Growing Garlic



Garlic is a great vegetable to grow, especially if you’re a beginning gardener, and now is the time to plant it.

Garlic is an allium, part of the onion family, along with leeks, chives, shallots, scallions, etc. They’ve been an important part of our diets for millennia, as stamina boosters during Egyptian times, performance enhancers for athletes in the first Olympic games, a way to ward off the plague during the Middle Ages, and in antibiotic poultices during the Civil War and World War I. Garlic’s antibiotic qualities were just not imaginary. According to Jo Robinson of Eating on the Wild Side, three cloves of garlic contain 21-39 grams of allicin, the main active antibiotic ingredient in garlic, which is the same amount of antibiotic activity as a single dose of penicillin! So garlic is more than just a flavor enhancerit is good and good for you. Garlic has also been shown to have chemopreventative (cancer preventative) properties, reported to have great effects preventing breast, brain, lunch, pancreatic, prostate, stomach, and kidney cancers (leeks edge out garlic in the case of kidney cancer), according to Michael Greger, MD (check out his great book, How Not to Die).

Interestingly enough, however, how you prepare and use your garlic, and any other allium, for that matter, has a great impact on how much allicin you get from it. Allicin is only produced when two substances in alliums come together: a protein, alliin, and an enzyme, alliinase. Alliin and alliinase don’t connect until the barriers between them are broken, which occurs when alliums are cut, smashed, pressed, or chewed. But it takes more than an instantaneous connection for allicin to form, so a good rule of thumb when using garlic, onions, and any member of the allium family, is to cut or press your alliums first and let them rest for 10 minutes before using. Cooking before alliin and alliinase fully connect wipes out the ability for allicin to form. So simply chop your onions and garlic first, prepare your other ingredients, and then start cooking. If you’re using your garlic or onions raw, no worries, allicin will form just fine, no need to waitit’s the early cooking process that can interrupt the allicin from forming.

There are two types of garlic, hardneck and softneck.

Hardneck Garlic

Hardneck garlic grows its cloves in a single row around a center stalk that gets hard as it grows, thus the name hardneck. It is most akin to wild garlic. They are best for growing in colder climates, produce less numbers of cloves per bulb, and are often milder (not as hot) than softneck types. This type of garlic has a shorter shelf life.

What’s great about hardneck garlic is that it produces edible scapes in the summer, a flowering body that should be removed to allow more energy to go into the growth of the bulb. Don’t throw the removed scapes out, they are a delicacy! You’ll often see garlic scapes at summertime farmers markets and farm stands when farmers have removed them to enhance the growth of the garlic bulbs. Pick these up when you see them! Or, simply grow some hardneck garlic for yourself and enjoy your own fresh scapes, pinching them off at the leaf tips just when they begin to curl. I’ll have more information at the end about making Garlic Scape Pesto!

Curled Garlic Scapes

While I love the scapes, I prefer to grow softneck garlic. Softneck garlic does not produce scapes. It grows with the cloves bunched together and is the type of garlic you typically find at grocery stores. Softneck has more cloves, about 16 per bulb, with large cloves on the outside and smaller ones as you move in toward the center. This type of garlic has the typical papery skin we are all familiar with and long, flexible stems that can be braided. Softneck garlic stores longer, which is why I prefer to grow this variety. There are two types of softneck garlic, silverskin and artichoke, the difference being that artichoke varieties are larger than silverskin.

Softneck Garlic with Rows of Cloves and Hardneck with Cloves in a Single Row Around a Solid Center

Planting Garlic

Either use garlic you have grown or buy seed garlic from a nursery or supplier to grow garlic in your garden. Garlic you buy at your grocery store may have been treated with growth inhibiting chemicals or have diseases that interfere with good growth. Seed garlic comes in familiar looking bulbs, like you would buy at the grocer.

Bag of Seed Garlic for Garden Planting

Prepare your soil so that it is loose and amended with compost for good drainage and nutrients. You can grow a spring/summer cover crop in your bed to help boost the nutrient content of your soil and then chop that into the soil before planting. Choose a location that is sunny, with about 6 hours of direct sunlight a day.

Break up your garlic bulbs into individual cloves the same day you are going to plant. Gently pull the cloves apart, leaving the papery skin intact as much as possible–don’t peel the cloves!

Breaking up Garlic Bulbs into Cloves for Planting

Select the biggest cloves for planting for bigger bulb growth. Use the small cloves for cooking!

Orientation of Garlic Clove for Planting

Dig a little hole and put your clove in with the flat side down, pointed end headed up. It is important to position them this way so they grow straight. Have 2-inches of soil above the top of the clove.

Planting Clove, Depth 2-inches Above Top of Clove

Apparently, I missed a few cloves when harvesting the bulbs earlier this fall! I do recall having sliced a few with my hand spade when digging them up. There were bunches of garlic sprouts popping up when I was cleaning up my beds, so I dug them, divided the cloves, and replanted them in the new location.

Garlic Sprouts Showing Spacing of Clove Planting

I plant my cloves 6-inches apart on all sides. You’ll see varying guidelines on this, but my bulbs grow beautifully with this spacing and I get a lot of garlic, nice big bulbs, out of my raised bed with this spacing. I’ve never had issues with small bulbs this way.

After sowing the cloves, I cover the bed with a mulch of fallen leaves to help keep weeds down and to keep nutrients from leeching away from the soil during our winter rains. It’s a great way to use autumn leaves. This can be removed in the spring to help the soil warm up.

Mulching Garlic Bed with Autumn Leaves. Pretty and Useful!

Pull weeds as they appear in your garlic bedgarlic hate competition and won’t grow as large if there are other things pulling nutrients out of their bed. Don’t worry if your soil freezes during the winter, the cloves go dormant during the winter and start growing again when things warm back up. Water them during spring and early summer, about an inch per week, but stop watering when the leaves start turning yellow and falling over in late summer. You’ll harvest about two to four weeks after this, when the foliage is dry and yellow.

WSU Growing Garlic is a great guide for growing garlic. You can also contact the Garden Hotline for more specific questions you might have about growing garlic in the Pacific Northwest.

I hope you give it a tryit really is an easy thing to grow!

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5 from 1 vote

Garlic Scape Pesto

Yum! This is soooo good!
Course Appetizer

Ingredients

  • 10 garlic scapes
  • 1/4 cup pine nuts or other nut you like
  • 2 Tablespoons nutritional yeast
  • 1/4 teaspoon salt or more to taste
  • pepper to taste
  • 1/3 cup vegetable stock or olive oil

Instructions

  • I prefer to make my pestos with vegetable stock rather than oil. Cut the scapes into 1-2 inch pieces, including the stem and flower pod, and place in a food processor along with the nuts, nutritional yeast, salt and pepper. Start the processor, stop and scrape down sides as needed, until finely chopped. While running, start pouring in the vegetable stock in a slow stream until the pesto is your desired consistency. Adjust salt and pepper as desired.

Notes

Serve with crusty bread or mix with cooked pasta. Wonderful on sandwiches, on grilled vegetables, or as a sauce on pizza! Freezes beautifully. Put into ice cube trays and freeze. Store frozen cubes in containers and thaw when desired.

 

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