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Sage Garden Blog

Love the Garlic!

Garlic: the goddess of the edible garden. Few ingredients are as ubiquitous, raunchy, and intense, yet all the while delicate, complex and heroic as garlic. The cloves of Allium sativum are indeed a sophisticated bit of phytochemistry, loaded with heaps of pleasure inducing flavonoids that not only taste amazing but also confer a wide array of health benefits (e.g. blood pressure reduction, cholesterol reduction). The pungent oils are also associated with everything from discouraging vampires (may or may not actually work...) to serving as a versatile garden-mate in companion planting strategies. Garlic is an herb to love, and definitely one to grow.


Hardneck Garlic at Sage Garden In northern regions, the go-to garlic for home planting is called “hardneck”, a reference to the sturdy structure known as a scape that shoots up through the middle of the plant each summer, ending in a flower-like structure full of baby bulbs (bulbils). Hardneck garlic is from the sub species Allium sativum var. ophioscorodon and it is worth noting that chefs and garlic connoisseurs the world over consider hardnecks to be the most flavourful garlics on the planet. Hardneck garlic thrives where winters are cold and cannot easily be grown where there is too much warmth. We live in an ideal climate to grow the best garlic in the world.

By contrast, think of the last grocery store garlic bulb you purchased. It was very likely a “softneck” garlic, which hails from warmer climates and lacks particular charm. Softneck garlic has good storage qualities, and tends to have easy peel, plump bulbs which have made softneck the market champion in Canada since the 1990’s (actually mostly due to cheap production outside of Canada; garlic farms in Canada dropped from 4,500 acres to less than 300 acres between 2000 and 2002). But there is no comparing the flavour of softneck to hardneck garlics - and great garlic is making a spirited come back. To find the very best garlic look for the trifecta of hardneck, organic and heirloom.


Seed Garlic at Sage GardenGarlic is grown from bulbs, commonly referred to as “seed garlic”, which is a little confusing since garlic almost never produces true seeds. Just as with potatoes, there are many benefits to planting garlic from professionally grown stock. Seed garlic is produced by speciality growers who are looking for the top graded crop, setting aside inferior bulbs for use as table garlic. Seed garlic growers select disease free, undamaged heads that are medium to large in size (too small and they yield weak bulbs the next season; too large and they are also inferior). In addition, seed garlic growers rejuvenate their stock on a regular basis, to ensure the unique characteristics of each strain remain true to type. This is done by growing new stock up from the tiny bulbils (mini garlic bulbs) that form at the end of garlic scapes, a process that takes up to five years but is also the only way to ensure varietal integrity over time. Seed garlic growers work hard to produce quality propagation material and this is reflected in the price when compared to table garlic, but the benefits of ideally sized, disease-free and true-to-name bulbs are well worth the cost. Once a hardneck crop is established, home gardeners can also use home-harvested bulbils for replanting.

Although garlic will sprout if planted in spring, the only way to get a fully mature bulb in our region is by planting in fall. Timing is actually very important, since prairie weather has a bad habit of going from gorgeous to ghastly in a hurry. The first task of a freshly planted garlic bulb is to set out a strong root system, and avoid shooting above ground at all cost (fall shoots are a big vulnerability that generally leads to winter kill). Start planting around the first week of October - but no earlier. Cool, frosty nights send a clear message to keep shoots tucked inside the bulb, while the accumulated warmth of summer lingers for months in the soil, allowing roots to grow even as snow arrives. A well developed root system is what sets the stage for garlic to poke up early in spring, established and ready to grow into a prized harvest.


Garlic in a raised bed at Sage GardenGarlic thrives in well drained, loamy soil with lots of compost mixed in. An excellent strategy is to amend garlic beds with compost and leaf litter each fall, ahead of planting. The bulbs can be planted into the ground or into low raised beds (minimum 4’ x 4’ x 11” high), but may not survive winter when planted into other types of containers. Garlic requires a sunny location and ideally beds should be maintained weed free and have access to early summer irrigation. Although garlic is unhappy in a weedy bed, it can grow very successfully tucked in among smaller companion plants such as strawberries (a great space saving strategy). The most important consideration when choosing a site for garlic is to avoid soggy ground or areas that do not get good air movement. Growing garlic in the home garden is easy, except where the bulbs are subject to poor soil aeration.

Planting is simple: gently push individual cloves approximately 4” onto the soil, with the pointy side facing up. With hardneck garlic the pointy side must face upwards, or else plants will grow at an angle which causes trouble for the crop in spring. The papery wrapper should be left on the cloves as you plant. Space bulbs 8” apart if you have lots of room, or a little tighter if space is limited; tighter spacing yields many smaller cloves while larger spacing encourages the largest cloves. A sprinkle of bonemeal is recommended at time of planting, as phosphorous is the major nutrient associated with root development.

Mulching of the garlic bed is wise, as this alleviates the likelihood of garlic sending up above ground shoots in fall. A thick layer of leaf mulch is perfect, up to 4”. Not only will this provide insulation, but the leaf material will ultimately break down and become a nutrient and beneficial micro-organism resource for the crop.

Come spring, the to-do list includes weeding and also ensuring plants are watered. The beds require even moisture in the spring and early summer (through to mid July) so pay attention to watering if spring is trending towards dry. The planting site can be top dressed with quality compost in May, after which no additional fertilizer will be required. Pretty easy!

The next exciting phase in the garlic growing process comes as the scapes snake their way up into the July garden. There is full on disagreement about whether or not removing the scapes influences the size of the garlic bulbs come harvest time, but one thing is for sure: garlic scapes are a tasty bit of foreplay ahead of the main attraction. If you decide to snip off the scapes they can be prepared in a myriad of delicious ways, all of which are profoundly garlicy. The easiest is to simply steam them and add a little butter and lemon juice. Another is to sauteé them, alone or with other summer veggies. Garlic scape pesto is a wonderfully straightforward path to accolades from your dinner guests. If you decide to leave the scapes on, the advantage is the formation of the bulbils which can be saved for the long, but reliable, goal of growing lots more garlic. Perhaps the best way to resolve this scape or no scape issue is to experiment, and leave some on while clipping others off.

Garlic ready to harvest 2016

 

 

 

 

 

 

 

 

As July turns into early August garlic will develop broad leaves, with each set corresponding to a layer of wrapper on the developing bulb. With in a couple of weeks the first set of leaves will start to yellow, which is the big clue that harvest time has arrived. Although nothing terribly bad happens if timing is a little off, garlic cloves will start to break apart from the tight bulb if left in the soil for an extended period, significantly diminishing the storage life. Each season has its own course, but the organized gardener may do well to jot down a reminder to check on the garlic starting the second week of August (in 2015 garlic was about two weeks early in Manitoba, so keep in mind the flexible nature of rules-of-thumb, and get to know the signs of mature garlic).

Perhaps the most delicate part of growing garlic comes at harvest time. It does not take much to damage the bulbs, and each little nick or bruise is an opportunity for the crop to be spoiled. The perfect tool for home garlic harvest is the hands. Use your fingers to gently feel your way around the bulb and lift from the base up. Avoid pulling plants up by the leaves or scape. Once out of the ground the the bulbs can have any loose soil carefully tapped off (but no deep cleaning just yet), and then be set aside for curing. Curing is the process of slowly air drying the bulbs, with leaves and stock left in place. The ideal location is a screened porch or gazebo, where lots of air passes through and there is shelter from direct sun and moisture. Hardneck garlic is very difficult to braid, so bunches are loosely gathered and held together by string. A handy technique is to hang the garlic off of a wooden clothes drying rack, or off the rafters in a suitable building. Some growers let garlic cure in the garden, but this only works if their is no chance of rain for at least a two week period. So, go for the sheltered location!

Once curing is complete the leaves, stalk and roots can be trimmed off, leaving about 1” on top and 1/2” on the roots. The storage life of well grown and harvested hardneck garlic ranges from 4 - 9 months depending in the variety.

Garlic is too easy to grow to miss out on this gorgeous homegrown taste, and it is one of the BIG opportunities for the fall gardener. Happy planting.

GETTING TO KNOW THE HARDNECKS

Hardneck garlic is not one type of plant, but rather a diverse group of cultivars which can be organized into subcategories. Although there are many clues as to which garlic falls into what category, researchers have applied modern genetic testing to accurately classify hardneck garlic strains, helping growers provide quality information on the lineage and characteristics associated with the bulbs (many of the hardneck varieties are heirlooms that were brought to Canada by immigrants). Just as with fine wines, the gourmet garlic renaissance is all about savouring complexity, depth and variety.

Here is an overview of the four most significant categories of hardneck garlics, and the qualities generally associated with each.

Marbled Purple Stripe
Medium to hot flavour, with excellent “classic garlic” pungency
Large, highly consistent clove size
6 - 8 cloves per bulb
Very reliable in the garden
Examples include: Russian Red

Porcelain
Strikingly beautiful, with pure white wrapper
Fewer cloves but very large
Easy to peel and easy to separate from the head
Store 6 - 7 months
Examples include: Majestic, Music and Georgian Fire

Purple Stripe
Gorgeous purple streaked wrappers
5 - 6 medium sized cloves
Excellent for roasting
Distinctive looking plants, with widely splayed foliage and tightly curling scapes
Examples include: Chesnok Red, Siberian and Persian Star

Rocambole
Hottest, most complex in flavour, and later to mature
Thin skins and large cloves that chef’s love
Shorter storage time but most complex flavour profiles
Examples include: German Red & Ukranian Garlic

© Dave Hanson, Sage Garden Greenhouses

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