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…

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…

What to do Before Harvest

by Jorge Cervantes Before Harvest Watering is important when plants are flowering. Continue regular irrigation as needed. Make sure to check the soil moisture daily to avoid overwatering. Always irrigate in the morning so that the majority of water is used during the day. Soggy roots at night will slow growth substantially. Do not water…

How to Use Nutrient Solution

by Jorge Cervantes The concentration of the nutrient solution has an enormous effect on plant development and growth. Measuring the overall concentration or strength of a ‘balanced’ solution is essential. Focus on nutrient balance and concentration in the solution to head off deficiencies before they cause big problems. Fertilizers (dissolved ionic salts) conduct electrical current…

2012 Backyard Garden

by Jorge Cervantes 2012 Backyard Garden This year I started with good strong clones – 2 Queen Mother x Elvira, 2 Apollo 13 and 2 Lamb’s Bread x Mother Teresa –from an expert indoor medical gardener. They were in 12 cm pots and 30-45 cm tall, overgrown. The roots were in fair condition, even though…

Garden Calendar: July 2002

by Jorge Cervantes Outdoors Each day is shorter than the last. Take solace in this fact, because each day is closer to harvest. July is often the beginning of truly hot summer weather in cooler climates. Warmer climates have experienced hot weather for more than a month. Water is very, very important now, especially if…

Mixing Soil for Transplant

by Jorge Cervantes Mixing several commercial soils is often the best option to get a soil that drains well and holds nutrients too. I prefer organic soil so do medicinal cannabis plants. You have many different soils available. The main thing to look at is the consistency of the soil. Let’s make some soil. I…

Jorge Cervantes’ Grow Guide

View Jorge Cervantes’ Grow Guide now! Check out this free collector’s edition of the best content from Jorge Cervantes. That’s right, we’re giving away 95 pages of Jorge high lights via digital download…free! No strings attached – just page after page of the best of Jorge!  Jorge Cervantes’ Grow Guide includes the legendary grower’s picks…