It is
surprising to realize that about thirty years ago garlic was used mostly for
cooking and then only by those who were interested in European cooking or who
had a tradition of using it regularly. In fact it was about 30 years ago that we
realized that garlic would grow well in Canada and we were discovering how to
grow really good cloves. Nor was garlic generally recognized for its wonderful
medicinal qualities at that time. Now of course it is different; stores, not
only health stores but supermarkets too, are full of such a bewildering choice
of garlic pills and capsules that it is hard to know which to buy.
Garlic has been used for centuries. It has been mentioned in records dating back
to 2000 BC from China and even earlier from the Middle East. A daily ration of
garlic was given to the builders of the pyramids by the Pharaoh Cheops, and
according to other papyrus records, garlic had a variety of uses. These included
determining if a woman was fertile and putting a garlic clove in a snake's hole
to prevent it from emerging.
Garlic bulbs contain an odorless substance containing amino acid derivatives
called allicin; when a garlic clove is crushed this is converted to allicin. It
is this substance which is a powerful anti bacterial agent but also is the
origin of the strong odor, which many find offensive. It has been demonstrated
that garlic does protect us from infection, normalizes blood pressure and
decreases high blood pressure. Also that small quantities increase the action of
the peristaltic muscles thereby helping digestion. (Some people however do find
that garlic is indigestible – a problem that may be alleviated by taking it in
conjunction with parsley).
As I said earlier, there are many garlic products on the market. It is like a
maze for the consumer trying to find the way to the best garlic product through
a multitude of capsules and pills. Also it is generally agreed that processing
garlic tends to weaken the action of some of its qualities. In view of this,
there is no doubt that it is best to grow garlic in your own garden to
supplement any garlic pills you may take. As well as being unprocessed, home
grown garlic has a much better taste than garlic bought from a store.
It is not difficult to grow garlic and it does not need much attention. The
garlic bulb is divided into sections called cloves. Each of these will grow into
a full sized garlic bulb in a season. Once you have started a bed of garlic you
will always be able to keep some of the best cloves to plant the following year.
Try to buy your first garlic cloves from a herb farm or farmers' market. The
garlic sold in stores may have been treated so that it will not sprout and so
would be a disappointment in your garden.
Garlic needs a rich, well composted soil and plenty of moisture. In its
native habitats it grows in lush meadows. However it will produce in less than
perfect conditions as well. I manage, on my shallow soil and in a rather shady
west facing bed, to grow enough for us for the year. The cloves should be
planted in October or November about four centimetres deep and about 15
centimetres apart. If you were not able to plant the garlic in the fall it is a
good idea, in the winter, to pot some cloves up in individual pots and grow them
in a cool place in the house, transplanting them into the garden as soon as the
frost is out of the ground. This way the roots will have grown and the garlic
should mature by the end of summer.
Garlic shoots will appear in very early spring and the bed should be kept
weeded and mulched. Then in early summer the flowering stems will appear. It is
important to cut all these off so that they do not take the strength from the
plant that is needed to form the bulb. After this the garlic can be left to grow
until August. Then when the leaves start to wither, it is time to dig the corms
up. This is the time to make the braids of garlic and hang them to dry. Braiding
is hard and skillful work so my garlic is stored loose. However both the loose
and the braided garlic should be set to mature in a warm, dry place such as a
porch or shed for three or four weeks. If this drying is done thoroughly the
garlic will not sprout in storage.
In addition to its culinary and medicinal uses, garlic is also proving to be
useful in the garden as an insecticide. It is often grown in the company of
roses to prevent black spot. Valuable as garlic is – especially to our health –
there is no doubt that when it is absorbed into our bodies its odour is
unacceptable to many people. Herbs such as parsley and mint seem to help to
mitigate this problem and it is a good idea always to use fresh garlic with
parsley in cooked dishes and in salads.
Rachel McLeod founded Kiln Farm Herb Garden in Puslinch, Ontario in 1974.
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