Writing about the possible benefits of invasive plants, I had the fear that for most broad-leafed weeds it would be easy to find medicinal and other value, but that for grasses, I might have to pass. Interestingly, grasses have some good sides, too – even a such-maligned, horrible weed as crab grass.
Crab grass (also called “finger grass” because of its spiky inflorescences, or “fonio”, for African plants) are actually several Digitaria species – “Digitaria” again meaning “finger-like”.
Why is crab grass the proverbial weed? It turns out that “crabs” can’t take hold in a well-watered, well-fertilized lawn. But let that lawn be neglected, and develop some bald spots – that’s where the annual crab grass will move in, taking advantage.
A lawn usually consists of perennial grasses that stay green long into fall and often into winter. Crab grass would be fine to be intermingled, if it would not die by the end of summer and will leave a bald spot – especially if you pull it and do not immediately reseed with normal lawn seed. In that bald spot, its many, many seeds can take hold again. Crab grass’ trick is its long germination period: It might die early, but it can germinate basically all year, as long as there is no snow on the ground. Usually, a bald crab grass spot extends thus from season to season, always looking awful in the fall, showing your neighbors that you are a less-than-perfect gardener.
Remedy? Keep your grass healthy, well-fed, well-watered, well-limed, and reseed in fall and spring, so that crab grass seedlings have no chance.
So, what for is this invasive grass good? For cows and other ungulates like deer crab grass is as nutritious as any other grass; even more so, because of its high protein contents. Sub-Saharan Africa people eat the milled crab grass seeds in porridge and bread. The problem with crab grass is that it germinates and ripens its seed willfully throughout the year. Therefore it must be hand-harvested, defying large-scale cultivation. However, early settlers in America purposefully would till a spot in the spring so that crab grass could grow there, for the grazing of the animals later in the year.
Crab grass (like Bermuda grass) is a warm-weather grass. As such, it accumulates less sugar than a perennial grass - it does not intend to stay around for the winter, needing staying power through the winter. That makes crab grass better digestible especially to horses who might be quite sensitive to a high sugar and starch content – which bloats them, causing colic. So, as hay, crab grass is quite desirable.
Crab grass contains non-trivial amounts of magnesium, phosphorus and calcium – important for bone health, and some vitamin A, folate, and retinol; they might account for its use in eye health: Medicinally, crabgrass infusion is said to be helping against cataracts and feebleness. I probably won’t use it exactly for that purpose. But just knowing that crab grass is not poisonous will land it in my garden teas from now on. Read More
Blog: On Health. On Writing. On Life. On Everything.
Berry Time
August 19, 2011
The importance of berries for health cannot be overstated. If you can pick berries where you live, do so!
Here in down-east Maine, raspberries are gone, but blackberries are just starting to ripe in the sun after several days of rain. Every late afternoon, we are going for a walk along the road and pick and eat, pick and eat. Nothing better on Earth!
And most important: Blueberries are upon us! My husband likes the big, cultivated ones; I favor the little ones from the wild. Does not matter - all are good. In Europe, we had another kind of blueberry, namely bilberry. It differs from the varieties here that they are blue through and through - meaning that all the valuable anti-oxidants are even higher. Besides anti-oxidants, they are loaded with vitamins, cholesterol-lowering fiber, bone-building manganese, and so much more. Their anti-inflammatory potential are legendary - they fight cancer and diabetes, arthritis and infections. Eat them now while they are plenty and cheap.
Here my favorite recipe - as usual with me, not much of a recipe, but just throwing the goodness in a bowl in abundance. Add a small teaspoon full of coconut milk. The fat helps absorb fat-soluble vitamins (like vitamin A) which would otherwise just pass by, unused. We have this for a breakfast.
And then again for desert after dinner. Late in the day, a splash of rum over the blueberries and the coconut milk makes it even better (not if you are an alcoholic!!). Read More
More About Vitamins
July 7, 2011
Glad that we are getting an interesting discussion going here … if only I didn’t have a day job – or several ...
We can agree on several things, namely
1. that food is not as good anymore than it was. We certainly have depleted soils in some agricultural areas. BUT the main problem with food today is not that we can’t get good food (we can, if we grow our own, and if we buy mostly organic); the problem is that, as a nation, we usually choose the wrong food. Hence the obesity epidemic, and heart disease, cancer, and so on. One could actually make a point that we can get much better food today than fifty years ago, or even twenty years ago.
Well, I wanted to agree with my ardent critic – but then thought the better of it. Let’s see the next point:
2. that vitamins are no substitute for food: totally agreed.
3. that we can get “better brands” of vitamins, and that they will be the real thing. Here I disagree. I wrote yesterday that the sudden overload in vitamins is detrimental for the body. And there have been several studies in the last few years that seem to corroborate this. In those studies (The Nurses’ Study is a famous example), they first look what people eat. They find that those who have the highest intake say, of vitamin A, judged by food diaries, have the least cancer. So far so good. In a follow-up study they give vitamin A (or no vitamin A) to people. And then the outcome is: More cancer in the vitamin arm than in the arm where people eat normal food. Now, such studies have been done for vitamin A, beta-carotene, vitamin E. It seems to prove that vitamins are not the same in food as in the bottle. Notwithstanding that they are chemically the same. The difference lies in the delivery system: To digest a vitamin, to use it in your metabolism, you need many more chemicals that are not present in the vitamin bottle, but come in whole foods. As my friend Annemarie Colbin once said: If you pop a vitamin A pill in the morning, your body is searching for the rest of the carrot the whole day ….
Honey? I have never recommended honey much – you are right that it is mostly sugar, and fructose at that. Therefore one should use it only sparingly. Apart from that most of our honeys have been heated and made worthless.
And Linus Pauling? Great scientist. But I can’t follow him into his vitamin fixation. Some people are convinced that vitamins will save their lives. Some are not – it probably is not useful to discuss it forever. Why some arguments seem true to us, and others not, is highly individual. For me, one man who made it to 93 is no proof that he did everything right regarding nutrition. Without his mega-doses of vitamin C, perhaps he would have made it to 107??
Nothing will get me away from good, whole, fresh foods! Read More
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