Oxalis palmifrons

Mary Sue Ittner msittner@mcn.org
Tue, 02 Oct 2018 15:04:33 PDT
The usual advice with growing South African Oxalis is to repot regularly 
(and be careful about which you put in the ground.) For one thing they 
tend to increase by offsets in some cases rapidly and a lot of 
experienced growers have found they flower better when repotted. I repot 
most of mine every year sending the offsets to the BX. And right now a 
number of the ones that flower this time of the year are making a 
beautiful display. One species I had trouble getting to flower  even in 
a deep pot (which turned O. melanosticta 'Ken Aslet' into a species that 
flowers well and long now) was Oxalis palmifrons. It has such wonderful 
leaves that it would be worth growing just to appreciate them every 
year. Eventually I decided to put it in one of my raised beds where I 
grow in my own peculiar system of pots in pots with sand-gravel in 
between the pots. Then if I wish to unpot  one thing I can easily pull 
the one pot out and leave the other in place so the hole doesn't fill 
with the sand-gravel mix. I have to check these pots every year to make 
sure that the redwood roots haven't encroached into the pots from below, 
but if that hasn't happened I often don't get around to repotting or for 
that matter even fertilizing. I have found this neglect suits Oxalis 
palmifrons. The last few years it has flowered well. The flowers aren't 
as spectacular as the leaves, but it is still fun to see them as they 
appear. The ones in the photos I'm attaching are in a pot I last 
repotted in 2012.

Mary Sue

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