Viola lutea
Viola lutea · Violaceae
The gardener's calendar
Ideal time to plant viola lutea: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Violaceae
- Form
- Herbaceous
- Flowering
- April to July
- Flower color
- Yellow, sometimes purple or bicolored
- Adult size
- 15 to 30 cm in height
- Hardiness
- Very hardy (down to -15°C)
- Foliage
- Deciduous
- Origin
- Vosges Massif and European mountainous zones
Care
Exposure
Choose a sunny or partially shaded location, ideally with 4 to 6 hours of direct sunlight. In warm climates, light afternoon shade extends flowering.
Soil and planting
Plant Viola lutea in well-draining soil, slightly acidic to neutral, enriched with organic matter. It appreciates fresh substrates but does not tolerate waterlogging. Light mulch protects roots in winter.
Watering
Keep the soil regularly moist during active growth and flowering. Reduce watering in autumn-winter. Water at the base to avoid wet foliage that promotes fungal diseases.
Pruning and maintenance
Remove spent flowers regularly to stimulate flowering. At the end of the season, cut stems to ground level to rejuvenate the plant for the following year.
Nutrition
Apply balanced, diluted fertilizer every 15 days during flowering. An initial application of well-decomposed compost in spring is generally sufficient to support growth.
Diseases and pests
Watch for powdery mildew and downy mildew in conditions of stagnant humidity. Slugs can damage young shoots. Ensure good air circulation and avoid overhead watering to prevent these issues.
Did you know?
Viola lutea is an altitude plant characteristic of the subalpine meadows of the Vosges and Jura. Botanists long confused it with its Alpine cousins until its distinct identification in the 19th century. It symbolizes the floral richness of central European mountain zones and remains a treasure for collectors of wild violets.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
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Tips generated and checked by Viridia — adapt them to your local climate.