St John's wort Hypericum seeds (Ipericumum perforatum) by Sementi Dotto

St John's wort Hypericum seeds (Ipericumum perforatum) by Sementi Dotto


Hypericum perforatum, known as Perforate St John's-wort , is a flowering plant of the genus Hypericum and a medicinal herb with antidepressant activity and potent anti-inflammatory properties as an ar...

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antidepressant activity and potent anti-inflammatory properties

These beautiful dusky-purple-leafed, semi-evergreen, bushy plants have an upright habit, bearing contrasting yellow flowers in mid-summer followed by ornamental clusters of berries that slowly change from pink to red to black. Excellent in cut-flower bouquets, it also has a superb autumn effect. It is best cut back heavily in spring as the darkest leaf colour is displayed on new growth.


The herb has a long and particular background as an antidepressant, anti-septic, anti-inflammatory,expectorant and tonic for the immune system, used for its alleviating properties. In fact, some of the previous reports on the herb's use originate from the Greek herbalist of the 1st AD century,Pedanios Dioskourides, as well as from his contemporary physicians, respectively Greek and Roman, Galinos and Plenius. In the treatise, Paracelsus (1493-1541 AD), the famous Swiss alchemist and physician,has been also mentioned to be using the St. John's wort. The historians consider that the name of the St. John's wort was given to it by the first Christians, who noticed that the plant blossomson about the 24th of June, the Saint John's-the Baptist's birthday, who was decapitated.

Cultivation and growing information

You can grow St John's Wort and other Hypericum outdoors from seeds. These should be sown out in either early on in spring or towards the beginning of autumn. Once sown lightly cover the St John's Wort seeds. Hypericum plants can grow in either a sunny area of the garden, or one that receives part shade. They prefer a well drained slightly acidic soil of pH 5.5 to 7, but the type is not overly important.

If you first plan to grow Hypericum indoors then the growing process should start about two to two and a half months before they are due to be put out, either before th last frost of spring or at the beginning of autumn. Hypericum will take from three weeks to three months to germinate at a temperature of about 10 to 12 degrees Celsius.

Hypericum basically look after themselves once established in the garden. They require a good prune at the start of spring however. If you require more plants then cuttings can be took in the spring or summer; or you may prefer to divide the plants; this can be done in the autumn once flowering has finished.

Seeding: September-October

Blooming: May-August

Guaranteed quality:  Sementi Dotto seeds

Sementi Dotto was founded in 1963 as a family-run farm specialized in the field of vegetable seeds and gardening products. SEMENTI DOTTO is present in the hobby sector with a wide range of products for gardening care and with a complete line of products for small pets. In addition, since Sementi Dotto is always heedful to changing market conditions and environmental sensitivity, with L’Orto Biologico” line it also offers a wide range of vegetable seeds and seeds for sprouts obtained exclusively from organic farming which include the use of agricultural adjuvants not harmful to the environment.

The primary objective of the company is to achieve total quality, entering the market with high-grade products, advanced packaging, cutting-edge logistics services, promotional activities, careful and qualified customer service, efficient internal processes, maintaining the balance of a large organization without sacrificing the traditional quality values for which it is famous.

Net weight sachet: 0.5gr

Manufacturer Sementi Dotto
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