Re: Blue Flowers

In a message dated 98-06-19 03:51:16 EDT, you write:

<< Might be a defect in my color vision but I certainly think of Centaurea
montana
 as being a true blue, and my veronicas look like a true blue as well.
  >>

The first garden that I grew Centaurea montana in they were probably more
"Blue", however, it's been so long since I have grown Centaurea montana that I
am typing from memory.

The beauty of different soils.  Here in my Michigan Blue Clay "Crap Soil",
Centaurea montana is very purple and all of the veronicas are also very
purple.  Just this year I have been experimenting with trying some of the acid
fertilizers on those plants that claim to need acid soil.  Of course, I won't
know right away, the out come, but if you have ever tried to grow anything in
my pottery soil you'll know why I experiment.  

And, yes, I do take soil samples in for testing and directions.  It always
amazes me that someone 20 miles away can grow acid loving plants, while I
cannot because of the amount of lime in our soil.  Plus there is the clay
factor.  You just can't put enough stuff into it.  I continue to be amazed by
the number of plants that thrive in this stuff.  They actually work to help
loosen the soil and seem to thrive in the stuff.  But, of course, color is
directly related to soils.  Maybe thats why I lack true blue flowers.  Donna
Adams in Detroit, Michigan Zone 6 
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