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Lithodora fruticosa

Lithodora fruticosa · Boraginaceae

The gardener's calendar

The right move for September

In autumn, ease off feeding and take the chance to clean up around lithodora fruticosa and prepare for winter.

JFMAMJJASOND Planting

ID card

Foliage
Evergreen
Flowering
Spring to summer (April-July)
Flower color
Bright blue to cobalt blue
Mature size
0.3 to 0.6 m in height, compact and spreading habit
Growth
Slow to moderate
Hardiness
Moderate (-5 to -10 °C depending on varieties)
Exposure
Full sun mandatory
Origin
Mediterranean basin and southwestern Europe

Care

Exposure

Lithodora fruticosa requires full sun exposure for at least 6 hours a day, or ideally more. Shade harms flowering and weakens the plant. A bright, warm location is essential to achieve dense flowers with beautiful color intensity.

Soil and drainage

This plant is demanding when it comes to drainage: choose light, gravelly, poor to moderately fertile soil, and above all very well-drained. Adding sand, gravel, or pumice significantly improves structure. Avoid heavy soils and stagnant moisture that cause root rot.

Watering

Lithodora fruticosa loves moderate dryness. Water sparingly, letting the soil surface dry between waterings. In summer, during hot spells, light watering 1 to 2 times per week is enough. Reduce watering significantly in fall and winter.

Pruning and maintenance

Pinch back young shoots lightly in spring to encourage compact, branched growth. You can trim very lightly after flowering to maintain shape. Avoid severe pruning, which may cause the plant to decline. Removing dead or damaged parts is usually sufficient.

Fertilizer

Lithodora fruticosa doesn't require heavy nutrient applications. A balanced, diluted fertilizer applied once or twice in spring is more than adequate. Choose a low-nitrogen formula to avoid promoting foliage at the expense of flowering.

Diseases and pests

Root rot is the main risk, particularly in moist soil. Red spider mites may occasionally appear during very dry, hot periods. Good air circulation and well-drained soil prevent most problems. Difficult overwintering in regions with very humid winters requires protection or shelter.

Did you know?

Lithodora fruticosa owes its name to the Greek "lithos" (stone) and "doron" (gift): it literally means a "gift of stone." This name reflects its natural habitat in the rocky and arid zones around the Mediterranean, where it thrives in rock crevices despite extreme conditions. Its intense cobalt blue makes it one of the most striking shades in the Lithodora genus, which is why it's so popular with Mediterranean garden enthusiasts.

Where to buy it

Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.

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Tips generated and checked by Viridia — adapt them to your local climate.