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"Lemongrass needs at least 6 to 8 hours of strong light to grow indoors," says Roman. "If you don’t have suitable natural light, say at a sunny, south-facing window, then you’ll need to rely ...
Cymbopogon citratus, commonly known as West Indian lemon grass or simply lemon grass, [3] is a tropical plant native to South Asia and Maritime Southeast Asia and introduced to many tropical regions. [4] Cymbopogon citratus is often sold in stem form. While it can be grown in warmer temperate regions, such as the UK, it is not hardy to frost.
Citronella grass (Cymbopogon nardus and Cymbopogon winterianus) grow to about 2 metres (6 + 1 ⁄ 2 ft) and have magenta-colored base stems. These species are used for the production of citronella oil , which is used in soaps, as an insect repellent (especially mosquitoes and houseflies) in insect sprays and candles, and aromatherapy.
Chrysopogon zizanioides, commonly known as vetiver and khus, is a perennial bunchgrass of the family Poaceae.. Vetiver is most closely related to Sorghum while sharing many morphological characteristics with other fragrant grasses, such as lemongrass (Cymbopogon citratus), citronella (Cymbopogon nardus, C. winterianus), and palmarosa (Cymbopogon martinii).
Vermiculite holds more water than perlite and has a natural "wicking" property that can draw water and nutrients in a passive hydroponic system. If too much water and not enough air surrounds the plants roots, it is possible to gradually lower the medium's water-retention capability by mixing in increasing quantities of perlite.
Video tracking of a stable fly, demonstrating repellency of citronella oil [10] Citronella oil is used especially as a mosquito repellent, [11] particularly for Aedes aegypti (dengue fever mosquito). [12] Research also indicates that citronella oil is an effective repellent for body lice, head lice, and stable flies.
The leaves have deeply furrowed upper surfaces and smooth undersides, and grow 1 to 3 feet (0.3 to 0.9 m) tall. The plant's inflorescence is a spike-like panicle that can reach 10 inches (25 cm) long; The spikelet is single-flowered, awnless. [4] The seed head appears in late July or August. [5]
As water from rain, flooding, or other sources seeps into the ground, it can dissolve chemicals and carry them into the underground water supply. Of particular concern are hazardous waste dumps and landfills , and, in agriculture, excess fertilizer , improperly stored animal manure, and biocides (e.g. pesticides , fungicides , insecticides and ...