Rhododendren (Gelesen 763124 mal)

[raiSCH]

Meine herbstblühenden Rhododendren haben heuer erstmals keine Blütenknospen angesetzt. Wie sieht es bei Euch aus?

[goworo]

Ich habe nur eine einzige, welche üblicherweise auch im Herbst blüht: 'Lillian Peste'. Hat heuer auch keine Knospen angesetzt.

[raiSCH]

Ich habe mehrere, aber alle ohne Blüten heuer - scheint eine Folge des Hitzesommers zu sein.

[Tsuga63]

Hier blühen die üblichen `Verdächtigen`:
`Weinlese`

im Garten meiner Eltern

[raiSCH]

Gerade die 'Weinlese' hat keine Blütenknospen.

[Tsuga63]

`Macarena`



im Garten meiner Eltern

[Tsuga63]

@ raiSCH: das ist schade , die hier gezeigte Pflanze (`Weinlese`) blüht seit ca. 20 Jahren zuverlässig im Herbst, mit mit 80-90% der zahlreich gebildeten Blütenknospen.

Vermutlich hast du zuwenig gegossen

[Gänselieschen]

Ich habe gerade mal nach 'Macarena' geschaut - und bei Horstmann erwähnen die nicht einmal, dass er vor allem im Herbst blüht - schreiben von Blüte im Mai - woran kann das liegen?

Auch Nielsen schreibt Mai - und beide empfehlen Winterschutz.

Bist du sicher, dass es Macarena ist?

[Tsuga63]

@ Gänselieschen:
ich bin mir zu 99% sicher, es ist `Macarena`, diese Pflanze wurde direkt bei Hachman gekauft!
Ich habe mit Holger Hachmannvor einigen Jahren über dieses Thema gesprochen; die Tendenz zur Herbstblüte bei dieser Sorte ist ihm bekannt, aber vermutlich regional und witterungsbedingt von Jahr zu Jahr unterschiedlich ausgeprägt.
`Macarena` blüht bei mir nicht jedes Jahr im Herst so üppig wie in diesem Jahr.
Überhaupt scheint es bei den sogenannten herbstblühenden Rhodos ein Nord-Süd-Gefälle zu geben, die Blühneigung ist im warmen Süden vermutlich stärker.
Die, von mir favorisierte, `Weinlese` sollte bei dir in Brandenburg gut funktionieren.

Horstmann ist k e i ne Baumschule, sondern ein Händler. Die Pflanzenbeschreibungen bei ihm sind gut recherchiert, aber eigene Praxis-Erfahrungen vermutlich nicht vorhanden...

Die Winterhärte von `Macarena` war hier in Sachsen bisher gut, - 18° ist wohl die Grenze

[Tsuga63]

`Weinlese`, nicht perfektes Handy-Bild von heute

[Tsuga63]

Traurige Nachricht für alle Rhododendron-Liebhaber:

Versandhandel von Cox - Glendoick Gardens für Rhododendren und Azaleen geht nach 75 Jahren zu Ende.
(Das war für uns, seit dem Brexit, leider schon etwas länger vorbei...)

Auszug aus e-mail:

"Closure of Glendoick Mail Order this Autumn. Last chance to order Glendoick Plants Very sadly, after 75 years, Glendoick Gardens Mail order for Rhododendrons and Azaleas is coming to an end. We will still be supplying our garden centre with stock into next spring and hopefully beyond. It is a blow to have to bring such a successful and influential mail order nursery to an end. Glendoick’s closure will have a significant effect on rhododendron conservation of both species and hybrids, as many will no longer be commercially available in the UK. Why is Glendoick Mail order closing? Brexit In January 2020 Overnight Glendoick (in common with almost all UK nurseries) lost the ability to export plants to Euroope including Ireland. These closed access to many of our biggest customers. The Brexit agreement means that, any plants grown in soil or bark products could not be exported. Ironically, had we grown our rhododendrons in pure peat, might we be able to export. Over 35% of our output was exported to Ireland and Continental Europe. That disappeared due to the refusal of successive governments to sign up to any of the options available. Single market, Norway agreement etc. This has also affected Scottish fishermen who can’t export seafood unless they land it in Ireland and the multimillion pound seed potato industry. I have corresponded with successive UK agriculture ministers who cliamed to want progress but there has been no movement. Climate Change
Recent hot dry summers have made growing rhododendrons in the south east of the UK a significant challenge. This year, the RHS are considering migrating all their collections north from Wisley. Our limited customer base is shrinking due to climate challenges and hosepipe bans and rhododendrons are a shrinking market in low rainfall areas. Peat Ban For 10 years or more, I have been involved in consultations and making the argument for exemptions to the peat ban for plants which have evolved to grow on peat: ericaceous plants, carnivorous plants etc and to allow the use of blond young sphagnum to be used which has little or no carbon storage. The RHS and Royal Botanic Gardens have not backed a common sense approach on exemptions. Glendoick can no longer exhibit at RGS shows as we are unable to sign their peat declaration. We have trialled most of the commercial and non-commercial peat free ericaceous mixes on the market and have not found one which can grow acceptable plants. Our field grown rhododendrons are grown to saleable size without peat. Propagation and container production uses a reduced peat mix. Economics Owing to tnhe 3 points discussed above, the nursery has not been profitable for some time. In the current economic climate we cannot see any way to reverse this. Spray damage on some plants this year. We have good stocks of many items this year but we are short of species and some dwarf rhododendrons and deciduous azaleas, due to spring spray damage. Some plants are a little smaller than normal. FAQs When will the nursery mail order end? This Autumn, some time in November. Please order in September and October so we can get your order out in good time. Can we get plants from Glendoick garden centre. Yes for the time being. All remaining stock will be available at the garden centre. Will the gardens remain open? Yes for 2027 and almost certainly beyond. Will Glendoick exclusive plants be available from other outlets.? We are not sure yet but hope that some of them will be propagated by other nurseries. Glendoick Gardens Mail Order Autumn 2026 Glendoick Gardens, Perth, Scotland: rhododendron, azaleas, acid-loving plants.
Stocktaking is complete, and our new season stock is now online. • Minimum Mail Order UK & N Ireland, delivery is £120 ex vat, postage. • Postage (mainland Uk) for a box of plants starts at around £22 for up to 30 kilos which is approximately 10 larger or 20 smaller plants. Highlands and Islands and N Ireland are a little more expensive for postage. • Collection orders (min £50 ex VAT) October-late March • On-line orders from this webshop are for delivery October-March only. We can send to Northern Ireland and large orders to Norway (by boat) but not to other EU destinations, Order Rhododendrons here Order Azaleas Here Order Shrubs here Order Books here Order Specimen plants (cannot be posted) here. Special Offers and Collections Here."