pbs Digest, Vol 89, Issue 4 agapanthus

Alberto Castillo ezeizabotgard@hotmail.com
Sat, 05 Jun 2010 10:53:57 PDT
 "It does seem to be a contradiction that some plants supposedly need 
> crowded roots in order to bloom when they have free root room in the wild. In my 
> case they bloom at the appropriate time even right after they have been 
> potted up. Can anyone explain the rational behind this situation?"


In both cases what they have is UNDAMAGED roots. Agapanthus, that are not bulbs but common herbaceous perennials with fleshy thick roots, resent very much having these trimmed and as a result will stop flowering until the complete root system is replaced. 


The notion that potbound plants flower more reliably is based on facts: roots confined are evidently not touched for long and intact. 


A practice of frequent division of clumps seems to be widespread. Unless impossible to avoid it will be at the expense of flowers. Established clumps grow large every year with more and more scapes.


Plants divided during the warm season heal better than those divided earlier when the ground is still cool. 


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