21/06/2026
Let's talk waterlily dahlias for a moment.
Here in Australia, they seem to have earned a reputation for producing fewer tubers, with long, thin necks that can be more prone to breaking or rotting in storage. I've often wondered why that is.
Is it because many of our waterlily varieties trace back to similar breeding lines? Are these traits strongly inherited and likely to appear in their seedlings? Or is it simply that we've accepted these characteristics as part of growing waterlilies?
It's something I've been thinking about a lot as I work on my own breeding program. One of my goals is to breed waterlily dahlias that keep their beautiful form while also producing stronger, more practical tubers.
It also raises another question. If I were to grow an absolutely breathtaking waterlily seedling, but it had the same issues of poor tuber production, long, fragile necks, easily rots.. would it be irresponsible to release it? Or does exceptional beauty sometimes outweigh those shortcomings?
This seedling has given me a lot of hope, though. After drying in the shed for a week, this clump still weighed in at 3 kg. Once divided, it produced a conservative 25 keeper tubers, with another 10 discarded. The short necks certainly made dividing a little trickier, but they also feel far more robust for storing, handling and posting.
I'd love to hear your thoughts. If you were introducing a new waterlily dahlia to the world, how much weight would you give to the quality of the tubers compared with the beauty of the blooms?
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