Constance second early ware variety with a bright yellow skin and light yellow flesh colour.

  • Beautifull appearance
  • Uniform tuber size
  • Rather firm cooking

Tuber Characteristics

  • Skin Colour Yellow
  • Flesh ColourLight Yellow
  • Tuber ShapeOval Round
  • Tuber SizeQuite Large
  • Harvest DamageVery Sensitive
  • Dry Matter Content19,7%
  • Cooking Type AB
  • DormancyQuite Long

Plant Characteristics

  • Maturity Second Early
  • Foliage Initial Development Quite Fast
  • Flower ColourWhite


  • Virus – YnMinimum To Not Susceptible
  • Virus – Yntn (Tuber)Minimum Susceptible
  • Common ScabMinimum Susceptible
  • Powdery ScabVery Susceptible
  • Late Blight-TuberVery Susceptible
  • Late Blight-FoliageSusceptible
  • SpraingMinimum Susceptible
  • FusariumMinimum Susceptible

Harvest and Dormancy

Harvest: Wait at least three weeks after haulm killing, as Constance is very sensitive to harvest damage, but not sensitive to black spot. Constance can grow deep into the ridge.

Dormancy: Constance has an average dormancy and is suitable for medium term storage (6 months) at 4,5°C.

Growing Recommendations

  • Certified seed-used and seeds should not be cut,
  • To produce seed potatoes sholud be 18-20 cm between rows,
  • Should be 25-28 cm for Tableware,
  • Equipment must be disinfected during planting,
  • Seed fertilization should be done,
  • Should be alternation.