Godless in the garden


Godless in the garden

Discussing all aspect of gardening.

Location: Planet Earth
Members: 173
Latest Activity: Feb 5

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Comment by Idaho Spud on February 3, 2019 at 12:00pm

I read Wikipedia article on "Grow Lights" and it indicates green light is needed besides red and blue, but the closer you can get to sunlight, the better.  It has a chart similar to the one I posted yesterday.  Here is some quotes from Wikipedia:

"NASA has tested LED grow lights for their high efficiency in growing food in space for extraterrestrial colonization. Findings showed that plants are affected by light in the red, green and blue parts of the visible light spectrum.[9][10]"

"LED grow lights vary in color depending on the intended use. It is known from the study of photomorphogenesis that green, red, far-red and blue light spectra have an effect on root formation, plant growth, and flowering, but there are not enough scientific studies or field-tested trials using LED grow lights to recommended specific color ratios for optimal plant growth under LED grow lights.[21] It has been shown that many plants will grow normally if given both red and blue light.[22][23][24] However, many studies indicate that red and blue light only provides the most cost efficient method of growth, plant growth is still better under light supplemented with green.[25][26][27]"

"Many studies indicate that even with blue light added to red LEDs, plant growth is still better under white light, or light supplemented with green.[25][26][27"

Comment by Joan Denoo on February 2, 2019 at 11:47pm

Green is the New Silver (Lining): Crisis, Hope and Permaculture 

As we gear up for a new season of growing food, the changes in weather and climate leave us with many unknowns, we need to be flexible and adaptive. I chomp at the bit to get my fingers into the soil and am getting ahead of myself. Slow down, Joan, don't get seedlings started too early! 

Thanks for the information on absorption spectra of pigments, Spud, and the comparison of LED vs T5, Daniel.  I can start there and assuage my eagerness for a little longer. 

Comment by Idaho Spud on February 2, 2019 at 12:37pm

Someone on Quora posted this image of what colors of light that plants use.  I don't know what the story is, but it appears that plants may use green as well as blue and red, leaving yellow as the color they don't use. 

Comment by Randall Smith on February 2, 2019 at 7:12am

Joan, I thought you were suffering from memory loss? It sure doesn't appear to be true. You've just written two wonderful memories!

Daniel, you continue to inspire me. I think I'll go on a peony search.

Comment by Joan Denoo on February 2, 2019 at 12:17am

Several years ago I was scheduled to attend a conference in Ireland during the peak season of my garden's peony blossoms, which were transplants from my grandmother's garden. 

I learned of the Dublin, Ireland, Botanical Garden's Peony display and spent a most wonderful day there. For lunch, I went to a small Irish pub and had potato soup and a pitcher of beer. 

Comment by Randall Smith on February 1, 2019 at 7:11am

Man (Daniel), you must really love Rufus to go to all that trouble to feed him! Makes me feel guilty just buying Dot bagged dog food, usually from Rural King (Alpo and others). I'll check the labeling today. Never thought of egg shells. But I know she rummages through my compost pile where I toss my leftovers, including egg shells.

And yes, she stays indoors during this cold snap. (Me, too!)

Comment by Joan Denoo on January 31, 2019 at 7:50pm

Oh! I can't believe it ... yes I can, with simply a little bit of imagination! Is there any healthy commercially made dog food that can be trusted? Since I don't do any of the marketing anymore, perhaps I need to become the dog food producer in the family. 

Bertold, what do you feed your animals? 

Thanks to you both! 

Comment by Joan Denoo on January 31, 2019 at 4:28pm

Tell Rufus that he has an extraordinary chef working for him!

I like the idea of creating healthy food for pets; I just Googled "healthy dog food recipe" and I see some important information to read. I have lots of eggshells; the family eats a lot of eggs. 

I think we might be babysitting a yellow tabby cat this week, at least that is what I think I see scooting outside my bedroom door. If so, it is "Clyde," my granddaughter's cat. 

By-the-way, did I tell you I have a new, seventh, great-grandchild? His name is Brenton George S____, and he weighed 9# 10 Oz. Ouch!

Your woodlot sounds very inviting, a nice way to spend a warm afternoon. 

Comment by Idaho Spud on January 31, 2019 at 10:28am

Rufus seems quite attached to you, Loam.

Comment by Joan Denoo on January 30, 2019 at 7:58pm

Spud, thanks for the information on seeds and temperatures for sprouting.

Daniel, I am going o get heating mats and start plants in the house this year and transplant to the greenhouse and see how that works. 

Shame on me, I forgot your new companion's name. Rufus, I think. He looks very healthy, as do your orchids! I can tell you give them all loving care. 

Both of you, Danial and Spud, inspire me to keep trying.



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