Category: T


What does Turgor mean? The term turgor refers to the water pressure within a plant’s cells. Osmosis helps maintain a plant’s cellular turgor, and the membrane of the plant’s cells controls the turgor. Water passes through the membrane into the middle of the cell and then back out. However, the membrane does not allow salts or nutrients […]

Tungsten (W)

What does Tungsten (W) mean? Tungsten is a hard, heavy metal that is ideal for electrical conduction because of its high melting point. As a result, it is commonly used to make filaments in incandescent and halogen grow lights that are often used in areas where plants do not receive any natural light, such as during winter […]


What does Tuber mean? A tuber is a part of the plant that grows beneath the soil’s surface. The tuber is used by the plant to store valuable nutrients and water. The reserve of a tuber’s nutrients and energy are used by the plant during periods of drought or during the winter months. There are two types […]

True Leaf

What does True Leaf mean? True leaves are the leaves of a seed plant that contain vascular tissue. Unlike seed leaves, true leaves tend to be quite low on the stem and are normally produced first, after the seed leaves (cotyledons). True leaves look distinctively different than the seed leaves. They tend to be hairier than their […]

True Breed (IBL)

What does True Breed (IBL) mean? A true breed strain (also known as IBL) of cannabis will produce stable, consistent offspring off a single dominant phenotype. Normally, true breed strains are found among landraces and some traditional cultivars. Breeders also frequently use the term true breed to denote certain strains that will produce single specific traits over […]

Trough Culture

What does Trough Culture mean? Trough culture is a form of hydroponics. The term trough culture refers to growing plants in raised troughs, also called benches, above a soilless mixture. Instead of soil, common materials such as coconut fiber, clay pellets, vermiculite, perlite, or rockwool are used. A drip system is utilized for irrigation and fertilizer applications. […]


What does Tropism mean? In horticulture, the term tropism refers to a plant’s biological ability to move by itself in response to various forms of external stimuli, be it light, wind, chemicals, touch, temperatures, gravity, and more. There are several types of “tropisms” relating to plants, but each type of tropism refers to a directional stimulus that […]

Tropical Plant

What Does Tropical Plant mean? A tropical plant is a plant that grows naturally in a tropical climate. A tropical climate is typically hot and humid, with temperatures constantly exceeding 18 degrees Celsius, with zero frost days. In colder climates north of the equator, tropical plants can be grown as houseplants and set outside during the […]


What does Trimmer mean? In marijuana cultivation, the trimmer is the person or tool that trims the plants to maximize the THC-producing parts of the plants. The trimming is done right before and during the drying stage of the plants. Although most trimming is done by hand with a pair of scissors, there are commercial trimmers available […]

Trim Run Concentrate

What does Trim Run Concentrate mean? Trim run concentrate is a type of cannabis concentrate that is made from the trimmings of the cannabis plant. Normally, growers are left with large quantities of cast-off trim cuttings from cannabis plant cultivation. The trim cuttings are comprised of stems, stalks, and leaves, as well as, on rare occasions, tiny […]
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