When should I plan to harvest

Stop feeding when there are about 90% brown pistils/hairs and harvest about 2 weeks later when the plant has 98-99% brown pistils. This will be roughly when the plant has 10-30% amber trichomes, the often quoted mantra, but you won't have to look that hard at the trichomes to base your harvest solely by judging trichome colours......... pistil condition is far easier for newbies to comprehend. Your pictures are not very close up and lack any real detail and without a diary too, so going by these pictures alone, it seems you might have roughly 3 weeks to go still.

I see no toxicity issue, and likely some deficiency creeping in, so there is no need to reduce nutrients, if use by the plant is greater than provision. This means that a toxicity cannot buildup, which is the concern. Looks like some plumping remains as the pistils still look long, although the pictures are a bit too far away to fully assess it. Once fully plump, usually still have another week or more waiting for trichomes to ripen, too. it is proven that 'flushing' at end of grow cycle does not change what constitutes the flower in any way. Same percentages of each element in the same rtaio, regardless. Contexts involving a toxicity is different. Flushing does not change nutrient content in the plant, it affects nutrient content of the substrate, which in turn impacts how much enters the plant. There is no excretion system in teh plant, it either gets stored, it damages the plant through toxic levels (necrotic spots and such), or it gets used. By reducing nutrient provision, the plant will slowly use up what has risen to toxic levels inside... this does not happen over night. this is why it's always better to err on other side of things because it is easier to add than take away when a problem arises.

2 Weeks before harvesting, it is better to stop fertilizing and water thoroughly to wash off excess fertilizer.

How many white pistils are left? Once most of them have turned, I start looking at Trichomes. I base trichome maturity on the type of plant it is Indica - I like to harvest when they're mostly cloudy but no more then 5% amber trichomes Hybrid - 15%-20% amber trichcomes depending if it has more indica or sativa Sativa - 30% amber trichomes The reason I harvest indica with little to no amber is because indica for me already gives a sedating effect, more amber trichomes also give a sedating effect so if I harvest with a higher amount of amber trichomes it might couch lock me so I prefer to do less amber so I can function and still get that indica vibe! Hybrids and Sativas give less sedating effects for me so I harvest with higher percentage of amber trichomes. When you look at the trichomes, don't look at the ones on any of the leaves because they often mature faster then the bud trichomes.

Hey there good start to your plant 1st thing to know is you never wanna harvest early it will make buds way weak and have a funny taste By looking at your plants it seems like your about 2 weeks or so from harvest At 1st you wanna watch for about 70% of the hairs on the entire plant to turn colors after that happen start to look at your tricombs wveryonensays to look for a decent amount if amber ones I sat you want the majority of your tricombs to be milky white and a few clear and a few amber Be ready fir harvest have a tent set up with some mesh hanging racks and make sure to complete wet trim your buds at harvest it will help them dry more eventually