light stress

  1. A

    10 day old seedling - first time grow - light stress?

    Hi, It’s my first grow and I have a gorilla cookies 10 day old seedling. they look healthy but I’ve noticed there’s light streaks in the new leaves. Is this due to heat stress? potted in canna terra soil and perlite mix. No nutes. Just plain ph water till date. light is mars hydro tsl2000...
  2. K

    DWC help (stunted buds)

    I’ve been having this same problem in this same stage with all my gross for about a year since I started DWC. Around week 4 or so I start getting stunted growth, ph issues, and deficiencies. It looks like light stress but I have been much softer this time and it is still happening. I’m doing...
  3. Gr8Xcape98

    Leaves yellowing from buds out...WTF?

    Hello fellow growers. Yes, yet another post about leaf discoloration :wall: So, I'm growing four autos, all different strains (CBD Crack, OG Kush, Sour Diesel, and Tangerine Dream) in a 3x3 grow tent. I'm growing in 100% Foxfarm Coco Loco (no time to mix my own super soil), and using cheap-o...
  4. C

    Yellowing leaves near main cola

    Hey Rollitup fam, First time grower here... I have an auto flower green crack that is a couple weeks from harvest (I think) lol. Ive started noticing some of the leaves at the top yellowing and turning brown at the tips - there’s also brown tips all around. Is this nute burn? I’m growing in...
  5. Weouthere

    The DROOP is real help!

    Hey y’all! My buddy is having a problem that I can’t fix.. I gave one of the indoor veg to outdoor plants I have to my buddies and for some reason it’s dropping worse than I’ve ever seen. The couple differences is his yard gets more light (he lives in the country vs me in a neighborhood) and...
  6. STR4NG3R

    accidental re veg

    alright mid to late flower like week 4-6 how can I tell if I re veged? I have a fluorescent shop light I turn on that isn't on I timer that was left on 30-45 minutes after my leds shut off. it may have happened a couple days in a row but is no longer an issue. Any thoughts on the matter would...
  7. B

    Leaves are drooping, why?

    Hi guys, I have two autos, different genetics and they are 18 days old. One's leaves are drooping and can't figure out why, maybe its light stress, maybe over or underwatering, but I'm giving her water when 1-2 cm of soil is dry and lights are 60cm distant from the plant. When I touch leaves I...
  8. garden420love

    Light intensity stress? Drop some knowledge on me

    Hi everyone! First off I want to say that this community of like-minded people is enriching my life and de-stressing me. I’m a perfectionist like all of you and I want nothing but the best for my ladies! I’ve had an issue with V shaped leaves my entire grow (not rolling or canoeing). I’m...
  9. Teag

    Questions with light height and light stress

    Below is what I've cobbled together. My two rigs. Flower: (4) 3000 K Cree CXB3590, HLG-320H-C2100B 2' x 4' space 40 w/sqft Veg: (1) 3500 and (1) 4000 K CXB3590 MEAN WELL HLG-240H-C2100B 2' x 3' space 25 w/sqft Both drivers are dimmable and all the COB's are top bin and equally spaced in...
  10. B

    Intermittent Light Flash: Problem or Not?

    I have a thermometer hanging in my tent, and it gives off a slight red flash every couple of minutes. It is not very bright, but I am still wondering if it is enough to affect my plants. Will a light flashing like this once every couple minutes be enough to cause stress to the plants? What type...
  11. Elvish

    What causes branches turning upside down?

    Hey guys just curious if this is some kind of heat stress? I have four plants that I have just brought outside to start flowering three days ago. They were under a 600w mh. Its only 28-30* outside and today is semi overcast 65% humidity. There last watering was three days ago and they are still...
  12. ClassicT

    Lime green leaves - light stress and recovery

    Hi, new forum member here. Lookin for some help. I’m in day 27 of flower. About 4 days ago, all of the uppermost leaves closest to the light turned really yellowish lime green. I could tell it was light stress, all of the leaves on the layer just below were fine, as were the ones in the corners...
  13. ClassicT

    Lime green leaves, light stress problems & recovery

    Hi, new forum member here. Lookin for some help. I’m in day 27 of flower. About 4 days ago, all of the uppermost leaves closest to the light turned really yellowish lime green. I could tell it was light stress, all of the leaves on the layer just below were fine, as were the ones in the corners...
  14. nicholasgte37

    Moisture stress?

    Any advice appreciated here. Thanks in advance. These are clones transplanted 6 days ago under 2 LEDs around 180w. Hanging about 10'' from the top of the plants (while typing this I have raised them to 12'' did not realize they were so close) The soil was very heavy at first and not draining...
  15. J

    Buds losing smell?

    Hey guys I'm late into flowering and the buds are starting to lose their smell. I think it's heat and light stress. One of the buds close to the light just shriveled up and died. The others are doing OK but ripening at different speeds, or starting to smell like fruit?!! Should I just cut my...
  16. blacspiral

    24/7 to much light for autos?

    I'm growing 9 white widow autos.. I'm in for soil 75/25 mix happy frog and ocean forest.. 5 gal buckets... have not added nutes at all... germinated on 11/20 .. fan leaves started to roll up like a taco.. not heat issue.. plants have never seen 80 degrees.. running 1000 D.E. yield lab hps and 2...
  17. DJYOLOBEAR

    Help diagnosing my plant!!

    i have 3 plants on their 5th week of veg. Im using coco coir based potting mix and ive been mainifolding them to increase yields I feed them using a 30-10-10 growth fertilizer . They have been under a 200 watt CFL growlight setup 24/7. They seemed fine 3 days ago but when i came to check on...
  18. lucky bounce

    600w HPS distance in flowering

    I'm 3 weeks into flowering with really nice tops from fimming and having my 600w super HPS hanging horizontally. I've now decided to hang the same light in the middle of my four 3 gal pots vertically. It's been hanging vertically for 3 days now with the plants less than 6" away. The light looks...
  19. M

    Whats goin wrong here?

    Got these two just finishing week 4 of flower and they look like they are getting nute burn but was also thinking my light was too intense causing light stress/heat stress. I gave them just water today aND was going to lower there fert intake and I brought my lights down to 50% hoping it helps...
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