When & How to Harvest Rosemary

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Plus, tips for storing & drying this fragrant herb
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Rosemary is a robust herb that is easy to grow and care for at home . The fragrant leaves of the rosemary bush taste delicious in all kinds of recipes and add a wonderful scent to soaps and other home goods. To harvest your rosemary, simply snip off sprigs in the spring, summer, and fall. In this article, we’ll go over the best time to harvest rosemary, how to cut it, and how to refrigerate, freeze, and dry this herb!

The Best Way to Harvest Rosemary

Harvest rosemary in the spring and summer for the best flavor, aroma, and oil content. Look for tender (not woody) branches that are at least 8 in (20 cm) long. Then, use clean shears or scissors to snip off 2-3 in (5-7.6 cm) sprigs of rosemary from the stems.

Section 1 of 5:

When to Harvest Rosemary

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  1. While you can harvest rosemary almost year-round, it grows most actively during the spring and summer. So, this is the best time to harvest it as the sprigs you cut off will grow back more rapidly. Simply trim some of the plant off daily or weekly to help encourage its growth. [1]
    • If you are planning on drying the rosemary , harvest the herbs once buds appear but before the flowers open. This is when the leaves contain the most oil and flavor. [2]
  2. The best time to harvest rosemary is mid-morning, or once all of the nighttime dew evaporates. This leaves you with dry herbs and prevents you from being outside during the heat of the day. [3]
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  3. To keep your rosemary healthy during the winter, stop cutting off fresh sprigs around 1 month before your area’s first projected frost date. Harvesting rosemary too close to freezing temperatures can cause new growth to die back. [4]
    • Search for your area’s projected first freeze date online, or check out this map of average freeze dates across the US .
    • If your rosemary is in a pot, bring it inside during the winter to reduce the risk of frost.
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Section 2 of 5:

Harvesting Rosemary

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  1. Look for long sprigs of rosemary that are thin and springy rather than woody. [5] Taking cuttings from tender branches encourages more growth while new branches can’t regrow from thick, woody stems. [6]
    • The tender sprigs are also usually more flavorful than thicker, woodier stems.
    • Grow several plants at once to ensure you always have long branches to harvest. The number of plants you’ll need varies on their size, but 2-3 should be fine for most people.
  2. Only snip off 2 to 3 inches (5-7.6 cm) from the stem so some green leaves are left on each branch; this helps encourage branching and regrowth. Just make sure you use clean and sharp scissors or pruning shears to make your cuttings . [7]
    • Disinfect your scissors or shears with rubbing alcohol before harvesting rosemary. This helps protect your plant from bacteria and diseases. [8]
    • Put the clipped rosemary sprigs in a basket or bowl.
    • If you just want to use a small amount of fresh rosemary at a time, simply pick off a few leaves from the top of a sprig. [9]
    • Don’t cut more rosemary than you need at once.
  3. Leave at least ¾ of the plant intact to ensure it continues to thrive and produce new sprigs. Just let the rosemary plant grow back before you harvest more of it. [10]
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Section 3 of 5:

Storing Fresh Rosemary

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  1. Rinse the rosemary sprigs with water and let them air dry on a clean towel or paper towel. Then, wrap the sprigs in a damp paper towel. Seal the rosemary in a plastic storage bag or container and place it in your fridge. [12]
    • As another option , trim the ends of the sprigs and set them in a jar of water. Just ensure no leaves are resting in the water. Then, set the jar in your fridge. [13]
    • Storing rosemary in the fridge helps retain more of the flavor than dried rosemary. However, using fresh-cut rosemary provides the most flavor.
  2. Wash and dry the rosemary sprigs. Then, strip off the leaves. Place the leaves in an ice cube tray and fill each compartment with water or olive oil. Simply set the tray in your freezer and use the cubes in sauces or soups to add a fresh rosemary taste to your recipes. [14]
    • The amount of leaves you freeze per cube is up to you. Check how much rosemary a common recipe you might make requires, and freeze that amount in each cube.
    • Once the rosemary is frozen, store the cubes in an airtight container or plastic freezer bag. Make sure to write the date on the bag so you remember when you froze the rosemary.
    • Choose water or olive oil depending on what types of recipes you plan to use the ice cubes in. If you don’t know, do some of each.
    • As another option , lay the washed and dried sprigs of rosemary on a baking sheet. Then, set it in the freezer. Once the sprigs are frozen, transfer them into an airtight container or plastic freezer bag.
  3. Wash and air dry your freshly harvested rosemary sprigs. Then, mix 1 tbsp (11 g) of citric acid with 2 cups (473 ml) of water and soak the sprigs in the solution for 24 hours. Drain the solution. To make the oil , combine the rosemary and olive oil in a saucepan. Then, heat it over low heat for 5 minutes. [15]
    • Strain out the rosemary and allow the oil to cool before pouring it into a clean jar or bottle. Then, store the oil in your fridge for about 1 week.
    • Soaking the rosemary in citric acid prevents bacteria from growing in the oil which can cause food poisoning or botulism.
    • Use the oil in recipes or as a delicious dipping sauce for bread.
    • Add other ingredients to the oil, such as fresh garlic, basil, peppercorns, or chili peppers. Just make sure to acidify the garlic and other herbs to prevent bacteria from growing.
    • As another option , add rosemary sprigs to rice wine vinegar. [16] Or, mix rosemary leaves into butter. [17]
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Section 4 of 5:

Drying Rosemary

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  1. Tie together evenly sized sprigs of rosemary. Then, hang them upside down to dry in a dark, well-ventilated, and dry area. Take down the rosemary when it is completely dry, which is usually after about 10 days, and strip off the leaves to store them. [18]
    • Store the dried rosemary leaves in airtight containers or jars in your cupboards or pantry.
    • Use twine or rubber bands to hold the bundles of rosemary together.
    • Use the dried rosemary within 1 year for the best flavor.
Section 5 of 5:

Pruning Rosemary

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  1. Gardening specialist Steve Masley says, “Anytime you see any dead material” on a rosemary plant, “you should cut it out .” This includes any branches that are “dried up or dead” or “didn’t produce” leaves and flowers. [19]
    • Use clean and sharp pruning shears or scissors to cut off the branches.
  2. Each year in the spring, use clean pruning shears or scissors to cut off 2 to 3 inches (5-7.6 in) from long stems around the plant. This helps stimulate more branching growth and prevents the stems from becoming woody or leggy. [20]
    • Do not prune more than ¼ of the plant at a time to ensure it keeps growing healthy and strong.
    • Shape your plant as you prune to get it down to a size you like.
    • Use the rosemary cuttings in your cooking or to propagate new plants.
    • Note : Do not prune below the thick, woody branches. Shoots don’t grow from the woody stems, so this can inhibit your plant's growth.
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  • Question
    If a plant is growing in your garden why bother drying it?
    Community Answer
    You don't need to dry it, but you can if you'd like to preserve it for later use.
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  • Question
    How tall can rosemary grow?
    Community Answer
    Rosemary is basically a bush, so it won't grow very tall. Depending on the climate and the soil, rosemary can grow to about four-feet in height if it isn't trimmed.
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  • Question
    Are the purple/white flowers on rosemary edible?
    Gavin Donnelly
    Community Answer
    Hello, yes the flowers of the rosemary plant are edible! They are best eaten fresh, and have a mild flavor, you could use them in a salad or as garnishes.
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      Warnings

      • Follow safety guidelines if you're making a rosemary oil infusion. If you don't properly make and refrigerate herb-infused oils, there may be a risk of botulism. [22]
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      References

      1. ↑ https://extension.illinois.edu/herbs/rosemary
      2. ↑ https://content.ces.ncsu.edu/harvesting-and-preserving-herbs-for-the-home-gardener
      3. ↑ https://content.ces.ncsu.edu/harvesting-and-preserving-herbs-for-the-home-gardener
      4. ↑ https://content.ces.ncsu.edu/harvesting-and-preserving-herbs-for-the-home-gardener
      5. ↑ https://www.gardenmandy.com/how-to-harvest-rosemary/
      6. ↑ https://hort.extension.wisc.edu/articles/rosemary-rosemarinus-officinalis/
      7. ↑ https://extension.illinois.edu/herbs/rosemary
      8. ↑ https://yardandgarden.extension.iastate.edu/faq/how-do-i-sanitize-my-pruning-shears
      9. ↑ https://www.gardenersworld.com/how-to/grow-plants/how-to-grow-rosemary/
      1. ↑ https://hort.extension.wisc.edu/articles/rosemary-rosemarinus-officinalis/
      2. ↑ Ollie George Cigliano. Private Chef & Food Educator. Expert Interview. 30 August 2021.
      3. ↑ https://www.ndsu.edu/agriculture/extension/publications/field-fork-rosemary
      4. ↑ ​​ https://www.allrecipes.com/how-to-store-fresh-rosemary-7856532
      5. ↑ https://content.ces.ncsu.edu/harvesting-and-preserving-herbs-for-the-home-gardener
      6. ↑ https://hgic.clemson.edu/factsheet/herb-infused-oils/
      7. ↑ https://www.foodnetwork.com/recipes/damaris-phillips/rosemary-infused-vinegar-2675715
      8. ↑ https://www.chefnotrequired.com/rosemary-butter/
      9. ↑ https://hort.extension.wisc.edu/articles/rosemary-rosemarinus-officinalis/
      10. ↑ Steve Masley. Home & Garden Specialist. Expert Interview. 19 June 2019.
      11. ↑ https://www.rhs.org.uk/herbs/rosemary/grow-your-own
      12. ↑ https://aggie-horticulture.tamu.edu/vegetable/wp-content/uploads/sites/10/2010/10/E-623-Easty-Gardening-Rosemary.pdf
      13. ↑ https://hgic.clemson.edu/factsheet/herb-infused-oils/

      About This Article

      Article Summary X

      To harvest rosemary, wait until spring or summer since that's when rosemary grows most actively. You can trim off some of the plant every day or once a week, which will encourage new sprigs to grow. Also, when you're harvesting rosemary, only take sprigs that are at least 8 inches long so you're not harvesting from newly growing branches. Once you've found a sprig you want to harvest, use shears or scissors to cut off the top 2 inches. Just make sure you're not harvesting more than a quarter of the plant at a time. To learn how to store fresh rosemary, scroll down!

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