hort.net Seasonal photo, (c) 2006 Christopher P. Lindsey, All Rights Reserved: do not copy
articles | gallery of plants | blog | tech blog | plant profiles | patents | mailing lists | top stories | links | shorturl service | tom clothier's archive0
 Navigation
Articles
Gallery of Plants
Blog
Tech Blog
Plant Profiles
Patents
Mailing Lists
    FAQ
    Netiquette
    Search ALL lists
    Search help
    Subscription info
Top Stories
Links
sHORTurl service
Tom Clothier's Archive
 Top Stories
Disease could hit Britain's trees hard

Ten of the best snowdrop cultivars

Plant protein database helps identify plant gene functions

Dendroclimatologists record history through trees

Potato beetle could be thwarted through gene manipulation

Hawaii expands coffee farm quarantine

Study explains flower petal loss

Unauthorized use of a plant doesn't invalidate it's patent

RSS story archive

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.





 © 1995-2015 Mallorn Computing, Inc.All Rights Reserved.
Our Privacy Statement
Other Mailing lists | Author Index | Date Index | Subject Index | Thread Index