Landscaping of roofs and terraces

Landscaping of roofs and terraces

Озеленяване на покриви и тераси – как да изберем правилните растения?

Озеленяването на покриви и тераси е висшата форма на градския ландшафтен дизайн. It transforms unused concrete surfaces into living oases, but it comes with its own specific challenges: extreme solstice, strong winds and a limited amount of soil. Success here does not depend only on aesthetics, but from the right choice of species, that can survive in these harsh "heavenly" conditions. In this article, we will look at which plants are the most resistant for roof landscaping and what technical rules you need to follow.

Contents

The microclimate of the roof: The sun, wind and drainage

Before choosing plants, you must understand, that the conditions on the fifth floor terrace are radically different from those in the courtyard.

  • Evapotranspiration: Wind and direct sun pull moisture from leaves and soil much faster.
  • Temperature amplitudes: In summer, concrete and pavements heat up to 50-60°C, and in winter the roots in the pots are more exposed to frost.
  • Limited weight: Any plant, substrate and potting should be in accordance with the load-bearing capacity of the structure.

Succulents and sedums – the champions of extensive landscaping

If you are looking for low maintenance landscaping for your roof, the seven (fat) are the best choice.

  • Предимства: They store water in their leaves and can go weeks without watering.
  • Vision: They create a dense colorful carpet, which changes its colors during the seasons – from green and yellow to deep red.
  • Technology: They can be grown in a very thin layer of substrate (5-10 cm), making them light and safe for the roof.

Ornamental grasses - dynamics and durability

Ornamental grasses are a must for modern terraces.

  • Species: Glaucous fescue (blue weasel), Stipe and Carex are extremely wind resistant.
  • Effect: They give movement and sound to the garden, while serving as an excellent visual barrier, without being structurally burdensome.

Hardy shrubs and small trees for planters

For larger terraces, you can also use more voluminous vegetation, as long as the containers are properly sized.

  • Lavender and Rosemary: They love the sun and are used to dry conditions.
  • Yucca and Cordyline: They give an exotic look and are very resistant to peck.
  • Dwarf pine (Pinus mugo): Evergreen accent, which grows slowly and tolerates container growing well.

Why automated watering is a must

On an outdoor terrace, plants can dry out in just one afternoon, if watering is omitted.

  • Drip irrigation: The most efficient way to supply water directly to the planters without waste.
  • Smart controllers: They allow remote control and automatic increase of irrigation doses during the heat waves in July and August.

Frequently asked questions

1. Мога ли да ползвам обикновена градинска пръст в саксиите на терасата?
Не е препоръчително. Тя е твърде тежка и сляга бързо. Използвайте специализирани леки субстрати с перлит или керамзит за по-добра аерация и дренаж.

2. Как да предпазя растенията от вятъра?
Използвайте тежки, стабилни кашпи и избягвайте растения с много големи и нежни листа, които вятърът лесно може да разкъса.

3. Трябва ли ми хидроизолация под саксиите?
Ако терасата е над обитаемо помещение, качествената хидроизолация и правилното отвеждане на дренажната вода от саксиите са абсолютно задължителни, за да избегнете течове.

Conclusion

Озеленяването на покриви и тераси е инвестиция в качеството на живот в градската среда. С правилния подбор на устойчиви видове като седуми, треви и средиземноморски храсти, вашата тераса може да се превърне в прохладно място за почивка дори в най-горещите дни. Ключът към дълготрайната покривна градина е комбинацията от издръжлива растителност и надеждна автоматизирана система за напояване.

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