Vote Now 🏆 for the Grow Awards 2025!
Chat
Recommended

Dark blue/purple and rust spots on older leaves

BOBanMARLIjanovic
BOBanMARLIjanovicstarted grow question 4 years ago
Spotted: 1. rust colored, 2. dark bluish purplish colored spots on middle/older growth leaves - feeding once in 6 days, one plain watering between feed - last feed 4.5L 1. 2.5ml of canna terra vega per 5L of water 2. 2.5ml canna terra flores per 5L of water 3.1.5ml ionic cal/mag
Open
Leaves. Color - Dark-purple
Leaves. Other
likes
Answer
justaround
justaroundanswered grow question 4 years ago
watch this vdo maybe it will explain your situation. www.youtube.com/watch
1 like
Complain
smoke24
smoke24answered grow question 4 years ago
light/heat stress due to lights being too close. Diary says temp at 79 during the day.....but what is the temp under the light near the top of your plants, im betting its higher than 79. My advice is raise the lights 6 inches, and try to get temps down to around 73. Happy growing.
likes
Complain
Similar Grow Questions
Solved
4ako4ako
4ako4ako
some kind of deficiency?👋👋👋 is this some kind of deficiency?
Leaves. Curl down
Leaves. Other
Feeding. Deficiences
5 months ago
3