SensiSeeds Big Bud in Waterfarm - No Sex @ 5 weeks from seed?

Hello everyone, I am currently growing a sensi seeds Big Bud (feminized) from seed and I'm about at the end of week 5 from veg (1 week from switch to 12/12). Usually I can tell sex by the end of the 4 week of veg or you can start to see some signs of it starting to grow but with this one there's nothing. Not even a little anything, there's nothing at all. It hasn't even started to show any signs of sex which is strange because every other part of the plant tells me she's mature enough already to show and start budding. The nodes are growing in alternate mode for about 2 weeks now (since the end of week 3 of veg), her vertical stretch is lessening now and she's about 14-16 inches tall. By this time in most of my grows you can either already start to tell the sex or she's already showed it but with this one not even a little bit. Here's my grow specs if anyone has any insight please share. Maybe this strain takes longer to show sex? Does anyone have any experience with this strain?

-Waterfarm
-Hydroton and rockwool
-3 60gal air pumps
-2 4inch air stones
-GH flora series nutrients and supplements
-ppm 900
-pH 5.9
-Light: 400W SHPS

Thanks for your time guys.

if they are feminized they are females.. Sensi seeds are reputable so you don't need to worry. But that being said, they usually 4 weeks for me in Veg

Also big bud is a massive yielder. Good choice in strain. What PPM levels are they liking in seedling and Veg, Are you maxing out at 900ppm? This strain loves the Lucas formula.

oceangreen said:

if they are feminized they are females.. Sensi seeds are reputable so you don't need to worry. But that being said, they usually 4 weeks for me in Veg

Also big bud is a massive yielder. Good choice in strain. What PPM levels are they liking in seedling and Veg, Are you maxing out at 900ppm? This strain loves the Lucas formula.

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Thanks for your response O.G. That's what I also usually see around week 4 in veg but this one is taking her sweet time, I'm beginning to think it's a[FONT=arial, sans-serif]eunuch or something. During seedling and veg I kept her low in ppm; around 200 week 1-2 and adding 200 every next week. Today is the end of week 1 of flower and I just changed her reservoir to a 1000 ppm solution, pH @ 6.0 and steady. I've been going low because I can tell she can drink alot more concentrated solution but I haven't been wanting to push her a lot. I topped her after the 5th true node and been slowly trimming any shoots that I know won't make it to the canopy, tucking and training every day. She's really bushing out now that I've been training her for a week or so. She has only 10 tops but I figure since this suppose to be a heavy yielding strain I decided instead of having a lot of small tops I'll have 10 really big and well lighted ones. I'm growing in a 24x48x60 tent. I was going to SCROG but I noticed that this strain (or maybe this pheno) doesn't branch out as much as other strains I've grown so I thought that it wouldn't do so well since I see that most of the rapid growth occurs at the tops and not the side branches; it would have added at least a month to the veg time I figure.

Hopefully by the end of next week (end of week 2 flower) we'll have some signs of sex I suppose? [/FONT]

I've noticed big bid is a slow one. few others have mentioned it as well