Eryngium maritimum - Sea holly

Feed Eryngium maritimum : During the autumnal months we can give medicinal plants some fertilizer every 30-40 days; if we’re treating perennial plants, we should prepare them to the arrival of the winter by mixing some organic fertilizer to the soil.

continental : Let's grow the the Eryngium maritimum where it can enjoy as many hours as possible of direct sunlight.
These plants can be grown in the garden during this period of the year; they can’t tolerate the cold, therefore they should be located in a sheltered place as soon as the minimum temperatures go below 0°C. Sudden freezing can ruin the foliage of the most external branches.

alpine : Plant which needs to be exposed to direct sunrays.
These plants dislike temperatures below zero; during the autumnal months they can be left outside only if the climate is mild; as the nocturnal temperatures get lower, let’s place the Eryngium maritimum in a spot where it is sheltered by the frost, or in a cold greenhouse.

mediterranean : Locate the the in a sunny place, where it can receive direct solar rays for at least a few hours a day.
These plants can stand minimum temperatures near 0°C; in this period of the year they can be located outdoors, in a sheltered place.

continental : The Eryngium maritimum needs frequent and regular irrigations; we advise keeping the soil damp using 3-4 glasses of water, watering every 1-2 weeks.

alpine : Water abundantly with 2-3 glasses of water approximately every 2-3 weeks, wetting the ground deep down; let’s always wait for the soil to dry before watering again.

mediterranean : Let’s water the the Eryngium maritimum frequently with 4-5 glasses of water, even every 0-1 weeks, so that the soil is always damp, but not soaked with water.

Adversity Eryngium maritimum : When the climate is still not too harsh we should apply a wide range fungal treatment, vaporizing the fungicide even on the soil on the feet of the plants. Let’s remember to collect and destroy the leaves of the plants affected by black spot disease or by leaf curl disease.