Category: W

Worm Castings

What does Worm Castings mean? Worm castings, also known as vermicast, are a worm’s manure in its natural form. The waste produced by worms as they eat compost, natural decaying debris in soil, and other organisms such as rotifers, nematodes, protozoans, bacteria, and fungi becomes a nutrient-rich soil additive. Worm castings contain an abundance of bacteria, remnants […]

Wood Extractive

What does Wood Extractive mean? Wood extractives, or wood extracts, are tiny molecules that are extracted from wood using solvents or other extraction methods. The extractives are the waxes, fatty acids, resin acids, and terpenes of a tree. They are classified as phenolic, aliphatic, alicyclic compounds, or other lesser compounds. The overall composition of the extracts varies […]

Winter Kill

What does Winter Kill mean? Winter kill refers to a plant dying because of the harsh effects of winter time weather. Usually prolonged cold weather does not damage a dormant plant as significantly as ongoing temperature fluctuations. Plants acclimatize slowly to temperature changes as the weather becomes colder and colder. A sudden and unexpected hard freeze often […]

Women Grow

What does Women Grow mean? Women Grow is a for-profit organization in North America that connects, educates, inspires, and empowers individuals in the cannabis industry. Women Grow was founded in 2014 in Denver, Colorado, and has since expanded across the country and into Canada, where there are regional chapters operating. In fact, the organization is the largest professional […]

Wing Reflector

What does Wing Reflector mean? A wing reflector diverts the light’s rays from a light bulb downward onto the plant. The wings of the reflector further capture additional light and focus it towards all the plant’s surfaces that are placed beneath the light. Without a reflector, the light from the bulb is dispersed upwards, as well as […]

Wick System

What does Wick System mean? A wick system is a watering method for potted plants that uses a soft fabric string known as a wick. One end of the wick is buried in the soil, and the other end hangs into a pot, dish, or bucket of water. Water will flow up the wick and water the […]


What does Wilt mean? Wilt is what occurs when the non-woody parts of a plant lose their rigidity and it begins to droop. Wilt can be the result of environmental conditions, such as a lack of water, or it can be the caused by outside factors or diseases. In many cases, plant wilt is simply a sign […]


What does Wick mean? A wick system is a hydroponic growing set-up used by cannabis growers seeking an affordable, low-effort method of growing marijuana. In a wick system, a cotton wick absorbs water and nutrients from a solution, and supplies it to growing plants in containers. Essentially, the wick system works on the same principle as an […]


What does Whorled mean? A whorl is defined as a spiral arrangement. In the context of botany, whorled defines a circular arrangement that is extended from a single point and wraps around the stem. There are whorled petals, sepals, branches or stipules. Though whorled leaves are atypical, there are some plants with short internodes of whorled leaves […]

Willow Extract

What does Willow Extract mean? Willow extract is used as an organic rooting stimulator or growth booster, encouraging plant roots to grow stronger and faster in any type of gardening set-up. Willow extract contains two auxins – salicylic acid and indolebutyric acid – and is obtained from the growing tips of willow branches. When it comes to […]
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