26 replies to this topic

[meizwang]

I actually have it very easy-the weather in general here in Northern California is mild and warm.   However, when growing outdoors, you are at the mercy of mother nature.  I remember we had one year in the late 90's where it was cloudy and cold until the end of June, and the plants looked horrible!  But for the most part, they look like this:








Try to find the sunniest location possible.

[Amar]

I would like to ask, why is it, that under plasic, Sarras can get deeper colour than outside in the sun? I was looking for an answer online, but found nothing. Can someone explain and/or point me to an explaining link?
thanks!

[Megs]

In my experience, nothing beats the color of plants grown outside...
Martin

Amar, on 27 May 2012 - 23:35 PM, said:

I would like to ask, why is it, that under plasic, Sarras can get deeper colour than outside in the sun? I was looking for an answer online, but found nothing. Can someone explain and/or point me to an explaining link?
thanks!

[gardenofeden]

Amar, on 27 May 2012 - 23:35 PM, said:

I would like to ask, why is it, that under plasic, Sarras can get deeper colour than outside in the sun? I was looking for an answer online, but found nothing. Can someone explain and/or point me to an explaining link?
thanks!

perhaps the hotter days boost anthocyanin levels?

[Amar]

gardenofeden, on 28 May 2012 - 11:39 AM, said:

perhaps the hotter days boost anthocyanin levels?

I guess that must be a factor, true, but then again, cold temperatures can also bring out the anthocyanins in certain plants, like Cephs, no?

[Amar]

http://www.ncbi.nlm....pubmed/11975729

...low temperatures cause an increase and elevated temperatures cause a decrease in anthocyanin concentration...

Confusing matter. Any biologists in the house?

[gardenofeden]

I believe that's during respiration (at night) and that hot days favour production during photosynthesis, so you get maxumum colour with hot days and cold nights....