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🟢Clarion

Clarion

Clarion Fact Sheet (PDF)

Cross: VB86-4 (Seyval blanc × Pinot Noir) × Frontenac (Riparia 89 × Landot 4511)

Zone 5 / University Minnesota

Fruit quality*

  • Cluster weight: 119.8 g
  • Berry weight: 1.65 g
  • Soluble solids content: 23.84 °Brix
  • pH: 3.19
  • Total acidity: 7.73 g/L
  • Malate: 3.7 g/L

* Data based on harvests 2015-2019 at the Horticultural Research Center, Excelsior, MN

Wine quality

  • Flavour: Pear, citrus, melon, apricot, chamomile
  • pH: 3.25
  • Total acidity: 7.27
  • Ethanol: 13.84%

Vine attributes

  • Vigor: Medium
  • Trellis: High wire or VSP
  • Habit: Good upright growth habit
  • Budbreak: Similar to Marquette
  • Bloom: later than Frontenac or Marquette
  • Harvest: Mid-September; before La Crescent
  • Hardiness: USDA zone 5, marginal in zone 4

Disease resistance

Clarion has moderate susceptibility to powdery mildew and black rot. However, downy mildew and gray mould infections have not been recorded.