This greenhouse marijuana garden was fertilized almost exclusively with fish poo. The neighbor has a fish farm. When he drains the reservoirs, my friends go over and cart off the poop. Great way to get along with neighbors!

Q&A with Jorge: Fish Poo

Q&A with Jorge Fish Poo Hi Jorge, I heard that fish poo is good for plants, but I also heard that it can be harmful because it may cause mold. If I dry out the poo first will it still cause mold? Danielle Fish emulsion consists of fish parts suspended (emulsified) in liquid. Alaska Fish…

When the photoperiod is changed from 12/12 hours day/night back to 18/6 day/night, it confuses the plant. In this case it caused the leaves to grow in a spiral shape.

Q&A with Jorge:Leaf Curl

Q&A with Jorge Leaf Curl Hi Jorge, I’m growing 420 OG Kush plants in a tear pattern in a 1,8 x 1,8 m room. I use a 1OOOw light with reflector. Plants are in 20-40 cm containers. Some are growing great but others have leaf curl on new growth. I’m using Bio Bizz one-step grow…

Q&A with Jorge: Two for One

Q&A with Jorge Two for One Hi Jorge, I had one seed produce two seedlings! How is this possible? It looks like twins or a forked plant – very cool. I need to know because this is making me crazy. I’m a new grower and I hope my question won’t make me look like an…

Q&A with Jorge: Pre-flowers

Q&A with Jorge Pre-flowers Hi Jorge, We are growing a couple of plants and we are having trouble finding any pre-flowers. Do you have any pointers to help us? Angel Hi Angel, Sure thing! Male and female pre-flowers are the first sign of a plant’s sex. Plants are either male or female. Occasionally an intersex…

Q&A with Jorge: Stems

Q&A with Jorge Hi Gud run, Stems contain little if any THC-potent resin. Resin degrades when exposed to light, air (oxygen) and heat. The fact that you have been keeping the stems for “quite some time” guarantees that any resin they may contain has been biodegrading, which will diminish whatever resin they contain. I never…

Marijuana Horticulture: Sex is Everything!

Excerpt from Jorge’s Book: Marijuana Horticulture: The Indoor/Outdoor Medical Grower’s Bible by Jorge Cervantes Pre-flowering Pre-flowers, described by Robert Clarke in Marijuana Botany as “primordial,” are the first indication of a plant’s sex. The pre-flowers grow at branch inter nodes just behind the leaf spur or stipule about the fourth week of vegetative growth,when the…

Q&A with Jorge: Reptile Lights

Q&A with Jorge Reptile Lights Hi Jorge, Could you use reptile heat lights instead of fluorescent lights because I’m broke and green is too expensive. Dauphin, Antwerp Hi Dauphin, There are several kinds of reptile lights. Incandescent reptile lamps produce heat and often increased UV (ultraviolet) light. Such lamps are terribly inefficient producing little useable…