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Long-spiked glasswort plant
Amaranthaceae24 April 202612 min

Long-spiked glasswort: complete guide

Salicornia procumbens

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Overview

Long-spiked glasswort (Salicornia procumbens) is a unique halophyte native to European coastal zones. This low-growing, succulent plant thrives on salt-rich soils where few others survive. An interesting choice for coastal and experimental gardens.

Appearance and bloom

Long-spiked glasswort is low-growing, creeping plant reaching just 10-30 cm height. Stems are fleshy, green with reddish-colored segments. Leaves reduced to scales integrated into stems. Flowers inconspicuous, appearing August-October. Plant reddens in autumn.

Ideal location

Plant long-spiked glasswort in full sun in strongly saline conditions. Thrives optimally along seabeaches, in salt marshes, and artificially saline sites. Excellent for coastal gardens where salt arrives via sea wind and salt-spray.

Soil

This plant requires saline soils with high electrolyte concentrations. In normal garden soils it performs moderately. Add seawater or salt solution (3-5% sodium chloride) to irrigation water. pH 7.5-8.0 is ideal. Excellent drainage essential despite preference for moist environments.

Watering

Water with salt water or sea irrigation regularly for optimal growth. Rainwater alone not preferred. Seawater or artificial salt water (3% salt) apply 1-2 times weekly. In coastal gardens, roof-collected rainwater can supplement.

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Pruning

Minimal pruning needed. Remove dead stems each spring. Maintain neat form through careful light trimming. Plant grows low and compact, so aggressive pruning unnecessary.

Maintenance calendar

MARCH: Clean dead parts. APRIL-MAY: Growth period, salt water application. JUNE-JULY: Continued growth. AUGUST-OCTOBER: Bloom and color change. NOVEMBER-FEBRUARY: Winter period, minimal water.

Winter hardiness

Long-spiked glasswort is moderately hardy, tolerating about -5 to 0 degrees Celsius in protected locations. In very cold regions further north, winter protection recommended. However, along Dutch and Belgian coasts it can overwinter successfully.

Companion plants

Use long-spiked glasswort in specialist coastal gardens with other halophytes like queller species and sea-purslane. Combine with marsh samphire for interesting texture contrast. Perfect for experimental gardens utilizing salt applications.

Closing

Long-spiked glasswort is fascinating plant for marginal conditions. With suitable salt water it thrives excellently. For seeds and plant material: consult gardenworld.app/en for specialist culture advice and gardenworld.app/en for unique garden design ideas.

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