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Jmanc started grow question 3 years ago
When should I start feeding with nutrients?

I am using 1/3 soil (John innes no.1) 1/3 coir and 1/3 perlite. The soil says it has feed for 4 weeks, but I'm only using a 1/3 in my mix. Don't want to overload with nutrients when young?

Maybe commencing week 3?
Organic Aurora outdoors
9 weeks
Organic Aurora outdoors Jmanc
Northern Light Automatic
6 comments · 2 years ago
Week 1
Techniques. Defoliation
DasBoof answered grow question 3 years ago
Hey there Jmank, if you're outdoors in soil, the best thing you can do is let the healthy soil give nutrients to the plant. Look for "companion plants" for your next grow. For an auto, you really dont need to feed anything the first few weeks at all, and after that only sparingly, every 10 days max. If anything I would foliar spray the seedling with kelp extract like rhizotonic ever few days, then which to molasses and amino acids for the rest of the feeding. One thing i will say is that in soil or in coco, if you're growing weed you absolutely need micro nutrients like cal mag and sulfur ... for sure have that on hand and start those around the mid of the third week of veg, hope this helps ! :rocket:
LournieStonerHomegrown answered grow question 3 years ago
you should still be fine for the 4 weeks. the root system isn't going to reach enough of the soil to drain it all that quickly. Say you had a pot that east going to be filled with established flowers with heavier root systems, then the nutrients in the soil will be used very quickly. For a cannabis plant, with one plant in the pot I would suggest that you will be fine for nutrients till around the suggested time.
Removed answered grow question 3 years ago
It's hard to tell really, since each system is different. 11 liters of soil (even dilluted) should last at least 3 to 4 weeks. My advice to you is to give ut water only until you see the first signs of deficiency and then start feeding
GreenHouseLab answered grow question 3 years ago
Yes week 3-4 like you mentioned would be ideal. I've always tried to find ways to push my autos in the first weeks and in fact its counter-productive. They only need very little at first. You can push your PPMs once your plant has grown and more robust. So first 3 weeks let the plant grow use up whatever nutrients in the soil and at week 3 slowly introduce 300ppms to your plants. Good luck!
Stick answered grow question 3 years ago
Hi @Jmanc! When you grow an autoflowering strain you don't know yet, it is always a good idea to be very careful about the nutrient intakes. Recovering from overfeeding is harder than solving an slight deficiency. With a good soil your plant should be able to find everything she needs for a few weeks. You will probably need to watch her during the pre-flowering stretch, since this phenomenon requires more Nitrogen for a few days. In this situation I wouldn't give her anything but root-stimulator (always helpful during the first weeks) and see how it goes after a few weeks. If the bottom leaves start to turn yellow or if the upper new growth are showing spots, then give her a good meal with adjusted pH and EC. Hope this will help, keep us up-to-date and happy growing! :facepunch:
DILLIGAF answered grow question 3 years ago
Hi there mate looking good
I think if your only using water at the moment then that should be ok for 2 weeks along with your soil nutes. Then I would begin feeding aith whatever you are using but at a half strength You will know whether
your plants are lacking nutrients if they are a paler green
Hope this helps mate :+1:
Hellishjam answered grow question 3 years ago
I would shoot for the 4 weeks myself, seedling are to young to be give nutes to. There should be loads of nutes in your soil. Check everyday and if you see deficiency then start your feed. When you feed start low and work your way up I start at 1/4 see how she reacts then work my way up from there to full strength. When you do start feeding watch for leaf tip burns that will indicate to much feed! Always start low