Eryngium agavifolium - Sea holly

continental : Let’s water every 2-3 weeks, so that the substratum is always quite moist. If the temperatures are very harsh, during the winter, it isn’t necessary to water. Wet with 1-2 glasses of water.

alpine : We advise watering the the Eryngium agavifolium regularly, but not too often, keeping the soil damp, using 0-1 glasses of water; during this period of the year watering every 3-4 weeks could be enough.

mediterranean : The Eryngium agavifolium always asks for a slightly moist soil: therefore we should water often, about every 1-2 weeks, wetting the substratum deep down. Normally 2-3 glasses of water are used.

continental : These plants need, for a balanced development, to be grown in a sunny place.
The Eryngium agavifolium can’t stand the frost and is damaged even by very short freezing; therefore we suggest, during the cold months, to locate it in a home or in a cold greenhouse.

alpine : Plant which needs to be exposed to direct sunrays.
We advise growing the the Eryngium agavifolium in a place where it’s sheltered from the ice, in a home or in a cold greenhouse.

mediterranean : We advise locating these plants where they can be directly exposed to solar rays.
Avoid exposing these plants to the cold winter icy wind, as they can’t stand frost.

Fertilize Eryngium agavifolium : In the winter it’s not necessary to fertilize medicinal plants.

Pests Eryngium agavifolium : Towards the end of the winter it is advised to apply a fungicide treatment using products based on sulphur and copper, to discourage the development of the most common fungal parasites.