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Cold frames

I'm taking a short break from making cold frames, and while I take a breather I am interested to know what you think makes a great cold frame ? Here is my quick list :
* Wooden sides
* Hinged lid
* Removable lid
* Hard wood or pressure treated timber
* No screws when assembling (eg. using wing nuts instead)
* No glass
* Double glazed (twin walled polycarbonate)
* Wood not dipped in preservatives, so can be used for organic gardening.
* Reinforcements near lid to prevent warping
* At least two levels to prop open the lid


Any gardeners out there think I've missed something ?


Jon
http://www.hawthorns.biz
Cold frames ... for the discerning gardener.

Re: Cold frames

Here is a few pictures of one of mine;

http://www.thegardenersalmanac.co.uk/Data/Coldframe/Coldframes.htm

Click on pictures to enlarge!

Note the patent glazing that allows the removal of the glass in summer.

Made from the glazing bars of an old aluminium greenhouse.

The base inside is lined with removable pallets which can be propped up high in the early part of the season and lowered as the contents increase in height!

Re: Cold frames

Tee Gee

Very creative and I like the removable glass panes idea! The cold frames have a nice rustic look to them. How have you attached the glass lid to the cement wall around it ?

I'm guessing you have a couple of cold frames around the garden and you move the plants around based on what stage of growth they are at.

Jon
http://www.hawthorns.biz
Cold frames ... for the discerning gardener.

Re: Cold frames

How have you attached the glass lid to the cement wall around it ?

I have screwed a 3"x2" timber wallplate to the top of the back wall. The lids are fixed with 'tee' hinges and I have used old casement stays to adjust the ventilation opening.

I'm guessing you have a couple of cold frames around the garden and you move the plants around based on what stage of growth they are at.

As it happens I have but in that one in the picture/s I have made an adjustable floor!
It is basically a duckboard sitting on bricks.
When the plants are first placed in the frame the floor is set to its highest position.
As the plants grow in height the floor is lowered (to cater for the plant height) by removing sucessive layers of bricks.

Thats all there is to it!

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