By Green70
Lancashire,
United Kingdom 
I have a white Agapanthus which has been in the same position for a few years is now well established and quite a big clump but has only ever produced one flower and this year shows no sign of any blooms again.Any ideas please.
31 May, 2015
Answers
Or it could be planted too deep.
Don't be tempted to divide the clump though, you can get the crowding needed by letting the clump develop itself.
Do you feed it? do you protect it over winter?
31 May, 2015
Thank you sheilabub for your reply I think that maybe the cause of the problem.
Thank you Urbanite for your reply I will do as you say and see how it goes.
1 Jun, 2015
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The only thing I know about Agapanthus is that they like hot sunshine and tightly packed roots (when in a pot, that is). Is yours in a shady, damp position maybe??
31 May, 2015