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Petrorhagia prolifera

Petrorhagia prolifera · Caryophyllaceae

The gardener's calendar

The right move for September

Ideal time to plant petrorhagia prolifera: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.

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ID card

Foliage
Evergreen, fine and linear
Flowering
May to September, pink or white flowers
Adult size
15-30 cm tall, 20-30 cm spread
Growth
Fast
Hardiness
Down to approximately -15°C
Origin
Mediterranean region
Soil type
Well-drained, poor to moderately fertile

Care

Sunlight

The proliferous carnation thrives in full sun for abundant and colorful blooms. Place it in a bright location with at least 6 hours of sun per day. It tolerates hot and sunny positions, even in Mediterranean climates.

Watering

Water moderately during growth and flowering, without letting the soil dry out completely. Once established, this plant is relatively drought-tolerant. In winter, drastically reduce watering.

Soil and Drainage

Well-drained soil is essential to prevent root rot. Enrich the potting mix with sand or gravel if the soil is too compact. This plant prefers poor to moderately fertile soils, typical of Mediterranean regions.

Fertilizer

Apply balanced fertilizer or one slightly rich in potassium during the growing period (spring-summer), approximately once a month. Reduce or stop feeding in autumn and winter.

Pruning and Maintenance

Pinch young plants to encourage a bushy, branched form. After flowering, remove spent flowers to extend blooming. Light pruning in late winter helps rejuvenate the plant and remove dead growth.

Diseases and Pests

In overly humid conditions, this plant may suffer from fungal issues (rot) or aphids. Ensure excellent drainage and good air circulation around the foliage. Monitor for pest infestations and treat promptly if necessary.

Did you know?

The proliferous carnation gets its botanical name 'prolifera' from its remarkable ability to produce flowers in staggered waves throughout the summer, creating an uninterrupted profusion of delicate blooms. This characteristic makes it particularly prized by Mediterranean gardeners for its long and spectacular flowering period.

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.