Grow Your Own Magazine

Hi all

I have a lean to greenhouse, south facing, which backs onto my garage wall.

The brickwork is a sort of sandy colour. Would I get any benefit if I was to paint the wall white?

Any advice gratefully accepted.

white is a really good reflective colour (if white is a colour) so painting the wall will mean more light reflected back into the greenhouse.

On my plot i have a greenhouse which backs onto a fence and then woodland, I've had a few panes break and swapped them for glass from the back nearest the fence. As these are replaced I fill in gaps with white panels (w/proof hardboard painted glossy white) this has improved the available light enormously.

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Kernow rag nevra http://www.cornishnotenglish.com/

The difference between genius and stupidity is that genius has its limits
Albert Einstein

Just be ordinary and nothing special. Eat your food, move your bowels, pass water and when your'e tired go and lie down. The ignorant will laugh at me, but the wise will understand
Bruce Lee

I wouldn't have thought light would have been an issue on a South facing wall?
The existing wall (not painted white) will be warmer and absorb heat through the day letting it out slowly through the night I would have thought!

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My Majesty made for him a garden anew in order
to present to him vegetables and all beautiful flowers.- Offerings of Thutmose III to Amon-Ra (1500 BCE)

Snadger's right - it's a light vs. warmth question. If you want warmth overnight, best to allow the wall to absorb heat which it then releases overnight. If you really think that light is an issue, then having a white wall could help, but you'll also be reflecting heat so you'll forgoe the overnight warmth.

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Sarah

“Tell me one last thing,” said Harry. “Is this real? Or has this been happening inside my head?”
“Of course it is happening inside your head, Harry, but why on earth should that mean that it is not real?”

Thanks for the advice. I didn't take into account the benefit I already get from the reflected heat- I'll leave it as it is.

Thanks for the help.