what's your climate and temps like, year round?
I understand glass blocks UVB light, which could impact resin and THC production.
I don't know much about autos... not an auto grower. autos can be very fast. the big drawback... no cloning.
thanks!
It's autoflower regular seed! I recommend the company... they are good people.
I've been using it exclusively since I started growing in Hawaii. It works perfectly. I use several 13w daylight spectrum LED bulbs, as you can see in my grow pics. They go on automatically at midnight, 2am, and 4am for 2 minutes each. Sometimes the lower parts of a plant won't get enough light, so those lowest branches will develop flowers, but it's not a problem.
Sounds good... somewhat similar to our climate. For us, temps can get up to mid 80s in the summer, rarely above 85. Usually it's mid to high 70s to 80 or so. Temps can get down to 65° or lower at night. Very lowest would be high 50s.
You could try black trashcans filled with water as thermal mass, to collect solar warmth.
Yes, that's another element... warming it up enough in the cold season. But it also needs to be ventilated and cool enough in the hot season. Our large greenhouse, which I am modifying, used to get into the high 90s and 100, in the middle of summer. The cannabis I was growing in there survived, but the plants definitely didn't like that much heat.
Yes, I am using clear polycarbonate sheets from Home Depot on my flower house, and they double as a rainwater catchment surface. I recall they don't block UV like glass does. They are expensive. On the other two greenhouses I am using 6 mil, 4 year greenhouse plastic, which does have UV blocking built-in; however, I think less than what glass does. Someday I'd like to go 100% polycarbonate.
In our climate, there needs to be extensive air flow through the greenhouses. Our large greenhouse is a custom design which is like a hoop house setting on top of short walls. The walls are 4 tall screens setting on top of a 2 ft wall of masonite. Even with 4 large window fans running in the screen wall, it wasn't enough to bring the temp down sufficiently in the summer. That's when I realized that we needed a "ridge vent," meaning the PVC hoops are cut at the top to allow a ~2 ft. gap. This is where the fans would be mounted to pull the hot air out of the top of the ceiling. This is one of my projects... to complete the changes on the big greenhouse and get it online again.
answered above
right now around 70%. it rains a lot here.
no humidity problems, except I think it contributes to the mold problem, but not specific to the greenhouse. the more airflow the better. I answered more about heat issues above.
When I had the fans set up in the big greenhouse, they were on a temperature-activated AC outlet. They were set to go on if the temp got up to various settings, but as I explained, it was never enough... need to modify and create a ridge vent. explained above.
No, not specific to the greenhouses. Our worst pest is a little bug called a flea hopper... I just sprayed all plants today with a solution of 2 TBS neem, 1 TBS Bronner's soap, 12 drops limonene, in 1 gal water, pump sprayer. Neem is also good to kill fungus.
As I described above, 3 different designs. The two smaller greenhouses... the walls are built using 8 ft. 2x3s, and 2x2s. They are very simple, minimal use of lumber. I don't really want to post photos, but I'll try to put together some drawings.
I've been thinking about installing a ridge vent system in my attic. In the summer the heat just builds and builds up there and pushes down into the house making things very uncomfortable.
Sounds good!
It would be great to see some drawings.
UPDATE: The 5 really tall plants have maxed out their 15 gal pots. I just watered yesterday, and we got lots of sun and heat (around 80°). Today they were already wanting more water. I'm not going to be able to keep this up, because we are on rainwater catchment and our supply won't be enough. This is also an indication that I'm past time to move these plants to the flower house. My first time growing these, so I didn't know they'd be so big and fast-growing. So... gonna have to figure out a solution. I think my plan will be to take clone cuttings asap, and then prepare to move the 2 Blue Dream cross plants to the flower house, staggered in time by 1 week. Those plants turned out to be a lot less bushy than the Gelato cross. The Gelato is a very healthy, dense X-mas tree shape, while the BD is leggy and with very sparse branching. Both would have been good candidates for topping, so I'll keep that in mind with the clones. This plan still won't eliminate the water shortage problem, but it will help, and I am also thinking of putting gutters on the veg house and catching the water in a spare 60 gal tank that I have.
Good morning cbdh
hope you are well my friend.
