ornamental garden: the most beautiful evergreen ferns
Common tongue Asplenium scolopendrium (Phyllitis scolopendrium) is a native fern covered by completeprotection speciesin natural sites. It has original, long (40-60 cm),leathery ,wholebrzegie leavescollected in funnel-shaped kępyThey are characterized by a slight sheen, a light green color and a slightly wavy edge. There are over a dozen varieties in cultivation, incl. 'Crispa' strongly growing, with a wavy,crosswise notched plate ; 'Cristata' with a plate bifurcated at various lengths; 'Marginata with a strongly frayed edge of leaves.The tongue grows well in shady places, onsoil humus ,fertile ,moistandcontaining calciumIt reproduces from spores, by dividing rhizomes and by cuttingperennial root petiole leaf
Polystichum setiferum is characterized by exquisitely framed feathery leaves 30-120 cm long. The petiole and the leaf axis are covered withlight brown scaly hairsThere are several interesting varieties in cultivation. It is worth noting, among others 'Proliferum' variety with slightly openwork and dark green gills with a slight sheen. On its leaves along the plantlet infavorable conditions(in the shade and high humidity)youngplants(plantlets) that can be cut off with a leaf fragment and rooted. Ferns are an attractive decoration of gardens, they can also grow under trees, as long as they haveprovided moistureandpróchnicznesubstrate
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Paprotnik szczecinkozębny Polystichum setiferum (Photo: Fotolia.com) |
Flowers at home: sisters of poinsettias
The Euphorbia Euphorbia belongs to a diverse and rich family of Euphorbiaceae, including approx. 300 genera and over 8,000 species. The type of spurge alone has about 2 thousand. species. Among them there are herbaceous plants andshrubsandtreesMany of them are succulents, often oddly formed and enduring the most difficult environmental conditions. The common feature of the genus is the presence ofpoisonous milk juice milk , which has been used in folk medicine for centuries. Thestructure of the inflorescence,calledcyathuim , is also characteristic of spurgeons, strongly transformed into structures resemblingsingle flowers
This inflorescence has ashape cup , which usually does not exceed 1 cm. In this small creation there are 5 groups of male flowers, consisting of only 1stamen , and 1flower female, with a few exceptions, consisting of only one bar.Cyathiaare gathered in higher order inflorescences and surrounded bydyedpods , i.e.leaves proflowerThe best knownspecies decorative- symbol of Christmas - spurgebeautiful(poinsettia) Euphorbia pulcherrima, calledstar Bethlehem
Many spurgeons, especially succulents, take on interesting, sometimes strange shapes. They may resemblespherical ,leafless cactiThey even have ribs characteristic of some cacti.An example would bewilczomlecz opasłyEuphorbia obesa. At a young age it is spherical, in an older age it takesshape cylindricalThe spotted eagle owl is perfect for growing in pots. It likes to grow in full sun, although it can also tolerate light shade. It has a high tolerance to the substrate if it isgood drainedIt grows best in high temperatures in summer and, surprisingly for a succulent, also in highhumidity airIn winter, it must be kept at a temperature of 10-12ºC.
Trees and shrubs: decorative species of spruce and fir
In stores and at points of saletreesandshrubsyou can buy more and more very oftendecorative species treescultivated on commercial plantations, e.g. prickly spruce Picea pungens (especially its silver-needle variety 'Glauca', popularly though incorrectly called spruce silver).This species grows naturally inAmerica North , and in Poland it is grown as an ornamental tree. Other spruce grown in Poland and sometimes sold in the run-up to Christmas isspruce SerbianPicea omorica. It is an endemic species that occurs naturally in the Balkans, in the Tara Mountains on the Dira River.
trees of this species havebeautiful habit , shoots are picturesquely overhanging, and the underside ofneedles is silvery Sometimes you can meet the Eastern spruce Picea orientalis with short shiny and clinging tobranches needlesMore and more often you can also buy the Caucasian fir Abies nordmaniana, fir single-colorAbies concolor andfir nobleAbies procera, especially hers variation of 'Glauca' osilver blue needles
Plant protection: capricious citrus
Yellowing and leaf fall is one of the most common problems in growing citrus indoors. The edges of theleaves turn yellow , turn brown, curl downwards and fall off. One of the causes of the disease may be a sudden change in the sun and humidity conditions, related to e.g.moving the plant from the balconytoapartmentorswitching on heating.Another factor is the shortage ofnutrients nutrients , especiallynitrogenandiron , excessive or under-watering or too small pot. Prevention of this disease isproviding plant optimal conditionsto growth and development, fertilization with microelements, sprinkling the plants with water and avoiding wetting the root ball.
Citrus fruits are often attacked byspider mitesTetranyus spp.yellowish spotsappear on infected leaves. Over time, the leaves turn yellow and fall off.
On the underside of the leaf you can seeorange spider veinsTo combat spider mites, you can usepreparations protection cactusIf there are long greenish protrusions on the underside of the leaf, the plants are most likely attacked bycupcakecitrusCoccus hesperidum. The growth of infected plants is impaired, andforaging of the bowlsis accompanied by the secretion of a sticky substance calleddew honey
