Herbs - Aromatic plants used for seasoning, medicinal purposes, or garnishes. Aromatic
herbs are the ones that have fragrant or smelly leaves or flowers. Cannabis leaves are sometimes used as a Herb.
Hermie/Hermaphridite - A plant that changes sex midway through it's life cycle, to have
both FEMALE and MALE characteristics. Due in part to many factors, but primarily due to
stress (ie; light stress, heat stress, nute stress) or improper dark cycle. (ie; not sealing off
the grow area properly and not letting the plant get 100% COMPLETE darkness)
HID - High Intensity Discharge (lighting)
HPS - The best light available today for growing
marijuana. High Pressure Sodium lights
are very bright and very efficient. This light has a red/orange spectrum that is ideal for
the flowering phase. With enough of these kind of lights you too can grow those
centerfold buds. HPS comes in a wide variety of wattages from 70 watts up to 1000 watts.
Hormone - A biochemical product of a specific cell or tissue that causes a change or
activity in a cell or tissue located elsewhere in an organism.
Hydroponics - The growing of plants without soil, instead using a medium like clay
pebbles, rockwool-floc or perlite and vermiculite mixture. And giving the plant all the
nutrients through the water the roots are in.