The Grow Awards 2026 🏆

Grow Questions

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All New Open Solved No diary Vegetation Flowering Harvest My questions My answers Buds

Color - Black or grey

Color - Dark-brown

Color - Dark-purple

Color - Mottling

Color - Red or pink

Veins - stay green

Veins - yellow between

Spaces between nodes

Stem - Red or purple

Strain - Autoflowering

Strains - Photoperiod

Automatic systems

Chemical composition

12-12 from seeds

General questions

Harvest - Curing

Harvest - Drying

Harvest - Smoking

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Solved

Taco leaves - need advice Hey, i recognized some days ago the start of leave tacoing and it gets worse... What can be the cause? Temperature 24 °C at day, 16 °C at night, humidity between 50 and 60, light distance 50 cm, 75k lux at tops, no direct air 😅

Leaves. Other

Plant. Other

4y ago

5

6

Solved

Ph fluctuation 6 -》 4.2 in 12 hours My ph is droping when lights are off from 6 to 4.2 in a hydroponic system (nft - gt100). Plants look really good i think. Ec1.1-1.3 @ flower day 10. Has somebody experience with ph fluctuation or maybe a solution to hold it constant? Thanks a lot 👊😃

Other. General questions

4y ago

6

6

Solved

Ph fluctuation 6 -》 4.2 in 12 hours My ph is droping when lights are off from 6 to 4.2 in a hydroponic system (nft - gt100). Plants look really good i think. Ec1.1-1.3 @ flower day 10. Has somebody experience with ph fluctuation or maybe a solution to hold it constant? Thanks a lot 👊😃

Other. General questions

4y ago

3

2

Solved

Cut off leaves for better bud development?I saw some diaries where plants have nearly no leaves and produce a nice amount of good looking buds. Is it recommended to cut of most of the leaves at the end of flowering, that the energie goes into bud development?

Leaves. Other

Plant. Other

Techniques. Defoliation

4y ago

5

4

Solved

Chop or not?!Hi! I am at flower week 9. What do you think, one week more or chop time? 😄

Buds. Other

Other. General questions

Plant. Other

4y ago

3

3

Solved

Leave issue again :( can somebody help pls?Does somebody know why this happens and how I can stop it? I had the same issue last grow and this will become worse. Some data: humidity 55%, water temp 21 °C, tent temp day 27 °C and at night 21 °C, EC lowered to 0.7 (befor 1), Ph 5.7 to 6. I grow in a nft system with 100L.

Leaves. Other

Plant. Other

Feeding. Deficiences

5y ago

4

7

Solved

PH drop from 5.8 to 5.4 over night every night Watertemperature 22 °C, 100 L reservoir (changed every week),Start EC 1.0 and drops to 0.8 at end of week, Ph adjusted daily to 5.8, tent temperature day 27 °C and at night 20 °C, humidity 55%. I add calmag to EC 0.4 and canna aqua until EC 1. Why does my ph drop over night?

Plant. Other

Setup. Other

Feeding. Other

5y ago

2

1

Solved

Cutting damaged leaves away or not?Hallo, I have some spots on leaves due to calcium deficencie and it has stoped spreading above leaves by adding calmag to the nutrient solution. We talk about 2 single leaves per plant (max 3 leaves). Should I cut them of because they need energy to recover or does it not care?

Leaves. Other

Feeding. Deficiences

5y ago

3

2

Solved

Lower leaves roll like tacos and have spots Informations: 675 Watt LED light (1m distance to plants), 28 °C at day and 23 °C at night, 60% Humidity, EC 0.9, ph 5.7 Why did the lower leaves of my plant roll like tacos?

Leaves. Other

Plant. Other

Feeding. Deficiences

5y ago

2

2

Solved

Calmag deficency?Is this a calmag def?

Leaves. Other

Feeding. Automatic systems

5y ago

1

1

Solved

Yellow leaves at lower part of plant Hey! Two of my bigger plants have some issue. The lower leaves turn yellow really fast and fall off. The others are ok but have a really small nute burn. What is this?

Leaves. Dropping off

Leaves. Color - Yellow

5y ago

1

1

Solved

Lightburn, nuteburn or deficencie?I saw some strange brown spots on yellowing leave tips of the upper leave pairs. Is this lightburn or nutrient burn or a deficencie? One plant of 9 is effected. The others look fine. Thanks for your help 😋🖖

Leaves. Color - Yellow

Leaves. Other

5y ago

3

2

Solved

Flat stem mutation Hey! I have seen this mutation on 3 of my plants and don't know why or under which conditions this happen. I am actuell in flower week 5 and should i cut the stem away or is this something good? Bit confused 😅

Buds. Other

Plant. Other

5y ago

10

6

Solved

Schwazzing sativas? Yes or No?Does it makes sense to defoliate (schwazzing) sativas before switching to 12/12? I have done it in former grows (indicas and hybrids) successfull but i dont have expirience with 100% sativa strains. Thanks for every advice! :D

Techniques. Defoliation

5y ago

2

2

Solved

Taco leaves (Desfran)Hi, some of my leaves are curling like tacos (upwards). Some enviromental informations: day temperature 25 °C and humidity about 55%. At night 20 °C and humidity between 55 and 60%. I give them very only 1 ml/Liter of nutes (adcanced nutrients) and in the top rare purpish spots.

Leaves. Curl up

5y ago

5

2