Aromatherapy: Evidence for sedative effects of the essential oil of lavender after inhalation. The Greek naturalist, Dioscorides, praised the medicinal attributes of Lavender in the first century A.D. Extension Specialist, Herbs / Organics / Specialty Crops / Vegetables / Hemp. Meloidogyne incognita – Southern Root-knot Nematode If a good cover crop had been grown or manure was added to the field before planting, fertilization may not be necessary for several years. Every fall, we propagate thousands of organic lavender plants from cuttings. Preliminary testing was performed on lavender field crops to test a prototype machine designed to control weeds by flaming. Tissue culture protocols are generally cost prohibitive to small-scale growers because of the specialized sterile laboratory equipment required. Lavender essential oil. Studies on the reconstruction of lavender plantings to wide row spacing in regard to mechanized cultivation and harvest Rastenievud. propagation in a specific agricultural production context. Culpeper (1652) suggests, “two spoonfuls of the distilled water of the flowers taken helpeth them that have lost their voice; as also the tremblings and passions of the heart, and faintings and swounings”, Salmon suggests (Herbal, 1710) that “it is also good against the bitings of serpents, mad-dogs and other venomous creature, being given inwardly and applied poultice-wise to the parts wounded. Describe the production processes on a lavender farm. Set the cutting aside while you prepare the container. Working hand-in-hand with our partners at N.C. A&T and 101 local governments, we conduct groundbreaking research that addresses real-world issues in communities across the state. HortScience. Under these conditions root growth is achieved by 14 days. Describe commercial lavender growing operations. This is a statewide program but focuses on the needs of the small and medium size farms that make up the agricultural landscape of western North Carolina, and new farmers, hobby farmers, organic gardeners, and specialty crop producers across the eastern U.S. NC State University and N.C. A&T State University work in tandem, along with federal, state and local governments, to form a strategic partnership called N.C. Prototype for flame weed control in medicinal and aromatic plants. English lavender (L. angustifolia) cultivars are best for dried flower purposes because the flowers persist on the stems when dry, whereas Lavandin cultivars are easily separated from the stem and are better suited for essential oil and potpourri purposes. Once it roots, the new stem is treated just like any other lavender start that would be grown from seed. (1996) found that polyploidy could be induced in L. angusitfolia cultivars to obtain new productive varieties. The best type of cutting to use depends on the type of lavender and the time of year. Learn how to grow lavender in your garden with the RHS expert guide on choosing, planting, feeding, pruning and propagating plants. Tissue culture (syn., in vitro culture, micropropagation) methods have been developed for the mass propagation of lavender varieties from hybrid stock plants. Tissue culture propagated plants can be purchased, however. Results of a comparative study of lavender varieties. if seeds are to be used, these should be sown in late spring or early summer. Propagation and Culture of Lavenders as practiced by Tomas J. DeBaggio owner of T. DeBaggio Herbs in Arlington, VA. Extension Publication, Alternative Agriculture, Virginia State University. What made it so helpful? Response of lavender plants to different nitrogen sources. Gibbs Smith Publisher, Utah. 12(2):173-181. San Juan Naturals, WA. When full grown, leaves become greener and extend up to 2 1/2 in long, with scattered hairs above, smooth or finely downy beneath, with the margins only slightly revolute. Essential oils are accumulated in the flowers and flower stalks. 210-11. It can reach 3 feet in height and spread. An important aspect of propagation for essential oil production is an understanding of the phytochemistry associated with the lavender varieties. Plant all species in a protected south facing location with well-drained soil within a pH range of 6.4-8.3. Set the new plant in a sunny location and water it when the soil is dry, an inch (3 cm.) Cuttings are placed in trays being careful not to allow leaves to touch soil surfaces, which can result in burning the leaves. Commercial lavender oil is readily available to purchase as an ingredient for personal care items such as soaps, which are often viewed as an affordable luxury. Medicinal uses include treatment of headache, hysteria, nervous palpitations, hoarseness, palsy, toothaches, sore joints, apoplexy, colic, coughs, and rumbling digestive systems. The traditional uses of lavender range from use as a perfume to a antimicrobial agent. 1995. Propagating lavender from cuttings is also fairly easy to do and you can use the same method for other plants like … The spirituous tincture of the dried leaves or seeds, if prudently given, cures hysterik fits though vehement and of long standing.”. Zeitschrift Fuer Naturforschung Section C Biosciences 46(11-12):1067-1072. The project doesn’t require any special equipment, and it’s easy enough for a beginner. Culinary uses include flavoring vinegars, jellies, and salads. If you plan to keep the plant in a pot for more than two or three weeks, transplant it into a larger pot with regular potting soil that drains freely. A typical plant after harvest Here is a step-by-step guide on how to propagate lavender from … She recommends protecting plants from both summer and winter winds to prevent damage to the spikes. This manual from the University of Maine is a more in-depth … U. S. Department of Agriculture. You can start lavender from hardwood or softwood cuttings. Written by Joe-Ann McCoy, Ph.D. 1999. Another method of spacing is to plant 18 inches apart each way for the first year of growth, then to remove every other plant in the second year resulting in 36 inch spacing which produces optimal flower and essential oil yields. Lavender plant is originated in Mediterranean region. pp. It requires good drainage and prefers a warm, well-drained loam with a slope to the south or southwest. Kowalchik, C., and Hylton, W., Eds. He suggests taking 4″ cuttings from disease free plant material in spring when buds are beginning to form. Learn More About NC State Extension, We have several topic based e-mail newsletters that are sent out periodically when we have new information to share. Flowers are produced in terminating one-half-inch-long spikes from the young shoots, on long stems. Lavender varieties are susceptible to frost injury. Lavender can grow in abundance under the right conditions, and taking cuttings can be an ideal way to spread more lavender around your garden. L. latifolia, or Spike Lavender, is one of the species that makes up the lavandin hybrid but is not hardy, being a native of the Mediterranean. It was determined that the giberellic treatments, with or without pre-freezing, significantly increased the percentage of germination and accelerated overall germination rates (Aoyama, 1996). Studies on the vegetative propagation of lavender. The Business of Herbs. Feed the plant with one-quarter strength liquid plant fertilizer once a week. There are two esters in the oil which are the primary source for the odor of lavender. Current research from the Netherlands has proven that essential oils of Lavandula angustifolia suppress sprouting in potato tubers and are also antimicrobial. homepage 1995. Other constituents of the oil are cineol, pinene, limonene, geraniol, borneol and some tannin. In addition, he found that the sand increased flower and oil production when compared to a control group of plants which were not mulched. This is NOT the way to efficiently prune lavender! Phytophthora nicotianae– root rot Choose stems with good color and no buds. Any dead leaves or stems should be snipped off throughout the growing season. Of the various blue cultivars, Irene Doyle (Tucker, 1984) is considered unique in its ability to flower twice. The 2-lipped corolla is a bluish-violet color. A collection of lavenders, Part 2. Lavender Propagation As these are naturally short-lived plants, even the bravest pruning regime will probably only extend a lavender’s life to ten years or so. Lavender was a favorite ingredient in herbal baths of both Greeks and Romans. Walker, J. Plants grown from seed are variable in growth habit, color, and essential oil composition and are unsuitable for commercial harvesting. Fortunately, there’s a way to create your own lavender plants for practically nothing. Various cultural practices can effect the ester value of Lavender oil. Horticultural cultivars include Dutch, Grappenhall, Hidcote Giant, Old English, Provence, Seal, and Silver Gray. The same thing that connects it to every corner of North Carolina: NC State Extension. ‘Irene Doyle’ Lavender. CUTTINGS. 30(3): 244-246. The maximum value of essential oil was obtained with S as a 1% foliar application (Hussein et al., 1996). Prices can range from $10 to $15 per pound. propagation by seed is not recommended for commercial lavender production. 165. p.235. One of the easiest ways to propagate lavender is by taking cuttings - and the best time to take cuttings is after flowering. Egyptian Journal of Horticulture 23(2):167-178. Lavandins produce large, long stemmed flowers which are slightly gray in color while English lavender (Lavendula angustifolia) varieties produce shorter-stemmed flowers with a blue color when dried. Lavender oil contains up to 40% linalyl acetate and 30% linalol. As plants die they are removed and replaced with healthy stock. He recommends a mix of one part coarse perlite to one part sterilized, baked clay frit (cat litter). Yale Medical Library. 30(2):292-293. Lavender Production, Products, Markets, and Entertainment Farms This publication is intended for a beginning lavender grower with some horticultural experience. Plants grown from seed are variable in growth habit, color, and essential oil composition and are unsuitable for commercial harvesting. Softwood cuttings from lavender root in two to four weeks, and hardwood cuttings take a little longer. 1991). Recent studies have found that essential oils from this extraordinary species can replace chemical methods currently in use to suppress sprouting in potato tubers for storage (Vokou, 1993). Herbal Renaissance. Cooperative Extension, which staffs local offices in all 100 counties and with the Eastern Band of Cherokee Indians. If you are starting a large-scale lavender farm, you must have a proper marketing planning. Fortunately, pre-grown plants in pots are freely and cheaply available at garden centres and even some supermarkets, so few gardeners consider it worthwhile raising their own. Propagation by seed creates overlapping traits and further variation within cultivars. Unpublished Material. Lavender Propagation Propagation by cuttings results in uniform plants, and is the most common commercial method. Cultivars with gray foliage are quite susceptible to infection. Yield and quality of lavender in relation to foliar application of sulphur and phosphorus. Linalyl acetate, its acetic ester, has a pleasant, sweet, fruity, aroma which along with its antimicrobial properties makes lavender unique. Lavandin is a sterile hybrid and must be vegetatively propagated. Few dozens of lavender plants growing in the backyard can make you rich. Regardless of the type of cutting, you should always cut healthy, straight, vigorous stems for rooting. Subscribe By Email chevron_right. Of these the principal is linalyl acetate and the second in linalyl butyrate. ecosyst. English lavenders grow poorly in the hot, humid southeast, while lavandins can grow and thrive as far south as Florida. The calyx is tubular and ribbed, with thirteen veins, purple-gray in color, five-toothed and hairy with shiny oil glands among the hairs visible with a hand lens. Hortscience 19(4):595. Uses for Lavender Lavender has a lot of uses around the home including potpourri, cut flowers, dried sachets, soap, scented satchels and pillows, essential oils, and even in the kitchen. Germination study of lavender seeds. Propagating lavender from cuttings is an easy and fun way to get more. If you’re new to plant propagation, taking lavender cuttings in summer is a good way to start as they root easily and will provide you with lots of new plants for free.. Describe various lavender products and discuss the way in which they are processed. Horticulture technical note. In a germination study of lavender seeds, the effects of gibberellic acid, light/dark regimes, and pre-freezing were studied. According to Tucker and Hensen (1985) lavenders can be distinguished by their bracts; those of L. angustifolia are ovate-rhombic in outline, with a length/width ratio of 0.83 to 2.20 with bracteoles absent or up to 2.5 mm long. This species is grown for its rosemary-scented flowers and for potpourri production. Lavender will grow in North Carolina, but it is not the ideal place for it. 1991. Indian Journal of Experimental Biology. According to a reliable source, Provence (Lavandula x intermedia) and Grosso (Lavandula x intermedia) do well in western NC and there is a relatively new cultivar called Phenomenal (Lavandula x intermedia) that is hardy to zone 4. Douglas, J. A Modern Herbal (1931). This produces a safe. Select species appropriate to the climatic and soil conditions of a chosen locality. 426:561-572. These cuttings are placed in moist sandy soil in a shaded cold frame or in pots with lath protection. Tissue cultured plantlets could therefore be a good source of disease-free plantlets for regeneration purposes (Chambdon, 1992). L. augustifolia (English lavender), L. stoechas (Spanish Lavender), Lavandula x intermedia (Lavandin) are three of the more common species of lavender and flower at different times. L. stoechas oil is high in camphor (24-72 %), borneol, cineole, fenchone, (up to 34%), linalool acetate, and others. Hussein, M., El-Saeid, E., El-Sherbeny, S. 1996. Lavender was used as an ingredient in smelling salts and was used to disinfect wounds during wartime. 24(1):7-17. The spikes are composed of whorls or rings of flowers, each composed of six to ten flowers; the lower whorls becoming more distant from each other. A comparison of three French varieties of lavender for optimal essential oil concentrations showed that ‘Superb’ and ‘Abrial’ varieties had higher flower and essential oil yields per ha than the ‘Normal’ variety (Chingova et al. Effects of aromatic plants on potato storage: sprout suppression and antimicrobial activity. For commercial production it is strongly recommended to set up trial areas of approximately 200 plants each with selected cultivars to determine quality and yields before planting on a large scale. Lavender: Lavandula angustifolia. The machine was mounted on a trailer and the crop rows were protected by lateral bulkheads. Major commercial growing areas are located in France, England, New Zealand and Australia. Blossoms drain the plant of energy, and it’s unlikely that a stem will have the resources to form good roots if it is trying to bloom. The cultivars of Lavender and Lavandin (Labiatae). Prepare the site by mixing compost or peat moss with the top four inches of soil and preparing a raised bed. Thomas DeBaggio of DeBaggio Herbs in Arlington, VA, has reported that lavenders develop optimally with 33 inches of annual rainfall. ... Propagation The best time to take cuttings from lavender plants is right after they have ... Royal Velvet 24-36" 24" 5 Dk. Center-Home Page. Dark-flowered cultivars are less resistant to disease than the pale-flowered varieties. This powerful and potent herb has been utilized throughout antiquity and is still retained as a common household ingredient today. Climate is a critical factor in growing the lavender plant. Fill a small pot with commercial starting medium or a homemade mix of half vermiculite or perlite and half peat moss, with a little bark added to facilitate drainage. Sometimes when pruning Lavender there are suitable sized pieces remaining to … Rasteniev dni-Nauki. Frontier Natural Products Coop. Pythium – root rot Its elegant flowers are often used for dried flower production. NC State Extension is the largest outreach program at NC State University. In Part 1 of our propagation blog series we looked at what propagation is, and why you may want to propagate your lavender. 113-6. L. multifida, (fern-leaf lavender), L. pinnata, and L. canariensis are characterized by their lacy, finely divided fern-like leaves with solitary spikes in threes (trident-form). In New Crops. Because many lavender varieties are not winter hardy and some exhibit poor rooting ability, careful choice of cultivar is recommended. L. Sawyers, is another hybrid (L. angustifolia and L. lanata) which is considered half-hardy. However, only 3 species are popular for commercial lavender farming. The best yields of essential oil were observed following application of ammonium chloride (N source) at 44 lb/ acre (El-Sherbany et al. Lavender requires well-drained light, sandy, or sandy loam, or gravelly soils in full sun. Cooperative Extension prohibits discrimination and harassment on the basis of race, color, national origin, age, sex (including pregnancy), disability, religion, sexual orientation, gender identity, and veteran status. 1999 was dubbed the “Year of Lavender”; as a result there was an increased demand for information and literature concerning all aspects associated with lavender production. Foster, S. 1984. L. lanata, wooly lavander, is an exceptional potpourri plant because of its balsam-lavender fragrance. The most common disease problem with lavender is wilt. (Buchbauer et al. The Bootstrap Guide to Medicinal Herbs in the Garden, Field and Marketplace. 1973. Acta-Horticulturae. pp. Lavender propagation through cutting involves taking a cutting of a stem and planting it as a seedling. Hardwood is thicker than softwood and resists bending. 1987. Flower stalks are cut just under the first pair of leaves. When regenerants were planted in fields, quality characteristics, including essential oil concentrations, were similar to parent plants. 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