Weldenia candida propagation

Wychwood Gardens & Nursery via pbs pbs@lists.pacificbulbsociety.net
Wed, 15 Dec 2021 14:34:33 PST
Thanks for the link, Gianluca. I’ll be interested to know how you go with the root propagation. I also tried taking a root cutting after a length of its brittle root system snapped off while repotting (6m ago here in winter in Australia). It has sat unchanged for around 6 months; no visible growth but no deterioration. 

I was fortunate enough to source my Weldenia from a brilliant grower here in Tasmania called Sally Johannsohn, which is no help to anyone outside of Australia, I’m sorry. 

I think Martin is right, the limited means of propagation is, no doubt, why they are so expensive. I have been hunting for seeds for quite some time, as I would love to increase the genetic diversity of mine. As far as I’m aware there are next to no seeds formed in cultivation? I suspect virtually all Weldenia in trade has been vegetatively propagated and are almost all clones. Perhaps someone else has thoughts on this?

Fwiw I grow mine in large containers with regular potting mix that has around 20-30% of coarse grit added for drainage, which I’ve found to be paramount. Winter wet/drainage has always been a greater challenge than temperatures (I get down to -13°/8f). 

Matt 

Sent from my iPhone

> On 15 Dec 2021, at 11:00 pm, pbs-request@lists.pacificbulbsociety.net wrote:
> Hi,
> It seems that a propagation method is "true" root cutting. I'm using it,
> but I will have to wait next spring to know if it will have worked in my
> case.
> I read about it in the RHS website:
> https://rhs.org.uk/plants/19106/… (Then click on
> "root cutting" in the propagation paragraph.)
> 
> I also would like to get different clones for seed propagation...
> And what about its blue-flowered form? (Not the best blue, though...)
> 
> Gianluca Corazza,
> Italy
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