Asters – growing, care, transplanting andbreeding

Sat, Mar 12, 2016

Род Астры (Aster) из семейства Астровые
(Asteraceae) or Compositae includes about
500 species of herbaceous perennial rhizomatous plants. Title
This flower is translated from Latin as a “star”, and its history
is about 2000 years old. Homeland asters consider China, Mongolia,
Korea and the southwestern part of the Far East.

Since there are so many species of asters,
their classification is very extensive. These plants are separated in form,
by height, according to decorative signs of flowers, by types of flowers and
their form.

All asters have straight stems, whose height reaches 20-200
cm, jagged green leaves and basket inflorescences, most often –
Terry, single or gathered in panicles or umbrellas. By its
Aster flowers are very varied and can be white.
pink, red, blue, blue or purple with the transition
between them. Asters have no aroma, but because of their large flowers
with beautiful petals, varieties of color and a long period
flowering (from the second half of the summer to frost) they are very
popular garden plants. Authentic asters are perennial
flowers Also in our gardens grow one-year-old aster, imported
to us from China, which is called Callistephus Chinese.

Contents

Asters – growing and care

Asters grow well and bloom profusely on the sunny, open and
however, windproof areas with well drained
soils, ideally – light, breathable fertile
loam and sandstone with a pH from 6.5 to 7.5. Not
it is recommended to plant asters on the places where they grew up
tulips, gladioli, carnations. But they feel great
in areas where calendula and marigolds were previously cultivated
perennial herbs.

The best mode for growing asters is a temperature of about
15 ° С and humidity from 60% to 70%. When dry and hot weather plants
lose a decorative look, the quantity of a seed harvest decreases.
Also, the aster cannot stand the groundwaters close to the surface,
constant dampness and excessive soil moisture.

Asters are characterized by good drought tolerance, however, in
heat they need abundant watering. Especially relevant for these
plants the theme of watering during the budding period, otherwise good flowering
they won’t have it.

Also asters for long and lush flowering need
top dressing. First, fertilizers in the form of humus or compost need
make a bed in the autumn digging. Organic is not very suitable
for these flowers, it is better to give preference to mineral fertilizers.
At first, asters are fed 1.5-2 weeks after disembarkation.
seedlings; then – in the period of budding and flowering, but without
nitrogen.

Астры – пересадка и breeding

Asters mainly reproduce by seed, which follows
planted in early spring for seedlings. Seedlings are grown
in the usual slightly acidic soil, the time of its planting in open ground
– the end of spring or the beginning of summer. You can plant seeds right in
open ground in May, but such plants will bloom later, towards the end
September Seeding can be done before winter. 2-3 years later
after planting the plants lose their attractiveness, so it’s best
to transplant them, multiplying by division (stem
cuttings), or sow new ones.

Perennial asters begin to bloom 1-2 years after sowing.
They can be propagated and vegetatively, dividing the bush, which
carried out in early spring. The part to be separated must have from 3
up to 5 young shoots and some roots.

Asters can also be propagated by top cuttings having
length 5-7 cm. To do this, they need to be rooted in the soil mixture consisting
from turf, peat and sand, holding for a month under the film. AT
открытый грунт их высаживают в начале September

Asters – diseases and pests

Asters are highly susceptible to various diseases and
pests. The most common among them is Fusarium
(root rot). AT качество профилактики этого заболевания следует
spray plants with a solution of sulfuric acid salts with zinc,
copper, magnesium.

If you grow asters on poor soils, untimely them
watering or rejuvenating plantings they may suffer from such
fungal disease like powdery mildew that manifests itself on
plant grayish-white bloom. To fight him a plant
sprayed with sulfur preparations.

The next fungal disease that asters can hurt is –
this is late blight, it can be recognized by brown spots, sometimes with white
by touch The best prevention of this disease is
spraying with copper preparations, as well as timely
weeding and harvesting residues of stems.

The main pests of asters are butterflies, their caterpillars
eat plants. To combat them plant sprayed
chlorophos, phosphamide or karbofos, as well as loosen timely
soil, remove weeds and plant residues. In the same way they fight
and with kidney aphids affecting seedlings.

AT сухую и жаркую погоду астры могут быть атакованы spider web
tick sucking juices from plants. Then you need to spray
plants infusion of onions and garlic.

Also on Astrakh slugs may appear. To get rid of them
planting sprinkled with lime and superphosphate and spend deep
loosening the soil.

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