algae and moss in seedling pots

algae and moss in seedling pots
clayton3120 clayton3120 (Wed, 01 Feb 2012 09:59:23 PST)

On Wed, Feb 1, 2012 at 9:28 AM, Ken <kjblack@pacbell.net> wrote:

Thank you Tim, Nhu and James for your feedback,

I generally add no organic material in my seedling mix, which is generally
1/3 perlite, pumice and DG,

Around Seattle, gardeners often use granite chips (available at feed
stores, garden centers, stone yards) for seedling top dressing. It seems
to help keep the moss down , but not great for keeping Liverwort out of the
pots. I've used charcoal chips, and more recently crushed mineral
chips( available in garden centers ) which seem to be the most effective
in keeping these seed pot invaders in check.
For wet, dark winter climates such as ours, mosses , algae , and liverwort
are a huge problem for seed pots.
Rick K