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Grape growing on Stord

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Calendar for grape growing

In the calendar I record various data from the vineyard. Below is a short list of the times that are important to get the most out of the plants.

  • January: Pruning
  • February: Natural fertilizer application - Pruning
  • March: Mineral fertilizer application
  • April: Maintenance of training wires
  • May: Planting out small plants that have overwintered in pots
  • June: Removing shoots that are too dense and tying up
  • July: Topping of shoots
  • August: Removing leaves in the grape zone
  • September–October: Harvesting of grapes
  • December: Winter pruning

White Wine Grapes

Author: Knut Sætrevik

Solaris

This is a fine German wine variety. It ripens early and has high sugar content (100°). For white wine this is one of the best varieties among those tested so far. It is moderately vigorous. Tolerates cold to -18°C. The grapes are yellow, medium-sized on medium clusters. Good sweet flavor.

Figure: Solaris

Solaris – green grape clusters on vine with handwritten "SOLARIS" label (high-res archival master from 2012)

Jubiley Nowgoroda

Information to come

Lilac

This variety is from Siberia, Biysk/Omsk, crossed by RF Sharova. It has beautiful loose clusters with medium-sized grapes that acquire a light pinkish-lilac color at full ripeness. For white wine it should certainly be harvested 1-2 weeks earlier to retain some of the acid structure in the juice. The variety has light muscat notes in the flavor. It is used as table fruit in Siberia. It may be a relevant blending variety for wine. The new shoots and grape stems have a fine red color like Siberian dogwood. It tolerates -30°C.

Figure: Lilac

Lilac – loose clusters with green grapes on red stems, label visible (2008)

Skujin 675

This is an early Russian variety. It develops good sugar. Small to medium grapes on small clusters. It tolerates down to -30°C. Medium growth. A number of wines have been produced from this in the Moscow region and the Baltic states with good success. However, in warmer summer climates such as Minnesota USA, where it ripens quickly, the wine is not of good quality.

Figure: Skujin 675

Skujin 675 – small to medium clusters on young vine with reddish shoots (2008)

Varduva (combo grape)

Varduva is recommended as a wine variety in the northern parts of Russia. It is unfortunately marginal when it comes to ripening in the open field, but it always has good pollination even when it rains during flowering. Varduva comes from Lithuania. Good against a wall.

Figure: Varduva

Varduva (combo grape) – clusters on reddish canes against wall, label and garden context with bucket (high-res archival master from 2012)

Photo taken by Knut Sætrevik

Author: Knut Sætrevik