Everyone seems to be writing about dahlias right now so please forgive me for joining in! This time last year I wrote about being Dotty about Dahlias and talked about the dilemma – to lift or not to lift? So I thought it would be timely so share with you the success (or failure!) of what we did.
Well, as you can see from the photo above, we have dahlias but are these my originals? This gigantic Veronne’s Obsidian is a great example of a successful ‘leave in the ground’ strategy. Being in south-west London, we should by rights be able to over-winter our dahlias in the ground. In November we cosied them up under a thick layer of our best leaf mould. In less that 24 hours our mulch was scattered to the four winds courtesy of squirrels and squirrel-chasing cats! Clearly whoever recommended the mulching approach didn’t own cats and apparently wasn’t pestered by squirrels either! What were we supposed to do, rake it all up each day and re-mulch? I think not! As the winter progressed and remained relatively mild, I kept my fingers crossed and then the Beast from the East struck! Well that’s it, I thought to myself, and promptly placed an order for replacement tubers!
It seems I need not have feared as not only did the giant Obsidian’s reappear, but so too my red Honkas! In fact, I think all the tubers that were left in the ground eventually reappeared and are currently in flower. To me, flowering seems to have been late this year – a result of the Beast from the East or the drought? Take your pick! Throughout August I kept watching the buds carefully, particularly some plants where it was clear that they were going to be absolutely covered in blooms, but nothing seemed to be happening. Then as September arrived, so did the flowers and, as it turned out, the bees with them. Both the Obsidians and Honkas have literally been a hive of activity over the past few weeks.
There have, however, been some puzzles. We continued to over-winter five dahlias in pots – three yellow Honka, a Bishop of Canterbury (above) and another of York. I have fed both the dahlias in pots, as I always do, and also those in the ground. However, despite their cosseted existence, the potted dahlias have performed poorly. The yellow Honkas have yet to flower and the two Bishops have been rather circumspect which has been disappointing. Their cousin the Bishop of Oxford, however, was left in the border and is flowering beautifully (below).
The other puzzle has been my replacement red Honkas which clearly aren’t! Having resorted to Google, it would appear that these are ‘Honka Surprise’ – how apt! Fortunately I rather like them and so they are welcome to stay.
So as autumn progresses, I am again faced with the dilemma of what to do with my dahlias? I’m pretty convinced that I’m going to leave all the tubers in the ground that are planted in the main border. I will mulch with something, even if it does merely serve as a squirrel playground. As for my potted dahlias, I definitely need a re-think. I’m half hoping that having written about them, they will now prove me wrong and launch into an autumn fling but if not, I think it may be time to go back to the drawing board, or rather the plant catalogue!
So did you leave your dahlias in the ground last year? And regardless of where they were left, are you dahlias flowering later than usual?