Eryngium maritimum - Sea holly

continental : These plants need to have a constantly damp soil, for which usually 1875-1876 glasses of water are used; during the bitter months we advise watering every 2-3 weeks.

alpine : Let’s water every 3-4 weeks, or even more often using 1874-1875 glasses of water, remembering that the soil should always be slightly moist and cool, but not soaked with water.

mediterranean : Let’s try to water regularly with 1876-1877 glasses of water, so that the soil is always fairly moist; normally watering every 1-2 weeks or so is enough.

continental : Plant which needs to be exposed to direct sunrays.
These plants aren't rustic, they can't stand the frost; during the cold months they are placed in a cold greenhouse or in the house.

alpine : These plants need to be cultivated in a place exposed to direct sunrays.
These plants can’t stand the frost, therefore it’s advisable to put them in shelter, in the house or in a cold greenhouse.

mediterranean : These plants love very sunny places, being exposed to direct sunrays even for many hours a day.
The Eryngium maritimum can’t stand iciness, therefore during the coldest months of the year we suggest locating it in a place where it’s sheltered from the wind.

Feed Eryngium maritimum : During the winter months it’s not necessary to fertilize medicinal plants.