Help with diagnosis

[Mauiwowie503]

Hi,
this is my second year outdoor grow from seed (northern light x amesia haze) 3 out of 4 seedlings have issues, 1 growing great. Same happened last year. Using Alaska 511 fertilizer , same soil, same watering, all planted at the same time. Couldn't really diagnose from the website, can anyone set me 8n the right direction?

Thanks

 

[Bluey]

Possibly heat stress but I'd be targeting that fertiliser and soil..although I am leaning more to the environment..not sure sorry

 

[bdeegan]

Yeah that is a tough one. When were they planted? They look burnt from fert and or the sun. What type of soil? Looks like a mixture of potting mix and dirt. Are they all in the same bed or different beds? And are the plants with issues in the same spot as plants with issues last year?

 

[Rwise]

What are the temps, RH, PH not only the small spot of potting soil but the soil they are actually in (looks like ground concrete), hours of direct sunlight, age of each plant, auto or photo?
Not enuf info given, as said could be nute burn, wind burn, heat stress bad PH, etc..

 

[SoOrbudgal]

Twisted leaf burnt tips heat stress, over fertilized. If the same thing happens for a 3rd time what would you do? The soil needs to be worked with and seedlings in the ground IF they have good composted soil do not need ferts. Less is more to start with. This is how i was taught when growing in the ground.

 

[Rwise]

For planting in the ground I dug holes 5 feet deep and 5 feet across, fill the pit with good soil in the proper PH range and plant.

 

[Mauiwowie503]

Thanks for your responses, I forgot to mention that they were started indoors in peat pellets. They showed the same traits from germination.

 

[Rwise]

the PH of peat is ~3.3 way to low.

 

[Mauiwowie503]

Aha, thanks! Next year I'll get correct ph soil.