Sea plantain
Plantago maritima · Plantaginaceae
The gardener's calendar
Ideal time to plant sea plantain: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Plantaginaceae
- Type
- Perennial herb
- Foliage
- Evergreen
- Flowering
- May to September
- Mature size
- 10 to 30 cm in height
- Hardiness
- Very hardy (down to -15°C)
- Origin
- Atlantic and Mediterranean coasts of Europe
- Exposure
- Full sun to partial shade
Care
Exposure
Sea plantain prefers full sun situations, ideally at least 6 hours per day. It tolerates partial shade well but will flower less abundantly. This plant remarkably withstands sea spray and coastal environments exposed to salty winds.
Soil and drainage
Grow it in well-drained soil, even poor or sandy. Sea plantain appreciates light substrates and requires no particular enrichment. It tolerates both acidity and alkalinity very well and adapts to coastal chalky or salty soils.
Watering
Once established, sea plantain is very tolerant of drought thanks to its deep roots. Water moderately at planting time, then gradually reduce. During periods of intense heat, occasional watering will maintain better growth.
Pruning and maintenance
No pruning is strictly necessary. You can remove faded flower heads to encourage prolonged flowering and maintain a compact form. Simply clean up damaged or dead leaves in late winter.
Fertilizer
Sea plantain hardly needs any fertilizer. A light annual application of decomposed compost in spring is more than sufficient. Too much nitrogen would promote excessive growth at the expense of robustness.
Diseases and pests
This plant is very robust and rarely subject to diseases. The most common problems occur in poorly drained soils (root rot) or prolonged excess moisture. Ensure optimal drainage and good air circulation.
Did you know?
Sea plantain was once eaten in salads or cooked by European coastal peoples due to its mineral richness. Its scientific name 'maritima' reveals its love of salty marine environments, where it thrives where few other plants can survive. In traditional botany, all species of the genus Plantago were long reputed for their soothing properties.
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.