Lloyd Johnson - The Beginner's Guide to Growing Marijuana

hermaphrodite

A cannabis plant with flowers of both sexes appearing.

hybrid

Offspring resulting from crossbreeding two different gene pools.

indica

Short for Cannabis indica , a species of cannabis, particularly found in medical cannabis strains.

leach

Washing or flushing soil of soluble components, achieved by heavy watering.

leafing

Also known as grooming; removing yellowing or dead leaves from flowering plants.

marijuana

A common term for cannabis.

mildew

A powdery mold found on leaves.

mother plant

A female cannabis plant used as a source for clones by taking cuttings.

mulch

Surface dressing, preferably with compost, to reduce water evaporation and to provide plant nutrients.

N-P-K

Nitrogen (N), phosphorus (P), and potassium (K); essential elements for plant life.

organic gardening

Gardening by natural method; without synthetic chemicals.

phenotype

The expression, or outward, form of a plant, created by how the environment influences the genotype.

photoperiod

Duration of daily exposure to light, whether artificial or natural sunlight.

photosynthesis

The process in green plants by which carbohydrates are synthesized from carbon dioxide and water using light as an energy source. Plants then release oxygen as a byproduct.

pistils

Fuzzy white hairs that appear at the tip of the female calyx in pairs. Used to catch male pollen.

pollen

Microspores that contain the male plant genes.

pollination

Transfer of male pollen to the female ovules for seed production.

primordia

The earliest stage of both male and female cannabis flowers that first appear along the main stalk and limbs.

root ball

The plant’s roots and the soil contained by them.

rootbound

A condition where a plant’s roots have filled its container.

sativa

Short for Cannabis sativa , a species of cannabis known for its strong psychoactive effect. Frequently crossed with the indica species.

senescence

A natural phase of decline in a plant; from peak to death.

sexual propagation

Reproducing plants by fertilization.

shake

Slang term for lower-grade cannabis, meaning mostly leaves.

sinsemilla

A Spanish word meaning “without seeds,” commonly used slang for the preferred state of recreational cannabis for consumption.

soilless medium

A mix made of vermiculite, perlite, sand, and pumice that is sterile and contains no nutrients.

sport

An individual or new genetic character arising or resulting from mutation.

stamen

The pollen-producing reproductive organ of a flower.

sticky traps

Any number of organic pest solutions that involve a nontoxic, nondrying sticky substance spread on attractant colored sheets of cardboard.

strain

A line of offspring from shared ancestors.

terpene

A hydrocarbon found in resinous plants like cannabis or rosemary; the organic molecule of strong aroma.

tetrahydrocannibinol (THC)

One of the psychoactive chemicals found in cannabis.

transplanting

The process of transferring plants to larger containers or into the ground.

trichome

A plant hair that secretes resin.

vegetative phase

The growth phase of cannabis preceding the flowering phase.

vermiculite

A soilless medium used by indoor growers for moisture retention.

Lloyd Johnson is a respected herbalist, specializing in natural home remedies, who strongly supports the growing movement to legalize marijuana throughout the United States. He began growing the herb as a medicinal treatment and now helps many find relief through cannabis use. He lives in California with his wife, their two cats, and his thriving herb garden.

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Contains material adapted and abridged from The Everything® Marijuana Book by Alicia Williamson, copyright © 2010 by F+W Media, Inc., ISBN 10: 1-4405-0687-6, ISBN 13: 978-1-4405-0687-1; Grow Marijuana Now! by Alicia Williamson, copyright © 2011 by F+W Media, Inc., ISBN 10: 1-4405-1091-1, ISBN 13: 978-1-4405-1091-5; and The Everything® Small-Space Gardening Book by Catherine Abbott, copyright © 2012 by F+W Media, Inc., ISBN 10: 1-4405-3060-2, ISBN 13: 978-1-4405-3060-9.

ISBN 10: 1-4405-7329-8

ISBN 13: 978-1-4405-7329-3

eISBN 10: 1-4405-7330-1

eISBN 13: 978-1-4405-7330-9

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