Hi,
What would be the optimum temperature for growing the red lettuce?
I have planted mine today.
One pod in a SG3, 2 pods in SG9. Looking forward to growing my own food in these uncertain times 
We are situated in Tessin, Southern Switzerland.
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16 to 20°C should be optimal.
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I agree @Gene, our tests has shown that upto 24C is also ok for this red lettuce.
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the third capsules has finally germinated! Growing a little slower than the rest of my counterparts with cooler temperature.
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Your red lettuce is really nice and dark colour 
. Whats your room temperature?
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18 to 20 degrees C
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Day 19. Lettuce getting bigger but I don’t see any red leaves. Most likely the weather here in Singapore is very hot and humid. Room temperature here is 28°C.
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Day 20
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indeed, this cultivar is not full red, but it is great to see that it’s growing in your hot and humid conditions in Singapore.
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Here are the lettuce pods after 10 days of planting. The plants have germinated and have grown big enough for removal of the domes.
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8th April. Singapore is on second day of lockdown. Its depressing here but the growth of this red lettuce brightens up my day. Everyone please stay home and be strong.
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Extra red leaf lettuce seeds propagated in hydroponic solution (Kratky Method). The seeds were sticking on the C&G Experimental soil package sticky cover sheet. I decided to experiment with them separately.
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I would be down for being a tester!
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