Maine 4-Season Greenhouse Grow

Newbie for cannabis and very glad to have found this online resource. We farm here @ 44'N in Maine so we have a lot of infrastructure already (insulated greenhouses and high tunnels) so we are going with what we know (and have) and not investing in lights etc. Maine just passed as law that residents can grow, at any time, twelve (12) mature plants, six (6) flowering plants, and unlimited seedlings. Which is awesome. Also, we are allowed to give away 2.5 oz at any time (and no limit to transactions) to any 21+ adult (without $ in return). Well, there is already a strong barter culture where I am so this, again, is awesome. We have a 12x24' passive solar greenhouse that we normally use for cucumbers and tomatoes but this year we are going to dedicate it to 8-10 cannabis plants and see how we do. As you can see from the attached photos we use aquaponics and, while we plan on using cloth bags this year, it is a nice resource for nitrogen rich watering! Have eight (8) beans which are four (4) of Northern Light Auto and four (4) White Widow Photo. I figured I would play with both and see how they responded to my particular circumstances. Got too excited and germinated one of each on Feb 28 and days late both popped (thanks CKS!). Since days are still lengthening here, I have a 100W CFL hood lamp (from the chicken coop) supplementing until 7pm (so 13 hours daylight). Hoping to transfer these into 2 gallon cloth bags and up-pot to 5 and then 10 gallons.
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So the white cups work but a clear one will not promote root growth? Nice Green House!
 
Photo Day! Tent is looking empty after the last few months...soon we'll have the C99 into bigger pots and getting some of those spare photons.


The runt Berry Bomb...she is supposedly the same as the rear right above pic) Berry Bomb...she's so small I can probably use that same pot of soil for one of the C99...lots of nutrients still in there :)




 
Sneak Peek: Our new rental cabin is intentionally "off-grid" ...the idea is to offer a simple experience in a complicated world ;) ...also costs me less and I wanted more of a bunk house for my future use rather than another complete "house" (with indoor plumbing, kitchen, etc). So we moved the kitchen, shower, and toilet outdoors...call it glamping (if you must), but I think it is much better...most glamping is in a tent whereas we offer the space, comfort, and security of a structure. We have a 100W solar panel and a Jackery battery charger (which I recommend for those looking) to charge cells and iPads. I wanted to be able to move both the (vermicomposting) outhouse and kitchen/shower around on the farm using my tractor, so they sit on 4x6' hemlock skids (with tow shackles). Both of these will get metal roofing. The kitchen has a Camp Chef cooler and stove/oven and the shower is a Camp Chef propane hot water heater. Now we are waiting for the ice to thaw so we can prep the final placement area with some crushed rock and then I'll tow these babies to their summer location.
 
So I am getting ready to mix up some soil for the summer and I was looking at my inventory...I am out of glacial rock dust and then had a thought....we have a huge granite cutting place that gives the rock dust (leftover from cutting) away for free...just got off the phone and they said I can come with a couple 5g buckets and "take what I want". Any ideas how granite dust would affect my soil? Wondering if I should just toss it on the compost pile or include it in the summer mix. Thoughts appreciated @bobrown14 and @Van Stank
 
Thats essentially what glacial rock dust is from my understanding.....finely ground granite rocks.

My only concern is what is used in the cutting of the granite. Clear that with them...and if it truly just pure ground granite, I would try it one bin and make sure there is no negative reaction to plants. If it stays healthy, you might have found an endless supply of glacial rock dust.

Speaking of that....I need to order more basalt. I used the last of it yesterday.
 
Thats essentially what glacial rock dust is from my understanding.....finely ground granite rocks.

My only concern is what is used in the cutting of the granite. Clear that with them...and if it truly just pure ground granite, I would try it one bin and make sure there is no negative reaction to plants. If it stays healthy, you might have found an endless supply of glacial rock dust.

Speaking of that....I need to order more basalt. I used the last of it yesterday.
They asked me what I was using it for and I said "soil amendment" and they were like "ok"...sounds like they wanted to know before they offered it...wondering if people ask for stupid reasons...like human consumption!? I asked another (closer) granite shop about a year ago and they were douchy, so I was glad I called these other guys that are only 10 miles away...and free is always good :)

I plan on pre-mixing all my amendments first in the mixer and then just spooning in from the "mixed amendments" bucks to the VC and perlite....there were too many different scoops and buckets last year.
 
I think most stone cutters just use water to cut stones....but I would verify that they don't use any solvents before I stuck it in my soil. Always better to be safe than sorry!
 
I think most stone cutters just use water to cut stones....but I would verify that they don't use any solvents before I stuck it in my soil. Always better to be safe than sorry!
Agreed...they were super cool and passed me along to the final guy who I could speak with when I get there. I'll call the day I am passing by and ask him specifically. They actually said "it's hard to get rid of"...if it's clean, I might pull up with my trailer!
 
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