Stuttgart is a large, mid-early, golden yellow, flat onion. It can be kept really well. It gets up to about 45 cm in size. It has a delicious, mild, flavour and it's hardy. Use it in stews, salads, soups and in all other dishes which requires onion.
     
                 
                    
                    
    Indoor sowing: march - april
Outdoor sowing: june - august
Germination temp.: 9-15 °C
Germination: 10-12 days
Sowing depth: 1-1½ cm
Plant distance: 12 cm
Row distance: 30-45 cm
Plant position: sunny
Harvest period: september - october
 
Sow indoors from march on in trays with good sowing soil.  Transplant      the seedlings from april on (avoid frosts). Clip the  seedlings to 8     cm  and plant them about 6 cm deep. Keep moist and weed  free.
 
Sow outdoors from june (avoid frosts), when the soil is warmed up, in       rows 30-45 cm apart. Thin to 12 cm apart when the seedlings are    about    15 cm tall. Keep moist and weed free.
 
Harvest when the tops are brown and dry by pulling up the bulbs.       Onions need fertile, moist soil enriched with compost. Don't sow or       plant onions on a plot where onions have grown in the preceding year.       These onions can be stored in a dry, cool and dark place. Some  people  say that growing plants with a strong odour should be grown in  the  proximity of onions to disturb the onionfly. Think plants like   chamomile, carrots and summer savory.