St. John's wort

St. John's wort

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Question: hypericum

I have two vases of hypericum for a year and they are very thick, I ask politely if they should be thinned out, if they should be fertilized and when. They are placed on the terrace with wind and sun, but this year with hail, unusual in my city of Catania, it has ruined a bit. Thank you so much.

Answer: hypericum

Dear Francesca,
the Iperico is a beautiful perennial plant, rustic and very luxuriant, which produces large golden-yellow flowers throughout the summer; It is evergreen and therefore keeps the leaves even during the winter. From your description I think it is ground cover, and therefore a perennial herbaceous species. In fact these ground cover plants are generally placed in the ground, because they have a very luxuriant development; if grown in pots, the St. John's Wort needs to be treated every 2-3 years, so that they can develop in the best way, without tending to over-fill the pot. This pruning operation is practiced in autumn, when the plants have stopped flowering; one acts by dividing the clumps of plants and roots, and thus obtaining different portions, each of which must have quite a few healthy and robust roots. Keep the largest and most flourishing portions in your pots, restful, replacing the soil with fresh and rich substrate. The remaining portions can be used to produce other specimens of the plant, to bring other pots closer to those you have, or to give them to your neighbors or friends, see you.
As for the hail, usually its grains visibly ruin the foliage, without however doing high damage to the plants; but the ruined leaves, almost burned by the frozen grains, could tend to rot, and therefore to be the vehicle of bacterial or fungal diseases, which would also spread to the rest of the plants. To prevent this from happening, after a hailstorm, it is advisable to remove all the twigs and foliage ruined by hail, in order to stimulate the plant to quickly produce new leaves and new branches. The hypericum is a continuous flowering plant, for the whole of the beautiful season; in particular the ground-covering hypericum produces its buds on the new shoots, so you can prune it without keeping from losing the flowering; in fact, in a few weeks it will bloom more than before.


  1. Khuzaymah


  2. Javier

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  4. Breasal


  5. Wealaworth

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  6. Mazujin

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  7. Anton

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  8. Stoddard


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