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Oregano: Planting, Growing, and Harvesting Oregano Plants | The Old Farmer's Almanac

Oregano

Photo Credit
Pixabay
Botanical Name
Origanum
Plant Type
Herb
Sun Exposure
Full Sun
Bloom Time
Summer
Flower Color
Pink
Purple
White
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Planting, Growing, and Harvesting Oregano Plants

The Editors
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Oregano is a perennial herb with rose-purple or white flowers and a taste reminiscent of thyme. Here’s how to grow oregano plants in your garden—plus, delicious recipes using oregano.

Oregano’s taste is zesty and strong and is commonly used in Italian dishes. It is a hardy plant and makes for a good ground cover.

Planting
  • Oregano loves the sun, so ensure that your placement has full, strong sun for strong flavor. Some folks plant later in the season for assured warm weather.
  • However, for a head start, plant the seeds/cuttings 6 to 10 weeks before the last spring frost. (See local frost dates.)
  • Oregano can easily be started from seeds, though you can also use cuttings from an established plant.
  • Plant the seeds/cuttings in well-drained soil anytime after the last spring frost. The soil should be around 70ºF.
  • For thin plants, plant 8 to 10 inches apart. The plants will grow 1 to 2 feet tall and spread about 18 inches.
  • Oregano makes a good companion plant for any vegetable in the garden.
Growing
  • Allow oregano plants to grow to about 4 inches tall and then pinch or trim lightly to encourage a denser and bushier plant.
  • Regular trimming will not only cause the plant to branch again, but also avoid legginess.
  • Oregano doesn’t need quite as much water as most herbs. As the amount of watering depends on many variables, just water when the soil feels dry to the touch. Remember that it’s better to water thoroughly and less often.
  • If you have a container, water until the water comes out of the drainage holes in the bottom of the container.
  • To ensure the best-quality plants, thin out plants that are 3 or 4 years old in the early spring. Oregano is self-seeding, so the plants will easily grow back.
  • You can divide the plants in late spring if you want to put one indoors.
Recommended Varieties
  • Greek oregano (Origanum vulgare var. hirtum) for cooking.
  • Common oregano for decoration (its lavender flowers look pretty in the garden and are also used in wreaths).
Harvesting
  • Harvest the leaves as you need them. The most flavor-filled leaves are found right before the flowers bloom.
  • You can freeze the leaves to use during the winter. Oregano leaves store well and are easily dried. Keep them in an airtight container once dried.
Wit and Wisdom
Pests/Diseases
Recipes
Shrimp in Tomato Sauce with Feta Cheese
Farmers' Market Grilled Veggie Platter
Slow-Cooker Tomato Sauce
Tomato Herb Bread
Turkey-Stuffed Eggplant
Herbed Popovers
Cooking Notes

Oregano is an extremely useful herb that appears in countless remedies and tastes a bit like thyme. It is great to have in the kitchen, especially when fresh from the garden! Learn about more flavorful kitchen herbs here.

Herbs
Oregano

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Comments

Frances Gale (not verified)

1 year 9 months ago

I planted Oregano spring of 2019. It was a wonderful healthy plant which gave me an abundance of oregano to dry, bag and freeze. I share it with my relatives, which makes all of us happy. It overwintered nicely because we had a mild winter. So this year, about the end of June, I decided to let half my plant bolt and go to seed. 1) It is so beautiful with the abundance of tiny white flowers, which keep coming and coming. More importantly, 2) the bees love it. I can tell you about 40 bees are on that oregano plant from the instant it gets warm enough for them until its time for them to "hole up" every single day. I never realized what a great pollinator plant Oregano was. I will be harvesting seeds and putting them in my wildflower/pollinator garden. BTW, I am zone 6 in Idaho.

Chris Wiemelt (not verified)

1 year 10 months ago

Recommendations for storing oregano. Do I was the leaves?

Elle (not verified)

2 years 3 months ago

My oregano lives in the waterand was doing okay. But for some reason I noticed that the new sprouted leaves are light green in color. Its winter and i place it beside my window.

Sandy (not verified)

2 years 11 months ago

I do not understand the difference between Greek Oregano and the decoration one. How do you tell the difference? Are there pictures of them? The one I have looks like the picture above. Thanks in advance.

Greek oregano is one of the most common types used in cooking. Its botanical name is: Origanum vulgare var. hirtum. There are lots of other oreganos within the same genus Origanum, as well as some that are in different genera and not true oreganos, such as Cuban oregano (Pectranthus amboinicus). Within the Origanum genus, there are several that are used just for ornamental value, and do not have as good or as intense a flavor; most are not used in cooking. For example, Origanum ‘Kent Beauty’, O. ‘Amethyst Falls’, O. ‘Rosenkuppel’, O. vulgare ‘Aureum’, or O. libanoticum. These are valued for their showier flowers/bracts, or colorful or curly leaves. Some types may have pink or purple flowers and purple, yellow, or bluish leaves. Origanum vulgare, the straight species of common oregano (also called wild marjoram), can be invasive and doesn’t have as much flavor; its flower is pink or purplish. It has several subspecies/varieties, one of which is Greek oregano. Greek oregano is a bit more compact, has a more intense flavor, and its flower is white; when the leaves are rubbed, they emit a strong scent. Greek oregano is not as attractive ornamentally as some species/varieties grown specifically for that purpose. Some oreganos will look very similar. Although sometimes plants are mislabeled (several types of oregano are sometimes sold as “Greek” oregano), it always helps to look at a label (if provided) to know which specific plant you are likely purchasing—especially check the botanical name, since common names sometimes are used for different plants. Hope this helps!