Because many lavender varieties are not winter hardy and some exhibit poor rooting ability, careful choice of cultivar is recommended. This manual from the University of Maine is a more in-depth … A defoliating moth larva has been reported in Australia. Rooting hormone helps prevent the tip from rotting and encourages quick, strong root development, but lavender roots well without it. The spikes are up to 1 3/4-inch long and 1/2 inch diameter. In New Crops. This cultivar was developed by the late Ted Torrey, head plant breeder for W. Atlee Burpee & Company. “Lavender”. 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. 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. Phytophthora spp. Lavender-blue flowered cultivars include Backhouse Purple, Bowles Early, Compacta, Folgate, Graves, Gray Lady, Gwendolyn Anley, Irene Doyle, and Maillette. A typical plant after harvest Lavender essential oil. N.C. Huge collection, amazing choice, 100+ million high quality, affordable RF and RM images. With cuttings, you can rest assured that your new plants will be exactly like the parent plants. This species is grown for its rosemary-scented flowers and for potpourri production. One of my most favorite successes as a lavender farmer last year was the propagation of 500 lavender starts to plant in our new field. Another study in Austria provided evidence of the sedative effects of the essential oil of lavender after inhalation (Buchbauer et al., 1992). 14(6):77-85. In addition, because most lavender varieties are clones, vegetative propagation (cuttings, layerings, and division of roots) is highly recommended to retain desirable traits. 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. High light (12-14 hrs/day) and ventilation (fans) is required for optimal germination. Bioactivity of Lamiaceae plants against insects. Remove the plastic bag when the cutting has roots. Foster, S. 1993. This heavy pruning stimulates growth from the base of the plant. The 2-lipped corolla is a bluish-violet color. She recommends protecting plants from both summer and winter winds to prevent damage to the spikes. Update by Jeanine Davis, 2020: There is a renewed interest in growing lavender in North Carolina and many new, small lavender farms are now established across the state. Most lavenders are hardy to USDA zones 5 to 9, but if you live in an area where the winter temperatures get below about -10 degrees F, consider taking some cuttings of your favorite plants in early fall and growing them indoors over the winter in case your outdoor plants freeze out. Plant all species in a protected south facing location with well-drained soil within a pH range of 6.4-8.3. Dr. Tucker reports a 95-100% success rate with this method. DeBaggio, T., 1989. – wilt The majority of the oil extracted from the flowers is contained in the glands on the calyx. Chambdon, C., Poupet, A., Beck, D., Bettachini, B., Touche, J. It can reach 3 feet in height and spread. Set the new plant in a sunny location and water it when the soil is dry, an inch (3 cm.) pp. You will automatically get notified when we post news to this site. Vascular wilts are most common in the month of August when temperatures reach 90° F and humidity reaches 90%. Researchers in Bulgaria have experimented with the reconstruction of lavender planting to wide-row spacing in regard to mechanized cultivation and harvest (Tsachev, 1976). This is NOT the way to efficiently prune lavender! Hardiest plants are English lavender (L. angustifolia), Lavandin (L. x intermedia) and spike lavender (L. spica, or L. latifolia). The positive influence of foliar applications of sulfur (1%) and phosphorus (1%) on the yields, volatile oil and minerals of lavender was studied during 2 successive seasons in Egypt. Use a sharp knife to take a hardwood or softwood cutting measuring 3 to 4 inches long. Can you ever have too many lavender plants? (Optional) Describe of a variety of lavender species and cultivars. The traditional uses of lavender range from use as a perfume to a antimicrobial agent. if seeds are to be used, these should be sown in late spring or early summer. Lavender: Lavandula angustifolia. Want to see which lists are available? The maximum value of essential oil was obtained with S as a 1% foliar application (Hussein et al., 1996). Plants are harvested from the second through the fifth year at which time some growers replant. A collection of lavenders, Part 2. In addition, because most lavender varieties are clones, vegetative propagation (cuttings, layerings, and division of roots) is highly recommended to retain desirable traits. A thick layer of mulch is recommended after the first frost. plants grown from seed are variable in growth habit, colour and essential oil composition. In a germination study of lavender seeds, the effects of gibberellic acid, light/dark regimes, and pre-freezing were studied. McGimpsey, J. Softwood cuttings are taken from the soft, pliable tips of new growth. Lavender grows best in light soil, sand, or gravel, in a dry, open and sunny position. 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). Remove all of the leaves from the lower 2 inches of the stem and then gently scrape the skin off the bottom portion of the stem on one side with a knife. (1996) found that polyploidy could be induced in L. angusitfolia cultivars to obtain new productive varieties. Commercial lavandin oil- and flower- producing cultivars include, Grosso, Abrialii, Super, Standard, Maime Epis. If you are starting a large-scale lavender farm, you must have a proper marketing planning. 1960. In Part 1 of our propagation blog series we looked at what propagation is, and why you may want to propagate your lavender. Lavender plant is originated in Mediterranean region. “Mercury owns the herb and it carries his effects very potently.” (Culpeper, 1652), Uses: Aromatic, carminative, antispasmodic, expectorant, stimulant, cosmetic, culinary, decorative, medicinal, antibacterial, and antiseptic. Updated by J.M. Acta-Horticulturae. French lavender or Fringed lavender (Lavendula dentata) grows up to three feet in height. Atti del convegno internazionale: Coltivazione e miglioramento di piante officinali, Trento, Italy. A hybrid cross between L. dentata and L. latifolia, is known as Lavandula x allardii, or giant lavender. Any dead leaves or stems should be snipped off throughout the growing season. Harvested lavender has many uses; you can make fresh or dried arrangements or wreaths, or process it to use in soaps, candles, and cosmetics. The commercial cultivation of Lavender on large scale can fetch crores of rupees. Vokou, D., Vareltizidou, S., Katinakis, P. 1993. L. latifolia oil has alpha-pinene, camphene, beta-pinene, sabinene, betamyrcene, 1,8-cineole (up to 33%), beta-cymene, linaloyl oxide, camphor (~5%), and linalool (up to 25%), among other constituents. Dr. A. O. Tucker advises using one to two inches of white sand as a mulch around plants to reduce fungal pathogen infection. In the book “A Modern Herbal” published in 1931, Mrs. M. Grieve suggests taking cuttings from young wood in fall or spring by pulling a healthy branch downward so that a piece of the older wood (heel) is retained. Appropriate Technology Transfer for Rural Areas (ATTRA). 1996 Herb garden favorites around the world. This is the simplest method of propagation, although the least efficient in terms of time and number of regenerants per plant. Various cultural practices can effect the ester value of Lavender oil. English Lavender, Lavendula angustifolia, is the most widely cultivated species (synonyms – L. vera, L. latifola, L. officinalis, L. spica, L. delphinensis). A Modern Herbal (1931). The Bootstrap Guide to Medicinal Herbs in the Garden, Field and Marketplace. As plants die they are removed and replaced with healthy stock. Response of lavender plants to different nitrogen sources. Commercial potting soils have plenty of nutrients to maintain the plants without supplemental feedings. Subscribe By Email chevron_right. Hidcote (L. angustifolia), Munstead (L. angustifolia), and Superblue (L. angustifolia) are also well-known varieties and often good choices for North Carolina. Dip the stripped tip of the cutting in rooting hormone, if desired. Tissue culture propagated plants can be purchased, however. Find the perfect commercial lavender production stock photo. 53(2-3):267-272. They proved through experimentation with mice that the essential oil of lavender did indeed facilitate falling asleep and a minimization of stressful situations. Sign up to get all the latest gardening tips! The machine was mounted on a trailer and the crop rows were protected by lateral bulkheads. Horticultural cultivars include Dutch, Grappenhall, Hidcote Giant, Old English, Provence, Seal, and Silver Gray. It needs very well-drained soil, so do whatever you can to provide that and definitely build raised beds. 1973. Both leaf size and plant height (3 ft) are larger in lavandin when compared to English lavender. Vascular wilts are very destructive diseases with typical symptoms characterized by rapid wilting, browning, and dying of leaves and succulent shoots of plants followed by the death of the plant. Others report that plants may be harvested up to 30 years. The project doesn’t require any special equipment, and it’s easy enough for a beginner. FIELD CULTURE. 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. Scientia-Agricola. All lavender plants require well-draining soil and benefit from the addition of grit. Tissue culture (syn., in vitro culture, micropropagation) methods have been developed for the mass propagation of lavender varieties from hybrid stock plants. Lavender propagation by Lavender cuttings is easy to do if you have a large Lavender already growing in your garden. When regenerants were planted in fields, quality characteristics, including essential oil concentrations, were similar to parent plants. 1992. SEEDS. Our high humidity and rainfall present the biggest challenges to lavender, so plant in an area where it will get good air flow, too. 663-666. Propagation by seed is slow (six months to transplant size) and germination rates are low and sporadic. Commercial uses can include essential oil production, cosmetic manufacturing, sale to restaurants (salads, food flavorings), sachets, tea, potpourri, soaps, or sale of ornamental plants. Fusarium – root rot Sturdivant, L. and Blakley, T. 1999. HortScience. In a study on the vegetative propagation of lavender by rooting of stem sections, 1 year old wood, various mixed wood, and three-year-old wood stem sections were compared. In China, Lavender is used in a cure-all medicinal oil called White Flower Oil. In this session we explore the following concepts: x Environmental requirements for propagation 1.1 Introduction Propagation Plant propagation refers to the multiplication of plant material of a specific cultivar, variety, breeding line or strain that possesses desirable Pruning lavender at least twice a year is an important way to ensure it stays bushy and healthy, so there’s no harm in taking the offcuts from routine pruning to create even more lovely lavender plants.. If seed… Martini, A. 1991. Gibbs Smith Publisher, Utah. Seed propagation is not ideal for most home gardeners, although it is the best propagation method to use for breeding new lavender varieties. English lavender varieties are better suited for dried flower production than Lavandin varieties. Few insect problems have been reported on field-grown lavender. The Herb Companion. 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. Flower stalks are cut just under the first pair of leaves. Foster, S. 1984. Buchbauer, G., Jirovetz, L., Jaeger, W., Dietrich, H., Plank, C., Karamat, E. 1991. Propagation by seed creates overlapping traits and further variation within cultivars. Rasteniev dni-Nauki. To maintain varieties lines lavender should not be propagated from seed. In a study from the Egyptian Journal of Horticulture, optimal yields of aerial parts of lavender were observed following fertilization with urea at 88 lb./ acre. 1987. Lavender will grow in North Carolina, but it is not the ideal place for it. XIV(5): 1-2, 32-36. Roman superstition persisted that the asp (a dangerous viper) made his nest in lavender bushes which drove up the price of the plant and made it necessary to approach it with caution.