Korea kannike "Syletta" Viola coreana
Viola koraiensis Nakai
For the rockgarden; ornamental foliage plant;
IV-VI, Z5-9, 10 cm;
violet-blue, leaves ovate, very decorative, silver marbled.

Family: Violaceae
Origin: Korea
Special Features: Heart-shaped leaves marbled with silver, excellent foliage plant.
Colour: Small, bluish-lilac-colored flowers
Natural Flowering Period: April - June
Winter Hardiness Zones: Z5-9
Growth Habit: Low and clumping
Foliage: Exquisite silvery coloring on each of the overlapping leaves.
Height with Flower: 10 cm
Spacing between Plants: 25 cm
Soil Requirement: Any well-drained soils, pH 5.8 - 6.8
Location: Full sun to partial shade
Use: Plant together with Alchemilla mollis "Select", Aruncus aethusifolius, Geranium macrorrhizum and Heuchera "Palace Purple Select".
Specialities: Outstanding, easy-to-grow foliage plant. Ideal for container production and impulse sales.

 

 

Cultural Tips:
Grams per 1000 seeds: 0,526
Seeds per Gram: 1900
Seeding Recommendation: 2g / 1000 plants
Sowing Rate: 3-4 seeds per cell
Plug tray recommended size(s): 72 or 128
Germination: These seeds germinate rapidly depending on species and origin. If germination does not occur after 3-4 weeks a cooling period of 2-4 weeks is recommended.

 

Scheduling:
Best Sowing Dates: Anytime
Sowing to Germination: 4 - 8 weeks
Germination to Transplant: 4 - 6 weeks
Transplanting to Salable Plant: 6 - 8 weeks
Cutting-Back at Transplanting: Not Necessary

 

Growing On:
Container Size(s): 1 plug per 8/9 cm; 1-2 plugs per 11/12 cm
Vernalization: A prudent recommendation would be to provide 6-12 weeks at an average daily temperature of 5°C. Exposure to cold may not be necessary for flowering but might improve quality.
Forcing: Early spring flowering. No forcing necessary.
Fertilization: Medium (150-200 ppm).