Growing medium problem


A question from a fellow grower:

My seeds have been in the growing mediums for nearly three weeks and only one has just started to grow a very small root, the temp is 21degres and humid is about 60% can u please advise before I buy some more


Perhaps the medium is staying too wet? Seeds most often die with a new grower from over watering or over feeding. They need to stay moist but not too wet, too wet and it can drown their delicate roots. The roots need lots of oxygen. And not too many nutrients in the water or the soil, or this will also kill young developing roots and seedlings. Temps sound good, assuming that is Celsius and not another temperature scale, it could be maybe a little warmer even. And humidity sounds good.

Of course we could use more info. What are the other parameters in your grow?

Let’s get you started with a ILGM support ticket that my buddy, Latewood, had first developed for our ILGM support forum. It’s is a great checklist of things in your plant’s environment that might help give us an idea of what could be going wrong.

Answer all the relevant questions the best you can, if you do not know, or do not use something, just say so or put ‘NA’.

ILGM Support Ticket:

What is the strain and type(unknown bag seed, strain name, regular seeds, feminized seeds, auto-flower, etc)?

Indoor or Outdoor? If outdoor, planted in ground or in a container?

Size of space (max height and area, length/width)?

Soil or Hydro? Type of Medium used? System type?

pH? Of the soil or medium (root zone/reservoir/runoff) and of the water and/or nutrient mix that is fed to the plant?

Type and strength of nutrients used? NPK? EC/TDS/PPM levels?

Temperature? Day vs. night temp or highest and lowest temps? Root zone temps?

Humidity %? Day vs. night

Light system/watts/lumens/FLUX/PAR?

Ventilation system? Size? CFM? CO2? AC, Humidifier, De-humidifier?

Number “weeks/days” from into Season, Vegetative Growth or Bloom/flowering?

Add anything else you feel would help us give you a most informed answer. Feel free to elaborate, but try to be brief and to the point. Short and to the point questions and/or facts will help us help you :slight_smile:


What medium are you using? Filling out a Support Ticket will help us understand how you are attempting to grow.

On another note; After 3 weeks. I am not confident about the success of your non-starters. Peace