I mix our Club potting mix, so
here goes... My comments are in red. I'm glad to see some
activity on this list. Please keep it
Aneita in SO CAL
On 1/19/2013 6:47 AM, Barbara Pershing
of you had issues with your violets that you can attribute to
the particular soil mix you used?
Our club's potting mix is a soiless mix of 5
parts milled Canadian peat, 4 parts #2 perlite and 3 parts
vermiculite with a dollop of horticultural charcoal. This
allows people to amend it for varioius purposes.
What was in that mix that caused the problem and was it something
Vermiculite holds moisture and
fertilizer and for some few people it can cause the plants to be
too wet depending on how they use it and their growing
conditions and cultural practices, but generally they use it
with good success.
We've had some root rot but very little and
I think that would have occured anyway. Some people just
overwater or use a wick that is too large, or use their self
watering pots wrong.
What symptoms did it produce in your plants and was it
See our recipe above for the Club. My
personal mix is equal parts Sunshine Professional Mix without
any fertilizer pellets and #2 perlite. In fact I add a little
more perlite then that as I grow Streptocarpus and Miniature
Sinningias as well.
Do you mix your own? If yes, please share your recipe.
Sunshine has some Perlite already present, so it's pretty
No, I don't test the mix, but have had it
tested a while back and it tested only faintly acid. I don't
remember the exact number, but it was recommended by the program
presenter/commercial grower that I not change anything.
Do you test the pH of your growing medium? If yes, what method do
use for the test.
Where do you purchase your potting mix? Brand name?
I purchase the components from ouir local
nursery (Club mix) I use Sunshine Peat Moss. The Vermiculite
and Perlite are both Thermo Rock brand. I use whatever brand
of small horticultural charcoal I can find. Most of our
people use a layer of #3 perlite in the bottom of the pot, but
that's getting scarce out here in California.
For myself, I buy the Sunshine Professional
potting mix from "Crop Production Services", a wholesale
landscape and lawn supplier. We have a landscape maintenance
business, so get a good price.
I've never found a place to to buy Fafard or BX mixes, at least
not within driving distance.