11/09/2026
How I divide my dahlias 💌
Honestly, don’t overthink it, I’m still figuring it out too! Rip, s**t and bust is my motto! If you have got big clumps then you don’t need to be too fussy which is great!
The main thing to look for is the crown, neck and tuber. The crown is the widest part just before the stem with small nodules on it, and you want each division to have a piece of crown, neck and a tuber attached.
I use long-nose snips to get into the tight spots and cut hard against the stem to get as much of the crown. My hori hori .hq trowel is so handy too. For really big clumps, a spade or even an axe will do the job. Especially to get it started and then get in there with the hori hori or snips.
If you’ve made some big cuts or wounds and you’re worried about rot, a dusting of cinnamon can help as an antifungal.
The more you get in there and have a go, the more you’ll start to see what you’re looking for and it will all start to make sense. Sometimes it is really clear where to snip and other times it isn’t so I just leave them in bigger clumps.
I’m also starting to wake up my dahlia tubers up too, I posted a video on this last night.
Happy dahlia dividing,
Flora x