advantage and tinkers with the finer details with the precision of a Swiss clock-maker. The Kellerberg is one of the finest individual locations in the world and because of its specific geological nature produces very special wines. Their minerality and singularity make them wines which consistently distinguish themselves.
Steinfelder is the name of the light, aromatic wines produced in the Wachau wine-growing region. The Steinfelder (Stipapinnata) - the feather-light grass of the steep vineyards of the valley landscape gave these cheerful wines their name. Steinfelder wines can be produced from all types of good quality Wachau white wines. The grapes are required to have a must weight of at least 15° KMW. The musts are always classically dry fermented. The alcohol content of these wines is a maximum 11.0 Vol.%, in other words, quite low. The Wachau is a wine-growing area that, due to its natural climate and soil conditions, allows wines to be pressed which have such a low alcohol content but which still fulfil the highest expectations in regard to charm and richness of nuance.
Federspiel - These are Wachau wines which have the Kabinett classification and a must weight of 17° KMW or more and an alcohol content of between 11.5 and 12.5 Vol.%. Without exception, these wines are classically dry-fermented and represent speciality wines which are achievable in this quality only in good locations and vintages. They are distinguished by their charmingly fruity character and their robust delicacy. The name Federspiel recalls the ancient custom of retrieving the hunting bird during falconry – a traditional form of hunting practised by the nobility in the Wachau in former times. Federspiel wines are an extension of the Steinfeder category and can be produced from all types of good quality white wine which are produced in the Wachau. They are pressed according to general legal requirements and are also subject to quality controls of the Vinea Wachau association.
Smaragd - This designation was first applied to wines of the 1986 vintage and now describes the best, most valuable wines from the Wachau. These wines, which have a minimum must weight of 18.2° KMW, ripen only on the sunniest vineyards and even then can be picked only in very good vintage years. Emerald (smaragd) lizards feel especially comfortable amongst the terraced vineyards of the Wachau. On fine days, they bask in the sun next to the grapevines and have become the symbol for Wachau wines with their mature physiological ripeness. These particularly valuable wines, with an alcohol content of 12.5 Vol.% or more can only be produced in the very best years. In keeping with ancient Wachau tradition they are dry-fermented until fermentation ceases naturally. Sweet wines with 9g/Lt or more of residual sugar are excluded. The bottles are sealed with long corks (min. 49 mm), which are stamped with the vintage. Even after 25 years or longer of being correctly stored these wines are still a source of joy. All types of good quality white wines are approved. Wines designated as “Smaragd” can only be sold after the 1st of May of the year following the grape harvest. The “Smaragd” wine category represents an exceptional Wachau speciality, which is therefore subject to appropriately stringent quality controls.