Viola thomasiana — a medium houseplant, prefers partial sun light
SPECIMEN · FROM THE LIBRARY
Viola thomasiana

Viola Thomasiana

Updated · 3 observations
ON THIS PLANT
A note from PlantMom

Viola thomasiana shows good resistance to disease and is generally not prone to illnesses. Nevertheless, it can be vulnerable to pests and diseases present in its surroundings. Such infections are typically not serious. Regarding care, this plant demands medium maintenance. It should be pruned regularly to preserve a neat appearance and promote healthy growth. Applying fertilizer can also encourage blooming. Viola thomasiana is appropriate for anyone with an outdoor area, like a garden or patio, and does not need extensive plant-care experience. It may need more attention if kept indoors.

— PlantMom
CARE GUIDE

How to keep Viola Thomasiana.

Light

Viola thomasiana is native to habitats like forest understories and rocky areas, where it grows in natural shade. It favors partial sun but can tolerate full sun or full shade, reflecting its hardy, adaptable nature.

Temperature

Viola thomasiana can tolerate a wide range of temperatures, but its distribution may still be constrained by different combinations of water and heat conditions. It grows best in warm summer climates with adequate rainfall or watering. Long periods of cloudy, rainy weather or extended high temperatures can raise the chance of Viola thomasiana dying. In winter, protecting it from cold can increase its survival rate.

Fertilizer

One fertilizer application in spring is typically enough for Viola thomasiana, though additional feedings can help maximize growth. Feed about once a month to once every month and a half. Fertilization improves the leaves’ appearance and function, maintaining even color and a healthy texture. It also promotes root development and better nutrient uptake for the plant’s long-term health.

CHARACTERISTICS

Botanical profile.

Plant Type
Herb
Life Cycle
Perennial
Genus
Viola
Family
Violaceae
Hardiness Zone
4-8
Mature Height
5 cm to 10 cm
Mature Spread
10 cm to 15 cm
Leaf Color
Green, Dark Green
Leaf Type
Deciduous
Flower Color
Purple, Lavender
Flower Size
1.52 cm to 2.54 cm
Bloom Time
Early spring, Mid spring
Planting Time
Spring
Harvest Time
Late spring, Early summer
Native Area
Austria, Italy, Switzerland, Azerbaijan, France
PLATES
Viola thomasiana flower
PLATE 01 · flower
Viola thomasiana flower
PLATE 02 · flower
Viola thomasiana bark
PLATE 03 · bark
Viola thomasiana bark
PLATE 04 · bark
Viola thomasiana habit
PLATE 05 · habit
Viola thomasiana habit
PLATE 06 · habit
ALSO IN THE LIBRARY

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