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.

Clarion grape cultivar

Clarion is a wine grape variety suited for making dry white wines. This variety has been evaluated as MN1220 for more than 20 years and continually produces top quality wines. The grape bunches are loose which can contribute to reduced disease and insect pressure for conventional production methods.

mnhardy.umn.edu

Clarion
Fruit quality*
Wine quality
Vine attributes
Disease resistance