(O. vulgare subsp. hirtum)
Greek Oregano is a perennial herb that is native of the Mediterranean but can be commonly found growing in gardens throughout the United States. At maturity, this plant reaches the height of 24-30” and features woody-branched, square stems, 1 ½” aromatic, round to oval, slightly toothed leaves, and clusters of two-lipped, purplish-pink or white flowers. This plant can be grown in a container, attracts bees and lacewings, repels Cabbage Butterflies and cucumber beetles, is rabbit safe, tolerates drought and frost, the leaves are used to repel insects, is used to flavor perfumes and soaps, is used to makes dye and essential oils, is both edible and medicinal, and self sows!
Genus: Origanum
Species: vulgare
Variety: Greek Oregano
Native to: Afghanistan, Albania, Algeria, Altay, Austria, Azores, Baleares, Baltic States, Belarus, Belgium, Bulgaria, Buryatiya, Canary Is., Central European Rus, China North-Central, China South-Central, China Southeast, Corse, Cyprus, Czechoslovakia, Denmark, East Aegean Is., East European Russia, East European Russia, East Himalaya, Finland, France, Germany, Great Britain, Greece, Hungary, India, Iran, Iraq, Ireland, Irkutsk, Italy, Kazakhstan, Kirgizstan, Krasnoyarsk, Kriti, Krym, Madeira, Morocco, Nepal, Netherlands, North Caucasus, North European Russi, Northwest European R, Norway, Pakistan, Poland, Portugal, Romania, Sardegna, Sicilia, South European Russi, Spain, Svalbard, Sweden, Switzerland, Tadzhikistan, Taiwan, Tibet, Transcaucasus, Tunisia, Turkey, Turkey-in-Europe, Turkmenistan, Tuva, Ukraine, West Himalaya, West Siberia, Xinjiang, Yakutskiya, Yugoslavia.
Introduced into: Arkansas, British Columbia, California, Connecticut, Delaware, Illinois, Maryland, Massachusetts, Mexico Southwest, Michigan, New Jersey, New York, New Zealand South, North Carolina, Nova Scotia, Ohio, Ontario, Oregon, Pennsylvania, Primorye, Prince Edward I., Québec, Venezuela, Vermont, Virginia, Washington.
Ease of Growing: Moderate
Grown as: Perennial
Maturity (Blooms): July
Hardiness: Hardy. Oregano is hardy and remains a semi-evergreen perennial in colder climates and an evergreen in warmer climates.
Crops: Spring Transplant
Growing Season: Short, Long
Growing Conditions: Cool, Warm, Hot. Oregano prefers light, well-drained, moderately fertile soil with a neutral pH. Water regularly, but moderately.
Outdoor Grow Temp: 55°F - 90°F
Min Outdoor Soil Temp: 60°F. Start seeds indoors 6 to 8 weeks before frost or sow seed directly after last frost, when soils have reached at least 60˚ F.
Start Indoors: Yes
Start Outdoors: No
Light: Full Sun: min. 6 hours daily (Cold, Cool, Warm, Hot). The species of Oregano are native to the Mediterranean and love full sun.
Water: Low to Medium. Oregano is adapted to a Mediterranean climate and suffers more from too much water than not enough.
Feeder: Light. Oregano should be grown in soil that is lightly fertilized.
Suitability: Drought tolerant, Tolerates light frost, Tolerates hard frost, High heat.
Small Gardens?: Yes
Containers?: Yes. Oregano is perfectly suited for container growing, as long as the roots have at least 6" of growing space. Make sure to choose a container that drains well and fill with regular potting soil. Water when the soil becomes dry. Place in full sun. Trim regularly. Oregano will happily live in a container for the long term, but you should transfer to a larger pot before the roots rot.
Attracts Beneficial Insects?: Yes
Maintenance: Low
Height: 24-30"
Spacing: 12-15"
Sow Depth: Just below soil.
Produces: woody-branched, square stems, 1 ½” aromatic, round to oval, slightly toothed leaves, and clusters of two-lipped, purplish-pink or white flowers.
USDA Grow Zone: 4-9
Garden Uses: Group or mass in herb gardens, border fronts, cottage gardens or rock gardens. Also effective as an edger or groundcover. Pots, window boxes, and containers. Cultivars with attractive foliage are used as ornamentals.
Water Needs: Low. Oregano is adapted to a Mediterranean climate and suffers more from too much water than not enough.
Fertilizer Needs: Light. Oregano should be grown in soil that is lightly fertilized.
Watering: Water 0.5 inches every 2 weeks. Oregano is very drought tolerant, but will grow best if it gets some water when the soil is drying out.
Pruning: 1 time. If the plant starts to get woody, cut it down to within a couple of inches of the ground. This will stimulate it to send up fresh new growth.
Harvesting
You can pick off individual leaves as needed, but the best way to harvest oregano is to cut off whole sprigs. Use a clean pair of scissors or garden clippers to snip off sprigs of any length. Make your cut right above a set of leaves so that the plant can regrow.
If you want to do a large harvest, oregano is most flavorful right before the plants bloom. This is the best time to pick leaves for drying if you want to store oregano.
You can harvest oregano pretty heavily, but always leave a good 3-4 inches of the plant intact so that it can recover.
Oregano flowers are also edible and have a milder flavor that works well in fresh salads. Clip some off when they open, but don’t forget to leave some for the bees!
Storage
Next, either tie your oregano stems into small bundles or lay them out flat on a wire rack. The bundles can be hung up to dry and covered with a paper bag that has air slits to catch any falling leaves.
Place the herbs somewhere warm, dry, and out of direct sunlight. With good air circulation and low humidity, the leaves will only take a few weeks to dry completely.
Once the leaves are crisp and crumbly, take them off the stems (but try to keep them whole) and store in airtight containers. Kept in a cool, dark location, dried oregano will retain its flavor for 6 months or longer.
Seed Viability in Years: 1 year
Culinary
Culinary Use: Use oregano leaves dried or fresh in chili, tomato sauce, meats, and pizza.
Leaves: raw or cooked as a potherb. Oregano is an important flavoring herb in Mediterranean cookery, and is often used dried rather than fresh. This sub-species has a much stronger flavor than the type. The leaves are used as a flavoring for salad dressings, vegetables and legumes, and are frequently included in strongly flavored dishes with chilli's, garlic, onions etc. A nutritional analysis is available. Much of the commercially available dried oregano does not come from this plant but from a number of different, often unrelated plants. These include Lippia graveolens, L. palmeri and Origanum syriacum. A herb tea is made from the dried leaves and flowering stems.
Medicinal
Nutrition
Health Benefits of Oregano
Antibacterial Activity: On a more basic immune system note, oregano also has clear antibacterial properties, which are again due to the presence of thymol and carvacrol. These important organic compounds can defend the body against a wide range of bacteria that can affect the skin, the gut, and other parts of the body. Oregano is also a slightly stimulating agent, which can increase the production of white blood cells and speed up the metabolism, making recovery from illness even faster.
Digestive Health: Oregano is packed with fiber, so despite its small size, it can have a major impact on your digestive system. Fiber is an essential element of a healthy digestive system, as it can increase the bulk of your stool and stimulate peristaltic motion, which moves food through the digestive tract and excretes it efficiently. Also, fiber helps to maintain the health of the gut and increases nutrient uptake, so the food you eat does more for you!
Heart Health: Oregano is a natural form of omega-3 fatty acids, the beneficial type of cholesterol that actually improves your heart health, whereas omega-6 fatty acids have a negative impact. Furthermore, omega-3 fatty acids help to rebalance your cholesterol levels and reduce inflammation in the cardiovascular system, thereby helping to prevent atherosclerosis, heart attacks, and strokes!
Detoxify the Body: The nutrient-rich makeup of oregano, including high content of manganese, calcium, iron, vitamin K, fiber, and a wide range of other organic compounds, makes this helpful herb an ideal candidate for detoxifying the body. Research has shown that oregano can help liver function and speed up the process of toxin elimination.
Bone Health: As we get older, our bones begin to weaken and break down, so ensuring that we get enough vitamins and minerals in our early years is important. Calcium, iron, and manganese are some of the most crucial minerals for bone health, and oregano has significant amounts of all of them, making it great for people who want to protect themselves against osteoporosis later in life.
Energy Levels: By improving the functionality of the metabolism, thanks to B-vitamins and its unique organic composition, the body is rejuvenated and energized. The increase in circulation, due to the presence of iron and increased levels of hemoglobin, helps to fully oxygenate the cells and muscles of the body, thereby increasing energy and strength.
A Final Word of Warning: Although some people who are allergic to mint and other herbaceous perennial plants may experience some discomfort while eating or touching oregano, it is not commonly known as an allergenic substance and the symptoms of an allergic reaction to oregano are very mild. Toss some oregano into your next meal and see just how beneficial it can really be!
Suggested Varieties
(Brassica oleracea 'Calabrese Green Sprouting')
Calabrese Green Sprouting Broccoli is an Italian heirloom, hardy, cool weather annual vegetable that is native to the Mediterranean region, but brought to America by the D'Arrigo brothers between 1904-11, and first offered to the public in 1923. At maturity, this plant reaches the height of 30-36” and features erect stalks, 6” bluish-green centered floret, multiple side shoots, and yellow flowers. This plant can be grown in a container, is rabbit safe, tolerates light frost, and is edible.
(Brassica oleracea 'Purple Sprouting')
Purple Sprouting Broccoli is an Italian heirloom, hardy, cool weather annual vegetable that is native to the Mediterranean region, but was introduced to the United States not long after they were listed in the French Vilmorin-Andrieux seed catalog in 1885. At maturity, this plant reaches the height of 18-36” and features thin stem, side shoots of loose clusters of 3-5” purple florets, and bladed leaves. This plant can be grown in a container, is rabbit safe, tolerates frost, and is edible.
(Brassica oleracea 'Waltham 29')
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Waltham 29 Broccoli is a heirloom, hardy, cool weather annual vegetable that is native to Waltham, MA., where it was developed by the University of Massachusetts in 1950. At maturity, this plant reaches the height of 18-24” and features a 4-6” blue-green central broccoli head, and side shoots that bare 1” florets. This plant can be grown in a container, is rabbit safe, tolerates frost, and is edible.
(Brassica oleracea 'Early Jersey Wakefield')
Early Jersey Wakefield Cabbage is a heirloom, hardy, cool weather annual vegetable that is native to England, but was first grown in the United States in 1840 by Francis Brill of Jersey City. At maturity, this plant reaches the height of 12-18” and features dark-green, conical heads averaging 5" in diameter and weighing 2 to 3 lbs. This plant can be grown in a container, attracts earwigs, is rabbits safe (in moderation), can be used as a trap crop for aphids, tolerates frost, and is edible.
(Brassica oleracea 'Late Flat Dutch')
Late Flat Dutch Cabbage is a heirloom, hardy, cool weather annual vegetable that is native to the Netherlands, but was first offered in the United States by D. M. Ferry & Company in 1924. At maturity, this plant reaches the height of 18-24” and features blue-green flat 12” heads that weigh up to 15 pounds. This plant can be grown in a container, attracts earwigs, is rabbit safe, can be used as a trap crop for aphids, tolerates frost, and is edible.
(Brassica oleracea 'Red Acre')
Red Acre Cabbage is a heirloom, hardy, cool weather annual vegetable that is native to southern Europe, but is commonly grown in the northern United States. At maturity, this plant reaches the height of 12-18” and features reddish purple round heads that weight up to 3 pounds. This plant can be grown in a container, attracts earwigs, is rabbit safe, can be used as a trap crop for aphids, tolerates frost, and is edible.
(Brassica rapa 'Pak Choi')
Pak Choi Chinese Cabbage is a heirloom, hardy, cool weather annual vegetable that is native to southern China, but has been commercially grown in the United States for more than 100 years. At maturity, this plant reaches the height of 6-18” and features a head of smooth, dark green leaves with thick white stalks. This plant can be grown in a container, attracts earwigs, is rabbit safe, can be used as a trap crop for aphids, tolerates frost, and is edible.
(Brassica oleracea 'Snowball Y Improved')
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Snowball Y Improved Cauliflower is a heirloom, semi hardy, cool weather annual vegetable that is native to California, where it was developed and introduced by Ferry-Morse Seed Company in Mountain View in 1947. At maturity, this plant reaches the height of 12-18” and features 7” white heads with smooth curds. This plant can be grown in a container, attracts earwigs, is rabbit safe, tolerates light frost, and make alcohol, and is both edible and medicinal.
(Cucumis sativus 'Lemon')
Lemon Cucumber is a heirloom, tender, warm weather annual vegetable that is native to India, but was introduced into the United States by Samuel Wilson in 1894. At maturity, this plant reaches the height of 3-4' and features 2-4” round, yellow cucumbers that bare black spines. This plant can be grown in a container, attracts bees, butterflies, earwigs, pollinating moths, and predatory wasps, deters cucumber beetles, repels roaches, is rabbit safe, is used to make cosmetic cleansers, and is both edible and medicinal!
(Cucumis sativus 'Sumter')
Sumter Cucumber is a heirloom, tender, warm weather annual vegetable that is native to South Carolina, where it was developed by W.C. Barnes of the Clemson Agricultural Experiment. Station and was first distributed by Asgrow Seed Company in 1973. At maturity, this plant reaches the height of 12-48” and features blocky, slightly tapered, medium-green 5" cucumbers with white spines. This plant can be grown in a container, attracts bees, butterflies, earwigs, pollinating moths, and predatory wasps, beetles, repels roaches, is rabbit safe, is used to make cosmetic cleansers, and is both edible and medicinal!
(Cucumis sativus 'Marketmore 76')
Marketmore 76' Cucumber is a heirloom, tender, warm weather annual vegetable that is native to New York, where it was developed in Ithaca by Henry Munger at Cornell University in 1976. At maturity, this plant reaches the height of 4-6' and features 8-9” straight, dark green, slightly tapered, white spined cucumbers. This plant can be grown in a container, attracts bees, butterflies, earwigs, pollinating moths, and predatory wasps, deters cucumber beetles, repels roaches, is rabbit safe, is used to make cosmetic cleansers, and is both edible and medicinal!
(Melothria scabra 'Mexican Sour Gherkin')
Mexican Sour Gherkin Cucumber is a heirloom, tender, warm weather annual vegetable that is native to Mexico, Central America, and northern South America. But is commonly grown in gardens throughout the United States. At maturity, this plant reaches the height of 12-48” and features 1" green and white watermelon shaped melons. This plant can be grown in a container, attracts bees, earwigs, pollinating moths, and predatory wasps, is rabbit safe, and is edible!
(Cucumis sativus 'National Pickling')
National Pickling Cucumber is a heirloom, tender, warm weather annual vegetable that is native to Michigan, where it was developed by George Starr of the Michigan Agricultural Experiment Station in 1924. At maturity, this plant reaches the height of 36-48” and features 6” medium green, tender skin cucumbers. This plant can be grown in a container, attracts bees, butterflies, earwigs, pollinating moths, and predatory wasps, beetles, repels roaches, is rabbit safe, is used to make cosmetic cleansers, and is both edible and medicinal!
(Cucumis sativus 'Straight Eight')
Straight Eight Cucumber is a heirloom, tender, warm weather annual vegetable that is native to Massachusetts, where it was developed by Ferry-Morse Seed Company in 1935. At maturity, this plant reaches the height of 6-12' and features 8” straight, dark green cucumbers with white spines. This plant can be grown in a container, attracts bees, butterflies, earwigs, pollinating moths, and predatory wasps, beetles, repels roaches, is rabbit safe, is used to make cosmetic cleansers, and is both edible and medicinal!
(Cucumis sativus 'Wisconsin SMR 58')
Wisconsin SMR 58' Cucumber is a heirloom, tender, warm weather annual vegetable that is native to Wisconsin, where it was developed by the University of Wisconsin in 1959. At maturity, this plant reaches the height of 36-72” and features 4-6" dark green, black-spined cucumbers. This plant can be grown in a container, attracts bees, butterflies, earwigs, pollinating moths, and predatory wasps, beetles, repels roaches, is rabbit safe, is used to make cosmetic cleansers, and is both edible and medicinal!