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Some of the basil leaves is turning yellow, to much light?

sinderyt151R93x17HKsinderyt151R93x17HK Posts: 99
in Fruit & veg
Some of the leaves from my thai basil is turning yellow, the Holy basil and lemon basil that is being grown in same pot and under same lamp is normal, but the Thai basil which is the basil is use most of the time some of their leaves is turning yellow, What could be the issue for this? another basil growing person says it can be to much light is that possible? he said he was not 100% sure as hes growing it outdoors with natural light while i grow it indoors under a lamp. is it really possible to give it to much light or can it be more nutrients needed? 
Indoor grower due to our cold climate in Norway
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  • Pete.8Pete.8 Posts: 11,340
    I doubt it is too much light.
    More likely the plant is missing some nutrients, or the plants are getting too old to grow properly - they won't last forever.
    The leaves look a bit pale, so it could be a little more nitrogen they need, or they're missing some trace elements like magnesium or iron.

    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • sinderyt151R93x17HKsinderyt151R93x17HK Posts: 99
    Pete.8 said:
    I doubt it is too much light.
    More likely the plant is missing some nutrients, or the plants are getting too old to grow properly - they won't last forever.
    The leaves look a bit pale, so it could be a little more nitrogen they need, or they're missing some trace elements like magnesium or iron.
    Got a bottle of everything in one package, magnesium,iron and nitrogen which i mixed into the water for the basil. how long does it take before il see if its working and will the leaves whos yellow go back to green or do i have to remove them and wait for new to grow out? 

    So the basil will die eventually even if i do cut them down and remove the flower? 

    i started in end of august with a proper lamp. 
    Indoor grower due to our cold climate in Norway
  • dappledshadedappledshade Posts: 1,017
    edited March 2021
    Basil is an annual, so as Pete said, it won’t last forever, even if conditions are good.
    By all means remove the yellow leaves, give it a light trim and a feed, but be prepared that it just won’t be at its best any more.
    I’m impressed it looks that good since August!
    Did you allow it to flower, by the way?
    Usually that makes the plant set seed and then it’ll start to fade, as the plant has reaches the end of its life and dies back.
    Basil comes back very easily from self sown seeds too, I’ve found.
  • Pete.8Pete.8 Posts: 11,340
    I agree.
    I'm also impressed that you've kept the plant going so long, but it is  probably past its best now and needs replacing. No amount of fertilizer can remedy old age  - sadly :)

    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • sinderyt151R93x17HKsinderyt151R93x17HK Posts: 99
    dappledshade said:
    Basil is an annual, so as Pete said, it won’t last forever, even if conditions are good.
    By all means remove the yellow leaves, give it a light trim and a feed, but be prepared that it just won’t be at its best any more.
    I’m impressed it looks that good since August!
    Did you allow it to flower, by the way?
    Usually that makes the plant set seed and then it’ll start to fade, as the plant has reaches the end of its life and dies back.
    Basil comes back very easily from self sown seeds too, I’ve found.
    ive only allowed the Lemon basil to flower as i dont use it as much as i use the others, was hoping i could replace kafir lime leaves with lemon basil but the taste wasnt as i expected. so the lemon basil ive left untouched which is flowering alot.

    But so if i want more thai and holy basil you guys recommend to plant more seeds in another pot to prepare even tho i dont have a proper lamp for a second pot.

    And should i allow some of the thai/holy basil to flower then to be able to collect seeds even tho i have alot seeds from before?




    Indoor grower due to our cold climate in Norway
  • sinderyt151R93x17HKsinderyt151R93x17HK Posts: 99
    Pete.8 said:
    I agree.
    I'm also impressed that you've kept the plant going so long, but it is  probably past its best now and needs replacing. No amount of fertilizer can remedy old age  - sadly :)
    How long you think the plant will have left to live until it dies? so you would recommend to plant some more thai/holy basil in another pot as i need thai basil for my food, so i dont want it to die just yet. Was hoping i could make it live longer/forever by cutting it down and such. 
    Indoor grower due to our cold climate in Norway
  • tui34tui34 Posts: 3,493
    Yes @sinderyt151R93x17HK    Successive sowings would be worth it.  If you put the pot into a warm light spot - near a window for example - the seeds will appear in time.  Be patient.  The days are getting longer and I sowed basil inside about a week ago.  Nothing has come up yet - - - but it will!!
    A good hoeing is worth two waterings.

  • sinderyt151R93x17HKsinderyt151R93x17HK Posts: 99
    tuikowhai34 said:
    Yes @sinderyt151R93x17HK    Successive sowings would be worth it.  If you put the pot into a warm light spot - near a window for example - the seeds will appear in time.  Be patient.  The days are getting longer and I sowed basil inside about a week ago.  Nothing has come up yet - - - but it will!!
    Theres not much light outside yet and how warm? i would still say its winter over here, Was snowing a bit yesterday outside. in the room where i have the basil plant i keep the temp about 22-25C and theres no windows in that room, its a storage room that i turned into basil room with just a ventilation, but in my living room and where i have windows its probably 15-20C would that be good enough to get seeds to grow?
    Indoor grower due to our cold climate in Norway
  • Pete.8Pete.8 Posts: 11,340
    It's hard to say how long your plant will live, but it's already showing signs that it's getting old.
    I'd sow some more seed asap so you can replace it

    Billericay - Essex

    Knowledge is knowing that a tomato is a fruit.
    Wisdom is not putting it in a fruit salad.
  • amancalledgeorgeamancalledgeorge Posts: 2,736
    Probably also worth taking some cuttings, they should root in water, bound to be faster than starting seed. 
    To Plant a Garden is to Believe in Tomorrow
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