Do not bet these invasive plants in your garden.For some, the authorities will punish you
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Invasiveness, wild growth, difficult disposal, but also dangerous toxicity, including possible skin damage and allergic reactions. These are the characteristic features of some plants, which in some cases would be better not to bring to the garden at all. Let's imagine some of them.
If you want to buy, for example, libora (Lantana) for your garden, it is good to realize that it is officially the most invasive plant in the world. It causes problems on more than a third of the land on our planet. Among the aquatic plants, it is similar to the water hyacinth, or Eichhornia crassipes. For the same reason, libora can only be grown here as an annual, or we have to place the plants in mobile containers and winterize them. The genus Libora includes about 110 species of shrubs with simple responsive and serrated leaves and small but striking flowers thanks to the head-shaped inflorescences. The best-known and most invasive is the changing libora (Lantana camara), which is grown in the tropics and subtropics of the whole world as an ornamental shrub that quickly spreads into nature. Its flowers change color from yellow to purple during flowering. And since it is a highly poisonous plant species, it causes poisoning of livestock all over the world. Do you have pets and herbivores in your garden? Be careful!
Libora changer (Source: Shutterstock) Water hyacinth (Source: Shutterstock)If someone in the neighborhood offered you seedlings Kryptonia (Reynoutria) and it doesn't matter what kind (Japanese, Czech, Sakhalin, ...), know that it breaks the law. The situation around the winged plant has reached such a point that we are not allowed to grow it at all! Not one! Let alone create a fence of the plot and the like from it. The winged plant aggressively spreads around and completely shades the soil, so nothing else grows under it. Therefore, you will not find wingtips in any case in horticulture. In addition, it creates a huge amount of biomass in one growing season, which remains lying on the ground, rots and creates a rich supply of humus for the new individuals of the winged plant for the next season. It is even true that if we discover a location with an aggressive occurrence of Kestrel, we should report it to the authorities (e.g. the environmental department of the local municipal authority). The office will then ensure its liquidation.
The same applies to the magnificent bulrush (Heracleum mantegazzianum). Although this plant used to be a popular garden decoration, today we try in vain to push it out of our nature, where it literally destroys other plant species by aggressively occupying their living space. And know that you will pay a hefty fine for such a bollworm or a winged moth, if it is proven that they have escaped into the surrounding area from your garden. For example, multi-million sums are spent on the fight against the Bolshevnik, and in fact it can be said that it is in vain. It is similar with him as with the Bolshevik (nomen omen).
Magnificent bellflower (Source: Shutterstock)Canadian goldenrod (Source: Shutterstock)Among the species that will be very difficult to get from your garden later on is also the fragrant lily of the valley (Convallaria majalis), although its free occurrence in nature is considered rarer and in a way for rarity. Likewise, an herb called mint (Mentha), which also spreads aggressively with its rhizomes, and a much more robust herb called Canadian goldenrod (Solidago canadensis), which, unlike mint and lily of the valley, has been declared a war in nature. In addition, it is good to know that all parts of the beautifully blooming and fragrant lily of the valley are poisonous, and the most dangerous are the red fruit balls (berries), as they will surely attract your small children.
Lily of the valley (Source: Shutterstock)Mint (Source: Shutterstock)Rhus (Rhus) is also a dangerously poisonous and highly invasive species with its roots. Although it is a popular shrub and tree, the cultivation of which is not prohibited, but it can make a lot of wrinkles on your forehead. They will lift up the wall, the sidewalk, the expensive paving, they will even take root in the foundation of your house, they are simply trying to overcome everything that stands in their way. And with incredible power. Even the planting is recommended in such a way that we should dig a wide pit to a depth of one meter and secure it all around from the inside with a strong steel sheet, which we will provide with perfect anti-corrosion (coating, spraying) and we will hope that it will remain intact in the soil for as long as possible.
Sumac (Source: Shutterstock) Ivy (Source: Shutterstock)
Wisteria (Wisteria) and Christmas tree (Laburnum anagyroides) have the unpleasant property that in their pods we find highly poisonous seeds that are guaranteed to kill. After all, she will cause big problems even with raw bean seeds. In the case of the extremely poisonous mullein, i.e. real golden rain (it is incorrectly called that), then just two bean-like seeds are said to be enough. In addition, the roots of wisteria and sycamore are literally a plague that survives in the soil for centuries. And the plants themselves form such a huge climbing mass above the ground that they shade a huge area. However, if you want plenty of the desired shade under the pergola and at the same time desire beautiful inflorescences that fall down from these vines like pastel waterfalls, just choose a color. In addition, you will also get enough privacy. Climbing ivy (Hedera helix) and other ivies are similarly affected. It grows much slower, but its roots are really hard to get from the garden, and it doesn't need a support, and if it doesn't have one, it will weed huge areas on the ground. However, in an unmaintained slope where weeds would spread, this is an ideal solution.
Wisteria (Source: Shutterstock) Dogwood (Source: Shutterstock)The red yew (Taxus baccata) is also highly poisonous. The flesh of the berries themselves is not poisonous, but don't even think of eating them. The danger lies in the seeds. Just a few are enough. In addition, yew juice can cause serious dermatological problems when it is cut.
Prunus laurocerasus (Prunus laurocerasus) is a popular evergreen tree (shrub) for hedges, but its fruits (black berries) are highly poisonous. They cause diarrhea, vomiting, shortness of breath, headaches, dizziness and eventually loss of consciousness.
Red yew (Source: Shutterstock) Buckthorn creates impenetrable evergreen walls, which is why it is popular for hedges (Source: Shutterstock)Datura stramonium (Datura stramonium) is also dangerous. The angelic trumpets of its flowers symbolize the hallucinations that this plant induces. In addition, however, strong feelings of thirst and eventually unconsciousness. Although it is used as a psychotropic plant, it is definitely not a safe one. It's even on the index.
The angelic trumpets of dahlia flowers are bigger than a human hand (Source: Shutterstock)Blooming rhododendron (Source: Shutterstock)Some species of rhododendron (Rhododendron), naturally obtained seedlings of the blue-purple flowering lupine (Lupinus polyphyllus) are also poisonous. , in which a few seeds are enough and dying is long and painful, and also the extremely dangerous castor bean (Ricinus communis), which is considered the most poisonous plant in the world. Nevertheless, it is very popular in our gardens. Apparently we are a nation of grazers. And lupine, for example, is also highly invasive.
Lupine (Source: Shutterstock) Common springtail (Source: Shutterstock)An ornamental grass called Miscanthus chinensis (Miscanthus chinensis) can literally grow over our heads, if you let it sow, you won't be surprised next year. The same also applies to milk thistle (Silybum marianum), whose seeds must be harvested in time, otherwise we have a serious problem and its spiky roots will be more difficult to get rid of than, for example, the roots of the well-known and ubiquitous weed (Taraxacum officinale). Not to be missed is the climbing cucumber (Cucumis anguria), which also reproduces extremely quickly and easily by seeds, similar to morning glory.
Chinese ornamental plant (Source: Shutterstock) Milk thistle (Source: Shutterstock)For garden rockeries, the great danger of other plants is the felt hornbeam (Cerastium tomentosum), which forms rich cushions even on various walls, where it is, however, usually welcome. Similar problems exist with phlox subulata.
Cornflower (Source: Shutterstock) Clover (Source: Shutterstock)And finally, let's mention one more plant, the tuberous sunflower (Helianthus tuberosus L.), whose fruits (tubers) we call Jerusalem artichokes and can replace potatoes. Cultivation of this highly invasive species has already been banned in Slovakia, for example. It is allowed here, but it is a matter of time before the authorities reconsider their benevolence. Jerusalem artichoke, unlike ordinary sunflowers (ornamental and grown for seeds), can be grown as a perennial crop, when new plants will grow from the tubers that remain in the soil in the spring. Jerusalem artichokes grow luxuriantly and quickly displace other plants from their territory. And believe me, even after thorough disposal, there will always be some piece of viable tuber in the soil. Although we are allowed to grow Jerusalem artichoke, if we do not monitor it on our property, we risk a hefty fine.
Source: ČESKÉSTAVBY.cz
Tuberous sunflower or Jerusalem artichoke (Source: Shutterstock) Tuberous sunflower or Jerusalem artichoke (Source: Shutterstock)
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