ca blanchi sur les jeunes feuilles

[MaxHouse]

cela peut egalement etre du aux nuit trop froide.. (- de 15°C) les symptomes correspondent...

[MaxHouse]

This picture is caused by temprature changing from cold to warm, cold nights and warm days.

Some varieties, like equatorial sativas, don't take well to cold weather. If you can keep the roots warmer, the plant will be able to take cooler temps than it otherwise could.


Source Icmag