Horned violet (Viola cornuta)

Also known as: Tufted violet

Originating from northern Spain, the horned violet (Viola cornuta) is an evergreen perennial known for its distinctive long nectar spur. It flourishes in cooler temperatures and emits a delicate fragrance. For optimal growth, it requires moist, well-draining soil and thrives in areas with either full sun or partial shade, with a preference for morning light and protection from harsh afternoon rays.

In This Article

Care Tips Water Sunlight Temperature Soil Fertilize Prune Propagation Repotting

Attributes of Horned violet

Lifespan

Perennial, Annual, Biennial

Plant Type

Herb

Plant Height

20 cm to 25 cm

Spread

25 cm to 30 cm

Leaf Color

Green

Flower Size

2.5 cm to 4 cm

Flower Color

Purple White Yellow Blue Violet

Images of Horned violet

Quickly Identify Horned violet

Ground-hugging habit with creeping, ascending stems

Heart-shaped to ovate leaves, forming dense mats

Flowers with five petals, one downward-facing, creating unique symmetry

Fruit in a three-valved capsule, dispersed via myrmecochory

Evergreen leaves with visible veins and mild undulation along toothed edges

Scientific Classification of Horned violet

Phylum

Vascular plants

Class

Dicotyledons

Order

Nances, spurges, willows and allies

Family

Violet

Genus

Violets

Species

Horned violet

Planting and Growing of Horned violet

Care Difficulty

Easy

Watering Schedule

Every 4 days

Sunlight Requirements

Partial sun

Sunshine Duration

4-6 hours

Ideal Temperature

60-75℉

Soil Type

Potting Mix, Peat Mix

Soil pH

6.5-7.5

Fertilizer Type

Balanced

Pruning Season

Spring, Summer

Pruning Area

Branches, Leaves

Pruning Frequency

2 times a year

Repotting Season

Spring

Pot Type

Ceramic, Plastic

How to Water Horned violet?

Viola cornuta enjoys moist soil but not soaking wet conditions. Water approximately until the top inch of soil is moist. This usually means adding around 250ml of water per session, but always ensure to check the soil beforehand.

What are the symptoms of an underwatered Horned violet? ›

What should I do if my Horned violet is not getting enough water? ›

What are the symptoms of an overwatered Horned violet? ›

How to save an overwatered Horned violet? ›

What Are the Sunlight Requirements for Horned violet?

Sunlight Requirements: Partial sun, Full sun

Duration of light: 4-6 hours daily

Partial sun to full sun is ideal, where it receives a few hours of direct light but mostly indirect throughout the day. This balance ensures a vibrant display of flowers and healthy foliage.

How much light does it need? ›

How to achieve ideal lighting? ›

What are the benefits of ideal lighting? ›

More About Sunlight Requirements Techniques→

What Is the Ideal Temperature Range for Horned violet?

Ideal Temperature: 60 ~ 75℉

Viola cornuta, also known as horned violet, thrives best within an ideal temperature range of 60°F to 75°F. These conditions facilitate optimal plant growth and flowering. Maintaining this balance ensures that the plant's metabolic processes and enzyme activities occur efficiently, contributing to its vibrant display of blooms.

What Soil is Best for Horned violet?

Soil type: Loam, Sandy loam

Soil PH: 6.5 ~ 7.5

Viola cornuta thrives in well-drained soil conditions, which help prevent root rot and ensure that the plant's roots have access to both water and air. This soil structure allows efficient water drainage while maintaining moisture levels, allowing the plant to grow vigorously. Providing nutrient-rich soil is crucial for Viola cornuta as it supports continuous growth and vibrant flowering. Incorporating organic matter like compost into the soil will enhance its fertility, supplying the plant with essential nutrients for better health and pest resistance. Viola cornuta prefers soil that retains moisture without being waterlogged. Consistently moist soil is key to preventing stress in the plant while promoting lush foliage and an abundance of flowers, especially during the warmer growing months.

How to Fertilize Horned violet?

Fertilizer type: Balanced

For Viola cornuta, applying too much fertilizer can be detrimental, so it is advisable to use a balanced liquid fertilizer at one-quarter strength. Carefully follow the instructions on the fertilizer label to avoid over-fertilization.

How to Prune Horned violet?

Pruning Time: Spring, Summer, Autumn, Winter

Begin by removing any dead, damaged, or diseased stems from your Viola cornuta. This clears the way for healthier growth and prevents the spread of disease. Inspect the plant closely and make decisive cuts. To encourage a more compact and bushy form, pinch back the tips of new growth regularly. Focus on the top few inches of shoots to stimulate lateral growth, leading to a fuller appearance with more blooms. Regularly deadhead spent flowers to direct the plant's energy towards producing new blossoms rather than seed development. Gently pinch or cut the faded flowers just above the nearest set of leaves. More About Pruning Techniques→

How to Propagate Horned violet plant?

Propagate Time: Spring,Early summer

Fill seed trays with a good quality seed-starting mix. Moisten the soil slightly before sowing the seeds, ensuring it is damp but not waterlogged. Spread the seeds evenly over the surface and lightly cover them with a thin layer of the mix.

Select healthy stems from the parent plant, ensuring they are disease-free. Use sharp scissors to cut 4 to 6-inch long sections below a leaf node. Remove any flowers or flower buds to divert energy toward root development.

Once the seedlings have developed their second set of true leaves, it's time to transplant them. Gently remove each seedling from the tray, take care not to damage the roots, and place them into individual pots filled with a potting mix.

More About Propagating Techniques→

How to Repot Horned violet plant?

Repotting frequency: Every 1-2 years

Viola cornuta, also known as horned violet, should be repotted when you notice its roots coming out of the drainage holes or it appears to struggle for nutrients, which is commonly indicated by wilting leaves or stunted growth. Repotting is ideally done in spring or autumn, avoiding the cold of winter and the extreme heat of summer.

Selecting the right pot for your Viola cornuta is crucial. Choose a pot that is about 2 inches larger in diameter than the current one to give the roots ample room to grow. Ensure the new pot has adequate drainage holes to prevent waterlogging, which can lead to root rot. A breathable material like terracotta is preferable as it helps in aeration and moisture regulation.

Opt for a well-draining soil mix, ideally a slightly acidic one, to maintain the health of your Viola cornuta. A mixture that includes peat, perlite, and loam can provide good aeration and nutrient retention, ensuring the roots have the right amount of moisture without becoming waterlogged.