The Grow Awards 2026 🏆

Back to Grow Questions

yellow leaves

Eightblackstarted grow question 5y ago

hi guys i need your help and advice. the color does not convince me since germination, I have not fertilized yet. what can it be??

Eightblack

Solved

Leaves. Color - Yellow

likes

2x2growinganswered grow question 5y ago

If you haven’t fertilized yet then yes, you should. They do look a little pale.

1 like

Complain

Selected By The Grower

Crawlndoganswered grow question 5y ago

Lime colour green usually means a Nitrogen def... girl is just a little hungry! Try not to give it too much too fast! Happy Growing 👉😀👈

1 like

Complain

Elgaranswered grow question 5y ago

You have a Nitrogen deficiency, you should start feeding grow nutes from now. Give her the amount proposed for now, but generally give her half the dose. Hope this helps, good luck 😊🌸

1 like

Complain

Similar Grow Questions

Solved

Yellow leaves, what can it be?Hello growers, I started to have some yellow in the leafs. Ph is 6,4, and I’m only using Hesi nutrients but low doses, and the climate is 22-24C and humidity 40%, what can deficiency it can be? Thank you Good grows! ✌️🏼🌱

Leaves. Color - Yellow

5y ago

2

2

Solved

Yellowish plants.What can be the reason of yellowish plants? Too dense soil? Wrong water ph/ watering? Or nutes deficiency? What do you think guys?

Leaves. Color - Yellow

3y ago

2

6

Solved

Help Using Biobizz all mix Grow, bloom, top max, Heaven calmag. And ph up. Tap water runs at 7.3 nutes bring it down to 5.8. Watered 4-5 litre’s every 3 days in 5 gallon fabric pots. PROBLEMS ALWAYS STARTS IN FLOWERING STAGE…for me…🙄 Pics All on Four

Leaves. Veins - stay green

Leaves. Color - Yellow

4y ago

3

4

Solved

Fabric pot changes PH?!Water solution ph5+1000ppm, run off7, 🤦‍♀️😳PPM @2400, flushed ph6 runoff6, ppm 998, next watering ph5,5+1000ppm but runoff8😳🤦‍♀️ppm1489. Tested soil Ph5 then tested pot(don't ask) PH14🤯 how 2handle the PH? She is getting yellow ☹️stupid fabric pot😤 potassium defi? To low PH?

Leaves. Color - Yellow

Plant. Other

3y ago

2

3

Solved

Yellowing first leaves - CalMag ? Bugs?Any suggestions on the yellowing first leaves issue #Day19? Is that a Cal or Mag def ? Been watering with tap water left for 24h. Would RO water be better ? Does feeding with RO water on the entire life cycle involve to add more nuts ? I currently have only AN micro/grow/bloom.Tx

Leaves. Color - Yellow

Other. Bugs

Other. General questions

5y ago

1

2

Solved

Rust spots in flower Flowering Tangie Autos showing rust spots on leaves. Soil and Res PH within 6.5-7. Running autopots 6 plants and all getting the same light and feed. This is happening to 2. I’ve upped CalMg, hoping I’m on the right track. Any thoughts? Thanks in advance ✌️🏽 EC 1.3-1.5

Leaves. Color - Yellow

4y ago

3

3

Solved

Hello guys! Overall the plant looks light green/yellowish and pretty small, with short internodes and bottom leaves with burnt and curled up tips. I give water every 3/4 days and commonly suggested fertilzers quantities. How can I let her recover and get bigger? Thanks :)

Leaves. Tips - Burnt

Leaves. Color - Yellow

Plant. Spaces between nodes

6y ago

3

2

Solved

mid-flower yellow leaves Hello! I'm growing my first non-auto, a SkittleZ, it got quite small and the leaves are yellowish,I'd like to know what mistakes I made and what I can do to help her Mars Hydro TS1000 and only BioBizz nutrients. Temp is around 18C at night and 25/26C during the day, 40% hum

Leaves. Color - Yellow

Feeding. Deficiences

9mo ago

2

6

Solved

Yellowing of lower leaves and crispy Cheese auto soil airpot 9L (barneys) 18/6, 14inch light distance (100% power). RT 21/28C, RH 40/60%. Been feeding when top inch is dry which is 500ml every 2/3 days. Using canna every thing at 1/4 doses and 6.1ph. Have added bloom with 5% nitrogen, thought it may be deficient.

Leaves. Color - Yellow

2y ago

2

7

Solved

Rusting leaves since week 9 Affected leaves on top. Rusting leaves,some have purple stems,week 10 check out diary for more info also some bottom leaves have been dying off

Leaves. Color - Yellow

Leaves. Color - Dark-brown

4y ago

1

2

Solved

Yellowing new growth!?New growth is yellowing is this nitrogen deficiency? And it’s only happening to this strain. Also growth in general has slowed. Temps. Have been getting down to about 66-67F Bc of the cold front that came through.

Leaves. Color - Yellow

5y ago

1

1

Solved

Potassium and Calcium deficiency?Both plants are autos on day 49 after sprouting. Plants didn't get any fertilizer during veg. I noticed deficiencies about 2 weeks ago, and added BioBizz Bio-Bloom, Top-Max and CalMag to next waterings. Planning to alternate water and feeding for the rest of the grow. any advice

Leaves. Tips - Burnt

Leaves. Color - Yellow

Setup. Strain - Autoflowering

1y ago

2

3

Solved

pH or root issue. Temp increase at same time.Either pH or root issue ..? As plants recently had a growth spurt the temp in tent increased from 28 to 33, does this happen with plant growth? Nothing else changed.

Leaves. Color - Yellow

5y ago

3

Solved

Yellow Burned Bud Leaves. Purple Calyxes. Red Stigmas. Stunted?As u go from top of canopy to bottom, the leaves get darker green and less burn. Lamp is at top of 3ft tent, 10 inch above canopy. Feed is at 1.3EC/6.1ph. Runoff EC climbs, then I FloraKleen flush about once a week. So is it just light burn? What you see? Is she stunted? Thx.

Buds. Other

Leaves. Edges burnt

Leaves. Color - Yellow

4y ago

5

6

Solved

Deficiency or overload? Any help appreciated 3 plants in question here. Minor burning on one of them? The other 2 younger ones have the bigger fan leafs turning slightly yellow. Some weird scarring noted too. Using dry amendments (earth dust, dolomitic lime). Soil, haze, 6.8 PH of filtered water.

Leaves. Edges burnt

Leaves. Color - Yellow

4y ago

1

Solved

Do my plants look okay i have been using calmag last couple days

Leaves. Color - Yellow

6y ago

3

3

Solved

Is it light burn?Could this be from light burn or is it something else? Moved my light 15 cm higher for now. Some of the branches are showing purple color. That means stress for the plant right?!

Leaves. Color - Yellow

3y ago

2

4

Solved

New leaves turning yellow under led My autos are turning into flowering. It seem I’m under led, respecting the grow schedule and new leaves are turning light green… is it normal or a deficiency/excess (iron?) ? Thank you for the answers

Leaves. Color - Yellow

3y ago

2

2

Solved

Nutrient Deficiency What Deficiency’s are these ?? Using Coco+Perlite with earthworm castings and feeding with Fox Farm Nutes following the feeding schedule with CalMag every time I water at 6.2-6.5ph every other day. 1000ml of water per plant. All four clones have been fed the same since I got them

Leaves. Color - Yellow

Leaves. Color - Dark-brown

1y ago

4

Solved

Yellow Leaves What could it be? Those yellow leaves... Overlight? Overfert? Is alredy time to think on LST?

Leaves. Color - Yellow

3y ago

3

3