Monster Plants

by Jorge Cervantes Photos by Humboldt Local Area The photos are plants in northern California, but there are a large number of giant plants throughout the state, and there are many in Oregon, which has a slightly cooler climate.   Big plants require a big hoop house that can accommodate small to medium-size plants under…

Marijuana Horticulture: Outdoor Growing

Excerpt from Jorge’s Book: Marijuana Horticulture: The Indoor/Outdoor Medical Grower’s Bible Outdoor Growing Outdoor growing is more popular than indoor growing in countries with lax cannabis laws. The reason is simple–sunshine is free; lights and electricity cost money. More people grow outdoors than indoors for this simple reason. Cannabis is a strong plant that can…

Powdery Mildew

Mildews are called “powdery mildew” among cannabis growers. This term encompasses all mildews. Mildew grows on foliage, leaves and buds. Most look like foliage was sprinkled with fine flower or talcum powder. It drains the vigor of plants, and can pose a health risk to smokers with lung ailments. Every year powdery mildew destroys a…

Soil Analysis

Soil and Soil Analysis Many soils and soilless mixes used by cannabis gardeners is peat based and mixed with other elements. Soils are different, very different from one another. The average organic mineral soil is made up of 45% mineral particles, 5% living and dead organisms – bacteria, protozoa, microbes, fungi, earthworms, etc. – and…

Damping Off

by: Jorge Cervantes Damping-off is caused by different fungal species, including Botrytis, Pythium, and Fusarium are present in the air, growing medium plant or seed. This disease breeds in wet, poorly aerated over-watered growing mediums, humid conditions and attacks weak plants. Coat seeds with protective dust for insurance. Seed disinfection is used to kill organisms…

Manicuring, Curing and Storing Buds

by: Jorge Cervantes Manicuring buds is time-consuming. Budget 4–6 hours to manicure a single pound (454 gm) by hand with scissors. An automatic trimmer will cut manicuring time to 1–2 hours. Use small easy-to-maneuver pointed scissors to reach into crevices in buds. Have 2 or 3 different pairs of scissors available. Switch scissors when your…

Harvesting

by Jorge Cervantes Harvest when plants are at peak ripeness. Harvest timing is critical. The peak harvest window is open for roughly 5–7 days. Most growers manicure harvested buds before drying them slowly and evenly so THC is preserved. After drying, buds must cure so that full aroma and flavor develop. Like a fine wine,…

Drying Buds

Drying After harvest, medical cannabis must be dried must dry before consuming. Drying converts cannabinoids from its non-psychoactive, crude, acidic form to its psychoactive neutral form. In other words, fresh green cannabis will not have much medicinal effect. Drying also converts 75 percent or more of the freshly harvested plant into water vapor and other…

LED Lamps – Part 2

by Jorge Cervantes This is the Part 2 of a two part article about LED lamps.   Phosphor-coated LEDs produce more of a blue spectrum and peak at about 465 nm. There is a vast array of LED retrofit bulbs packed into a larger bulb that fits in household incandescent screw fittings. These bulbs cost…

LED Lamps – Part 1

by Jorge Cervantes This is Part 1 of a two part article about LED lamps. LED lamps are everywhere. You see them in stop lights, flashlights and household lighting, Christmas tree lighting, etc. The technology has come a long way since it was developed in the early 1960s, when LEDs were found in appliances and…