Rhododendron ferrugineum, Nova zembla, roseum

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Of the beautiful, lush flowering shrubs, the rhododendron, there are well over 100 species. The hybrids are evergreen and therefore even outside the flowering season, attractive by their pretty foliage. They grow thick-bushed, older plants can grow up to three meters high. The evergreen, dense foliage is also in the cold season an ideal noise and privacy.
Of breathtaking beauty are the ball-shaped, large inflorescences, which consist of funnel-shaped to cup-shaped flowers. They bloom in almost all colors except pure blue. The offer is constantly being extended by new breedings. Rhododendrons are planted in spring or autumn. They can be planted individually or in groups, on the edge of the wood, under tall trees or as a freely growing hedge. Low growing varieties are ideal for green areas.
The soil should be rich in humus, permeable and acidic. For the fertilization one uses garden compost, which is spread out as mulch in a thin layer. The compost is not dug because the flat root system can be damaged. Propagation takes place after flowering through sinkers.

Common rhododendron species

  • Rhododendrons ferrugineum are rust-leaved hybrids. They often bloom in the Alps but also outside the mountains. The flower of ferrugineum reaches into the late summer.
  • Of the Rhododendron nova zembla has a particularly gorgeous, purple flower color. Nova zembla prefers a half schady site and a lime-free, moist soil. The plant nova zembla can be cut or lightened immediately after flowering, but this is not absolutely necessary.
  • Rhododendron roseum is a bushy shrub that reaches a height of 1.6 meters. The flower color of the roseum is pink to purple. The leaves of roseum are oblong, oval and dark green.
Many varieties of rhododendron for every location in the garden
Species that belong to the genus Rhododendron have, with a few exceptions (Africa, South America, non plant-covered extreme locations) developed all by themselves in all parts of the world. Around 1,000 species have emerged, which have their home in all possible climatic regions. Therefore, the purchase of a rhododendron for your garden is quite an endeavor that should be addressed after some previous information - there are rhododendrons in any size, in any desired flower color and for any location in the garden.
However, you should know which rhododendron you are buying - the flowering shrubs can reach tree heights, in your yard, if you catch the wrong variety when you buy them. For example, gardeners in the British Isles and other regions of Europe, where it does not get very cold in winter, have been struggling for quite some time with the Pontic rhododendron, which spreads invasively, pushing aside native flora and fauna. Of the Rhododendron ponticum Survive only in regions where there are really no serious frosts in winter, but such regions exist in some places in Germany as well.
However, if you do a non-critical shopping, you are less likely to run the risk of "taking over your garden", but you are more likely to risk being sold by a proud seller of a newly bred, especially beautiful and very expensive strain This is at most "a little frost-sensitive". If this extravagant new breed is a rhododendron that originated from a tropical climate parent, you will most likely not experience the highest plant happiness in one of the colder regions of Germany.
  • To get an overview of the different varieties and their origin, you would have to deal a little closer to the topic - the systematics of the assignment of the 1,000 varieties is controversial and is occasionally changed, a first idea of ​​the complexity of the classification you get z. On the website flounder.ca/FraserSouth/Goetsch-Eckert-Hall.asp.
  • If you do not feel like or have the time to do research on rhododendrons, you might want to contact a nursery that knows the subject. In the northern half of Germany z. B. to the nursery Hachmann in 25355 Barmstedt, hachmann.de, to the absolute rhododendron specialists, in the south and west you could turn to the nursery Nagel in 75015 Bretten, www-baumschule-nagel.de.
Well-known rhododendron varieties are a sure purchase
If you want it to be faster and easier, you could simply buy one of the varieties that have already proven in many gardens in Germany that they are up to our climate. Of the Rhododendron ferrugineum, which is called in German Rostblättrige Alpenrose, belongs z. B. to these varieties. He is based in Europe, and not in the warmest areas: He still grows in the Alps at altitudes up to 3,000 meters, as it is really not very warm in winter.
The other two rhododendrons named above, the "Nova Zembla" and the "Roseum" are both well-tried in German gardens. Both are hybrids of unknown origin, but both are known as flowering and undemanding and generally hardy for us. Without protective snow cover but a little winter protection is recommended.
Rhododendrons for every soil
If you've heard that a rhododendron actually needs an acidic soil, that's only partially true. Many species have evolved in wetlands with slightly acidic soils, that's true. If you buy such species, they can be planted well in the vicinity of coniferous trees in the garden, which in any case make the soil more acidic. But if you have "normal soil" in the garden, you also have other options with regard to the rhododendrons than to change the pH of the soil. For some species, it simply depends on an experiment:
  • The Rostblättrige Alpenrose grows z. B. quite occasionally in the Limestone Alps.
  • Then there are rhododendron varieties that even demand lime-rich soil, like the Rhododendron hirsutum, the eyed alpine rose. It is of course mainly distributed in the Northern and Southern Limestone Alps and can do little with acid soil.
  • Then there are today also breeds that endure a neutral pH in the soil well, such. B. the Inkarho rhododendrons, cultivars of Inkarho GmbH from 26160 Bad Zwischenahn, inkarho.de or the Rhododendron × intermedium, one out Rhododendron hirsutum and Rhododendron ferrugineum resulting hybrid.

Video Board: ⟹ RHODODENDRON | Ferrugineum | In flowers ! Grown from a plant from LOWES!.

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