Re: Protecting Seed Pods
Amy Rupp wrote:
>
> > Make sure there is good contact with the ground all the way around the base
> > of the plant to avoid 'chimneying' the 'warm' air out the top of the cover
> > and generally to avoid drafts which defeat the purpose of the cover.
>
> I agree with the last sentence, that drafts creeping in underneath the
> cover are a bad thing, but how does that chimney the warm air out? Does
> the cold air seeping in on the bottom of the cover FORCE the warmer air
> up and out through the cover?
No, it's that the warm air can't flow up and out unless it is replaced.
If both the outflow and replacement have to go through the same small
hole
at the top, flow will be greatly reduced.
Gerry in Los Angeles, where the few rebloomers are rapidly
being overshadowed by the mums.
