Blechnum — care at home


Blechnum is a fern of the family derenikovich, which is often grown as a houseplant.

It looks like a palm tree and came to our home from South America.

The stem of this fern for years, reaches two feet, the leaves are light green, pinnately lobed, reaching a length of 50-60 cm

Growing blechnum

 Location and lighting

This plant can be placed on any window, but it is enough shade and does not like direct sunlight, preferring filtered light or light partial shade. So if the window faces South, the flowerpot can be put in the back of the room.


Blechnum relates to heat-loving plants, so in the summer it tolerates any, even a high temperature, and in winter should keep the air temperature was below 16-18 degrees.

Watering and humidity

Watered abundantly in spring, autumn and winter more than moderately, but not allowing the soil to dry out. To do this, use warm pooled water, making sure it does not contain lime.

For young plants frequent watering junk, a better pot to lower into the water and keep to 2 minutes, then the water should drain.

This fern likes high humidity, but not to spoil the leaves, it is not recommended to spray.

Instead, the pot of flowers put on the tray, which is a hydrated clay. In winter, the radiators can be placed with a damp cloth.


For good growth of this plant needs feeding, but it does not tolerate excessive fertilizer, and therefore, using organic or mineral substances, use a small dose.

In summer it is better to fertilize with liquid fertilizer, designed for decorative-deciduous plants, 1 time per two weeks.

Transplantation and propagation

Transplanted blechnum, like most plants, it is better in the spring, when the roots will fill a large part of the pot.

The soil for this purpose, take slightly, better if it has the following composition: 1 part of peat and humus soil, the same amount of sand and 2 parts leaf soil.

The most simple method of reproduction of the ferns is by dividing the rhizomes. The rhizome is cut, slice sprinkled with powdered charcoal, the separated parts are seated in the tank.

Another way is reproduction by spores. In the spring spores are planted in a hotbed, keeping them in a constant temperature of +21°C.

Before the advent of nursery plants kept in the darkness under the glass. The most robust plants are then planted in pots.

Pests and fight with them

This plant is striking in the usual for indoor plants pests: spider mites, aphids, thrips. Get rid of them, treating the plants with a soap solution and special devices.

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