Grow oleander and cultivate it

Oleander in the garden

Grow oleander and cultivate it: grow

The oleander, also known as the rose laurel or botanist "Nerium oleander", is a shrub plant widespread in the Mediterranean. The name is composed of "olea" for olive tree and "andreios" for strong.

The genus name Nerium comes from the Greek word "nerion" for wet and indicates that the plant prefers a wet location. Nevertheless, the oleander is perfectly adapted to dry habitats and one of the few plants that bloom even in high heat.

Hobby gardeners can freely choose not only numerous flower colors but also the cultivation method: the oleander grows as a hedge, tree or shrub and can be kept in shape with targeted cutting measures.

Here you find out useful information for the cultivation and care of the southern oleander.

Colourfulness of the oleander

The flower colors range from pure white over cream and orange to violet, red and pink tones. The best known are the simple purple flowers of the oleander. Some varieties bloom easily and stuffed, others fragrant or odorless.

Take care when buying a strong young plant with a compact habit and as many drives as possible. It is important that each of the inflorescences 50-80 buds sit and all leaves have a green, healthy appearance.

Oleander is poisonous

Grow oleander and cultivate it: plants

The oleander is beautiful, but highly poisonous.

If you have small children, you should do without the plant. It is one of the dogbane plants, and its dark green six to ten centimeters long leaves are poisonous. The contained active ingredient "Glycoside Oleandrin" is used as a cardiac medicinal product and is also used in homeopathy for angina pectoris, edema and stomach and intestinal inflammation.

Unprocessed, however, the poison can be deadly. The effect is similar to the toxin of the red thimble: The glycosides cause cardiac arrhythmia and can be used accordingly high doses lead to death by cardiac paralysis.

The symptoms of poisoning are: headache, vomiting, diarrhea, slowed pulse, pupil dilation, cramps, blue lips and hands. Sometimes the mere touch leads to skin irritation. Show poisoning symptoms, must promptly see a doctor.

Danger: The latex of the plant can penetrate through wounds in the skin and lead to poisoning. Always wear protective gloves when working on oleander.

Flowering time and propagation through cuttings

Grow oleander and cultivate it: cultivate

The oleander flowers between June and September.

The Trugdoldenblüten of the Oleander each have five sepals and petals and bloom from June to September. They only bloom strongly in summer at cold temperatures the buds do not unfold. The pollination of long-trunked butterflies produces up to 15 cm long fruit capsules.

Take cuttings of your oleander best during the flowering period between June and September. To propagate only strong shoot tips should be exposed without flowers. The Cuttings are cut off with a sharp knife - A pair of scissors could cause bruises in the plant tissue.

Subsequently, the branches are placed in a water-filled, light-tight container to a shady place. The lower shoot tip should maximum five inches in the water stand.

It usually takes four weeks until a root forms. Once the roots are one to two centimeters long, the cuttings can be potted in soil.

Claims and repotting the oleander

Grow oleander and cultivate it: grow

The oleander blooms in many colors and thrives particularly well in compacted soil.

At its natural sites, the oleander grows on stony, often flooded by flood surface. This soil is calcareous and highly compacted.

Conventional peat-containing potting soil, peat substrate or so-called greenery soil is therefore unsuitable for repotting. To be recommended is normal calcareous garden soil, ideally processed with some compost and loam. For optimal plant growth, add some garden lime and special long-term fertilizer or blue grain to the fresh soil.

The best time to repot is in the spring. Now the plants have enough time to get enough energy for their flowering phase in midsummer.

Cut oleander correctly

Grow oleander and cultivate it: cultivate

Cutting measures in spring keep the oleander in shape.

The annual shape cut of the oleander should ideally be done in the spring. For a healthy plant growth, cut one third of the shoots close to the ground to promote a new expulsion of strong, long shoots.

Some old shoots are cut less strongly, as targeted cutting measures close to the flower produces fast-growing, short shoots. Find a balanced balance between long and short shoots here.

In general, the oleander must not be cut after flowering. A shortening before the hibernation seems logical for reasons of space, but the plant harms considerably, as already at the old inflorescences are new buds for the following year. In addition are the oleander roots are active year-round and should not be stimulated by unnecessary cutting measures in the fall to a growth in their hibernation.

Always cut your oleander between spring and summer.

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Video Board: How to Grow Oleander from Cuttings | Growing Kaner Nerium Oleander Cuttings and Care in English