EVERGREEN

Plant Encyclopedia

Viola ×wittrockiana

Viola ×wittrockiana (tufted pansies)

Japanese name: ビオラ
Scientific name: Viola ×wittrockiana

Viola ×wittrockiana

[Overview]
This refers to those pansies that are small and grow in tufts.
The characteristics of Viola cornuta are said to show strongly.
It is a perennial, but it is weak to heat and humidity and often dies before summer, so it is treated as an autumn-sown annual.
The flowers are bilaterally symmetrical with 5 petals.
There are many cultivars, with a wide variety of flower sizes and colors.

[Cultivation]
It prefers a sunny, well-drained, well-ventilated place.
When planted in the garden, almost no watering is needed.
For potted plants, water when the soil surface dries.
Excess moisture causes disease, so take care.
In addition to base fertilizer, place slow-release fertilizer on the soil once a month while the plant is in flower.
The plant weakens once fruit forms, so if you want to enjoy the flowers for a long time, snap off spent flowers at the base of the plant.
Pests and diseases include gray mold, leaf spot, aphids and slugs.

Details

Names
English: tufted pansies, bedding pansies
Japanese: ビオラ
Life form
Annual, Perennial
Habit
Terrestrial
Planting (or sowing) season
October, November, December
Flowering season
January, February, March, April, May, November, December
Leaf shape
Simple leaf (unlobed)
Leaf arrangement
Basal, Alternate
Leaf color
Green
Availability of seeds and plants
Low
Form sold
Seeds, Seedlings
Sun exposure
Full sun
Water needs
Moderate
Soil needs
Required
Tolerance
Cold tolerance, Heat intolerance, Frost tolerance
Suitable uses
Potted plant, Flower bed, Parks and gardens, Container, Balcony, Hanging basket
Diseases
Gray mold, Leaf spot
Pests
Aphids, Slugs

Translated from our Japanese encyclopedia. If anything differs, the Japanese page is correct.

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