Alpine toadflax
Linaria alpina · Plantaginaceae
The gardener's calendar
Ideal time to plant alpine toadflax: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Evergreen
- Flowering
- June to September
- Adult size
- 15 to 30 cm tall
- Growth
- Fast
- Hardiness
- -15 °C
- Origin
- Alps (Europe)
- Soil type
- Well-draining, poor to moderate
Care
Exposure
Place your Alpine linaria in full sun for abundant and generous flowering. It also tolerates partial shade but will flower less densely. Avoid overly shaded areas that weaken the plant.
Watering
Water moderately and let the soil dry out between waterings, as this alpine plant dislikes waterlogged conditions. In summer, light watering once or twice a week is generally sufficient. Once established, it tolerates drought well.
Soil
Choose a well-draining substrate, even poor or gravelly, reproducing alpine conditions. Improve drainage with sand or gravel if your soil is clayey. Absolutely avoid constantly wet or compacted soils.
Pruning and cleaning
Lightly pinch young plants to encourage bushy growth and better branching. After flowering, you can cut back faded flower spikes to encourage a second flush of flowers. In late winter, a light cleanup of dried parts is sufficient.
Fertilizing
Alpine linaria doesn't need regular fertilizer applications. Poor soil suits it naturally. If desired, apply very diluted fertilizer in spring, just once, without excess that would promote foliage at the expense of flowers.
Disease prevention
Excellent hardiness and little prone to disease if drainage is correct. Excessive moisture can cause root rot or powdery mildew attacks. Ensure sufficient air circulation and respect watering intervals to maintain a healthy plant.
Did you know?
Alpine linaria is a major flower of the alpine flora, particularly admired by botanists of the 18th century. Its two-toned blue-violet and orange flowers inspired many classical botanical painters. It naturally colonizes screes and rocky cliffs, symbolizing fragile mountain biodiversity.
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.
Add this plant to my garden →Plants from the same family
- Ivy-leaved toadflaxCymbalaria muralis
- Spike speedwellVeronica spicata
- Heart-leaf Globe DaisyGlobularia cordifolia
- Talus slope penstemonPenstemon digitalis
- Coral plantRusselia equisetiformis
- Bunchleaf penstemonPenstemon heterophyllus
Tips generated and checked by Viridia — adapt them to your local climate.