Any ideas of problems or deficiency?

[chippy123]

Hey guys

Outdoor grower in Australia. All natural no products or fertilisers, growing in canna terra professional and live organic soil. What has caused this do you think? Heat has been intense as summer starting.. light burn? Some leaves have gone completely yellow.Needing a feed of something? Deep root watering? Have sprayed with neem oil lately as found caterpillars. All help would be great cheers.

 

[chippy123]

More pics of plant

 

[MrGreenfinga]

Looks a bit like heat or lightstress
I dont grow organic myself but overall looks good

 

[Cannaburg]

I think you soil might be too hot for right now....

I am sure someone with better knowledge will chime in

 

[cannafarmer420]

I see light stress personally along with heat probably they usually go hand in hand outdoors. I doubt the living soil is too hot, I would keep an eye on it and keep us updated

 

[MICHGANDER9]

Howdy what's soil ph ??? I don't use any fertilizer either except dry amendment bacteria and fung Id try top dressing some good compost or worm castings and or some compost tea get some biology in the at the right ph 6.8 is good enough i reuse my soil by amendment top dress no till that soil is four years old i get a paste Malik test on it

 

[MICHGANDER9]

And keep away from that Neem oil get a beneficial insect garden going itll make good cover for the girls and youll help the environment. Sorry i HATE Sufficants they are indiscriminate and it kills the good guys to like honey bees!

 

[LoveGrowingIt]

I vote for light or heat stress. Adding magnesium to the plant's diet might help. Some garden fabric would help, too, if there's a way to suspend it over the plant, especially during extremely hot days.

 

[Imzzaudae]

Move her so she is shaded during the hottest part of the day and she will be fine, just dog days of summer heat stress.
Put a shade on the pot itself keep the root zone from getting to hot in the sun.
Pick off caterpillars.
The burned tips are high E.C in soil. Over water buy a gallon runoff once or twice a week.
She looks to be about finished stretching. Any buds forming?
If so you need to strip her to the tip. Fast Forward to 8 min.