Table of Contents
- 1 How many varieties of Rhododendrons are there?
- 2 What is the rarest Rhododendron?
- 3 What is the species of Rhododendron?
- 4 What is the biggest Rhododendron?
- 5 What is the biggest rhododendron?
- 6 What is the hardiest rhododendron?
- 7 What is the difference between Rhododendron and mountain laurel?
- 8 What is the small species of Rhododendron called?
- 9 How many species of rhododendron are there in the world?
- 10 Which is the largest subgenus of Rhododendron?
- 11 How big are the leaves of a rhododendron?
How many varieties of Rhododendrons are there?
There are about 1000 species of Rhododendrons, ranging from small shrubs to tall trees. We set out the main types plus the most common varieties. The name Rhododendron has been derived from the Greek words, rodon which means rose and dendron which means tree.
What is the rarest Rhododendron?
Ray Abraham, discovered the 100-year-old Rhododendron beanianum just two months after taking up his role as head gardener at Minterne House. It is thought to be the only one in existence in the country. Ray Abraham rediscoverd the rare lost plant at Minterne House near Dorchester.
How many Rhododendron hybrids are there?
Since rhododendrons hybridize so easily, over 10,000 hybrids have been registered internationally. To further confuse everybody, there are also over 10,000 azalea hybrids registered.
What is the species of Rhododendron?
Rhododendron, (genus Rhododendron), diverse genus of about 1,000 species of woody flowering plants in the heath family (Ericaceae), notable for their attractive flowers and handsome foliage.
What is the biggest Rhododendron?
As suggested by its name, the big tree rhododendron is a giant, reaching up to 30m in height and around 1m in diameter – the largest rhododendron in the world.
What is the largest variety of Rhododendron?
Great-laurel or rosebay rhododendron is a loose, open, broadleaf evergreen with multiple-trunks, upright branching, and the largest leaves of all native rhododendrons. The plant grows 4-15 ft. in the north, but can grow 30 ft. high in favorable sites.
What is the biggest rhododendron?
What is the hardiest rhododendron?
In the 1980s, a series called Northern Lights was introduced. These are the hardiest rhododendrons ever found or produced. They can withstand temperatures in zone 4 and even possibly zone 3. The series are hybrids and crosses of Rhododendron x kosteranum and Rhododendron prinophyllum.
Why is Rhododendron bad?
Its leaves are poisonous to animals. Its foliage is so thick that nothing can grow underneath. In 2014, two experienced hillwalkers had to be rescued when they became trapped in an “impenetrable forest” of rhododendrons.
What is the difference between Rhododendron and mountain laurel?
Mountain laurel’s are smooth and a paler shade of green than their top side. While Rhododendron’s leaves are also a paler shade of green on the underside, in addition, they are covered in a brown fuzz. Rhododendron leaves are longer than Mountain laurel leaves.
What is the small species of Rhododendron called?
Tough alpine Rhododendrons for the front of borders which mainly flower in April. These are mainly alpine varieties of rhododendron, and range from tiny gems such as Rhododendron keiskei ‘Yaku Fairy’, to larger growers up to heights of around 80 cm after 10 years.
Where is the oldest rhododendron?
Age records
| Nr | Country | Location |
|---|---|---|
| 1 | Italy | Villa Carlotta, Tremezzo |
| 2 | Germany | Wächtersbach, Wächtersbach |
How many species of rhododendron are there in the world?
This List of Rhododendron species includes species of the genus Rhododendron, which is in the plant family Ericaceae. Depending on the source, there are anywhere from 800 to over 1,100 wild species. The vast majority of Rhododendron species are native to the eastern Himalaya and southeast Tibet,…
Which is the largest subgenus of Rhododendron?
The largest of these is subgenus Rhododendron, containing nearly half of all known species and all of the lepidote species. Subgenus Rhododendron L.: Small leaf or lepidotes (scales on the underside of the leaves). 3 sections, 462 species, type species: Rhododendron ferrugineum.
Are there any rhododendrons native to South America?
No Rhododendron species are indigenous to Africa or South America. By far, the largest number of wild species rhododendrons are native to Asia.
How big are the leaves of a rhododendron?
Rhododendrons are a diverse group of flowering plants. This genus covers about 1000 species which are subdivided into numerous subgenera. As mentioned above, they may be evergreen or deciduous. The leaves of this genus are arranged spirally and vary in shapes and sizes ranging from 2 centimeters to 100 centimeters.