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Re: Re: CULT: Dye to colour Roundup

  • Subject: Re: [iris-talk] Re: CULT: Dye to colour Roundup
  • From: Paul Tyerman <ptyerman@ozemail.com.au>
  • Date: Sat, 23 Jun 2001 11:50:02 +1000

At 09:07  22/06/01 -0400, you wrote:
>  Thanks Paul - how much food coloring do you add to a quart or gallon of
> mixed Roundup?


I buy this tiny little bottle of food colouring for 70c and that does about
three spray containers (i.e around 18 litres), so you don't need much.  I'd
say use a bit of trial and error.  I don't think the bottle is even 100ml.
Will try to go out to the truck and check to see how big the bottles are.
If I remember. <grin>

Another comment as to why the blue not the red...... on plants the blue
fades to green, whereas the red stays red/pink when the plant dies.  Dead
plants that have a vague blue tinge are much better than dead plants that
are bright red/pink.  But the tinge really is vague blue, almost unnoticeable.


Paul Tyerman
Canberra, Australia.  USDA equivalent - Zone 8

Growing.... Galanthus, Erythroniums, Fritillarias, Crocus, Cyrtanthus,
Liliums, Hellebores, Aroids, Irises plus just about anything else that
doesn't move!!!!!


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