Do cold temps help turn purple strains purple?

I'm growing in a cold basement with a purple strain. I notice the last few weeks of flower they start to purple up with my day temps at 75 and night 58. Summer months temps run 82 and 65 at night. Minimal purpling if any at all. Have done some research and found some say yes, some say no. Just wondering what everyone's opinion is on this?

Cold temps turn any strain purple (to an extent). If your temp drops too low you may notice purple stems, veins and the beggining of the leaves may even turn purple. But cold and purple strains dont go hand and hand. But if its healthy, and its purple, yer gravy. I wouldnt let it get much lower then that 58 at night though.

I believe purple is a sign of degradation, I've read an article saying that potency is less in purple strains than the green machines. Sure has bag appeal tho

I Have a Cool Name said:

Cold temps turn any strain purple (to an extent). If your temp drops too low you may notice purple stems, veins and the beggining of the leaves may even turn purple. But cold and purple strains dont go hand and hand. But if its healthy, and its purple, yer gravy. I wouldnt let it get much lower then that 58 at night though.

Click to expand...

I do my best to keep it above 58. If it dips below, I fire up my woodstove to bring temps up.

3 Pounds of Weeden said:

I believe purple is a sign of degradation, I've read an article saying that potency is less in purple strains than the green machines. Sure has bag appeal tho

Click to expand...

That was my thought also. Kind of like trees turning color in the fall. I think potency is strain dependant. Like alot of weed some good, some not so good.

Either way, if it's purple, you won't have a problem selling it.

3 Pounds of Weeden said:

I believe purple is a sign of degradation, I've read an article saying that potency is less in purple strains than the green machines. Sure has bag appeal tho

Click to expand...

some strains are naturally purple.. has nothing to do with degradation....

3 Pounds of Weeden said:

Either way, if it's purple, you won't have a problem selling it.

Click to expand...

I keep it for myself and my wife. We make some killer edibles using alot of bud. Best cookies in town!

cobra28widow said:

some strains are naturally purple.. has nothing to do with degradation....

Click to expand...

Purple is a sign of degradation in Chlorophyll. Yes, strains that were crossed are obviously genetic dependent but when you add those "purp" chemicals or shock it with cold temps it doesn't help the plant be the best it can be.

I've been growing Grand Daddy Purple for about 3 years. Purple is better in appealing and also gives that " PURPLE TASTE ". Only happens during the colder season. However the NON color Grand daddy strain has a INTENSE sweet smell to it. Both have their goods. IMO, any strain can turn purple, some has little, some will be covered . All depends on your atmosphere.

I'm pretty sure the cold helps my purple kush get some nice colors that, I haven't gotten with warmer temps during flower.

purpling is induced at low temps as it makes P very hard for the plant to acquire

Kite High said:

purpling is induced at low temps as it makes P very hard for the plant to acquire

Click to expand...

Which sounds like it's really not a good thing. Does it affect the overall finished product in a negative way? I thought as long as they don't get too cold it wouldn't slow growth too much.

zack66 said:

Which sounds like it's really not a good thing. Does it affect the overall finished product in a negative way? I thought as long as they don't get too cold it wouldn't slow growth too much.

Click to expand...

How well a plant does or doesn't grow in the child is completely strain dependent, unlike coloring in flower. Some take to colder temps and can't be grown to capacity in warmer regions.

zack66 said:

Which sounds like it's really not a good thing. Does it affect the overall finished product in a negative way? I thought as long as they don't get too cold it wouldn't slow growth too much.

Click to expand...

Yes, I've noticed when my temps dropped below 55, growth slowed, and when it dropped below 40, I got a P lockout and almost everything turned purple.

joe blow greenthumb said:

How well a plant does or doesn't grow in the child is completely strain dependent, unlike coloring in flower. Some take to colder temps and can't be grown to capacity in warmer regions.

Click to expand...

WOW..you grow in children?

Bakatare666 said:

Yes, I've noticed when my temps dropped below 55, growth slowed, and when it dropped below 40, I got a P lockout and almost everything turned purple.

Click to expand...

Outdoors in the fall I let my ladies take a frost or two. The purple strains really turn color with the cold temps.

cobra28widow said:

some strains are naturally purple.. has nothing to do with degradation....

Click to expand...

Some strains are purple yes, however ph/nute/stress issues can also purple up the stems.

I have a White Rhino clone flowering atm, it had some issues with ph and heat when it was small and nearly died (broken ph meter much rage), the stems and leaf stems started turning purple as the stress and ph issues increased. Now it's healthy again its back to green.


So from this I conclude two things:

Some strains are naturally purple.

Environment and stress can cause purpling.

I Have a Cool Name said:

Cold temps turn any strain purple (to an extent). If your temp drops too low you may notice purple stems, veins and the beggining of the leaves may even turn purple. But cold and purple strains dont go hand and hand. But if its healthy, and its purple, yer gravy. I wouldnt let it get much lower then that 58 at night though.

Click to expand...

i wouldnt say all turn purple, ive plants harvested in mid oct with not even a speck of purple on the stem of a leaf, and our temps get down there, by harvest time it easily hits 40*F at night. From my experience, its in the plants genetics, that make them purple, some will easily purple with cold weather, some only slighty, some not at all, and some purple reguardless of it being cold at all,(although with cold, those strains will likely gain much more color)

Mr.Marijuana420 said:

i wouldnt say all turn purple, ive plants harvested in mid oct with not even a speck of purple on the stem of a leaf, and our temps get down there, by harvest time it easily hits 40*F at night. From my experience, its in the plants genetics, that make them purple, some will easily purple with cold weather, some only slighty, some not at all, and some purple reguardless of it being cold at all,(although with cold, those strains will likely gain much more color)

Click to expand...

Okay now I get it. Cold does help most times with some purple strains. If the genetics are there. Thanks man, you answered my question. + rep to ya