Blue plastic. I don't use terra cotta much, though I have lots of them, because they dry out too fast. If I ever get around to making a sand plunge bed, which I've been promising myself for a very long time, I will then start using the clay pots. Diane Whitehead Victoria, British Columbia, Canada maritime zone 8, cool Mediterranean climate mild rainy winters, mild dry summers On 2-Apr-11, at 3:04 PM, arnold140@verizon.net wrote: > > Blue plastic or blue terra cotta? > > =========================================== > > My "keeper pots" are all blue. It makes it easy not to give them away > accidentally. > > Diane