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The garden yard

Chapter 84: ASPARAGUS.
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About This Book

A practical handbook offering step-by-step guidance for intensive small-scale farming and backyard market gardening. It explains choosing and preparing land, improving soil fertility and tilth, seed selection and basic plant breeding, and meeting plant needs for light, water, and nutrients. Chapters cover rotation, weed, pest and disease control, re-soiling and humus management, drainage, and cellar or sheltered growing, plus layout, buildings, and time-saving work methods. Emphasizes learning by doing, prudent management, local marketing, and cooperation while warning against speculative promises and encouraging realistic, profitable cultivation on limited plots.

CHAPTER XXIV.
PERENNIAL CROPS.

The vegetables in this group have little in common except their cultural wants or requirements, but these are so different from the needs of annuals that it is convenient to group them together. Because they occupy their places more or less permanently, it is necessary to choose a spot that will not interfere with the regular plowing and tilling of the farm or garden. Perennials need tillage in the spring and fall and are fertilized by top dressings, at both seasons.

ASPARAGUS.

The chief of the perennials is asparagus, which requires a deep, rich, moist, cool soil, with a warm exposure. It originally grew in rotten sea-weed on the shores and is a gross feeder, so the soil cannot be too rich. Sub-soiling to the depth of two feet is good for asparagus. It used to be thought that a layer of salt at the roots made a good fertilizer, but salt is no longer used in that way. It is, however, used to keep down weeds in the asparagus bed, especially the German salt known as kainit. This kills out weeds, saves cultivation, and adds potash to the soil.

If the land you have is hard and coarse, you should prepare it by planting it with some crop that needs a great deal of tillage, such as potatoes, for two seasons before you plant asparagus. During this time you should apply all the manure the land will carry, because, as the bed will last for twenty years, in the Northern States, you will have no other opportunity to put the soil in proper condition. Don’t be afraid of making the soil too rich. Asparagus can take all you can give, and will repay your generosity.

As you make your asparagus plantation practically for a lifetime, you must exercise care and judgment in choosing the site. In a family garden a long row, say 75 to 100 feet, if you have the space, at the rear of the garden, is a good place. This not only puts it out of the way of other crops, but it also gives you a good background in summer and fall, for the herbage of asparagus is ornamental. Asparagus used to be planted in beds, but under new methods of farming, this plan has been abandoned. Rows are more satisfactory. When grown as a field crop this allows of horse-tool tillage and saves much labor.

Asparagus roots are wanderers and reach out for food in every direction, even more horizontally than perpendicularly, which is why it is unwise to have rows closer together than four feet. Seedsmen sell asparagus plants, but it is usually better to grow your own plants, although they take so long to mature. Seeds may be soaked in warm water for a day before planting and are then sown in drills and covered about an inch deep. The plants should be thinned to stand three or four inches apart in the row.

Give frequent tillage throughout the entire season, and in the spring following they will be ready to plant in their permanent place. Here they are set deep, in a furrow or trench, say six to ten inches, so that the young crown of the plant is covered two or three inches deep with loose earth or good fine compost. As the plants grow the trench is gradually filled. If filled at first, the young plants might not be strong enough to push their way up.

You will see from this that the asparagus plot must be deeply sub-soiled, for if you do not have the land properly prepared at the first, you will never have good results. Besides, unless the soil is rich in humus, asparagus cannot thrive at all, for it requires a moist soil at the roots all the season.

When you have planted your yearling seedlings you must give them another year before you do any cutting. A few stray shoots may be picked off, but it is advisable to wait until the plants are in their third year before cutting. To cut earlier may permanently injure your crop. It is also possible to injure it by continuing it too late each season, although every stalk should be removed even if it be too poor for use. The crop should be cut clean, and all cutting should be over before July 4th, in the middle Atlantic States. After that the tops do the growing and the more they flourish the better your asparagus will yield next year, for it is from the foliage which springs up that the roots and crown secure energy for the next season’s work.

The tops should be mowed late in the fall, and generally speaking it is better to burn them than to allow them to rot on the bed as some growers do, because when the asparagus berries are plentiful you are apt to have trouble next season with seedlings; and even when this is not so, it interferes with the fall tillage which is so necessary.

Just as the young plants were covered with earth and manure the first year and thoroughly tilled in the spring, so must spring and fall tillage be carried on every year. The manure put on the plants in the fall, serves not only as a winter protection, but if not too coarse, may be cultivated under in the spring and afford that much more fertilizer to feed the crop. If it is too coarse for that, rake it off, cultivate thoroughly and then cover again with litter or manure, to afford nourishment and to preserve the moisture of the soil as well as to protect the young shoots in case of late frosts.

The whole value of asparagus lies in its tenderness and succulence, and the large shoots are most apt to have these qualities. The plant cannot grow large shoots unless it has plenty of food. Only rich soil and good tillage can supply the food needed.

Usually asparagus is cut off three or four inches below the surface with a long sharp knife, but one noted asparagus grower objects to this practice for two reasons. First, it increases the temptation to cut too low so as to get the stalks of uniform length as the market requires, whether or not of uniform quality; and second, it tends to waste and to the injury of the plants. He would substitute for this practice, careful hand-picking or breaking. The gatherer takes two rows at a time and breaks off the shoots just beneath the ground at the lowest point where the shoot will break with a clean snap.

When set at the proper distance of three by four feet apart, it requires 3630 plants to the acre, and 1 pound of seed should furnish that many plants. But seedlings vary so much, that some growers recommend sowing from four to five pounds of seed to every acre, so that only the best need be kept. A good yield is about 400 dozen bunches to the acre. Asparagus is always sold in bunches, the stalks of uniform size and length, and tied near the tops and butts either with bark or string; though many growers are now using rubber bands as being better for the stalks and a saving of time for the gardener.

Asparagus is usually sold green in this country, although if artificially blanched it is just as tender. When asparagus is grown for blanching it should be planted deeper than ordinarily. It is hilled up with a furrow plow just as celery is hilled up, and blanches as it grows. Blanched asparagus is in higher favor in Europe than here.

Asparagus is a native of Europe and Asia, and has been cultivated for more than two thousand years. It belongs to the lily family and several of its very near relations are cultivated in greenhouses for their graceful foliage.

The asparagus beetle is the worst enemy and must be steadily fought. In young beds, apply fresh air-slaked lime as soon as the larvae appear. It should be put on while the plants are still damp with dew, and only the greatest thoroughness can accomplish anything. Destroy all volunteer shoots. As the beds are cut, leave some small trap-shoots upon which the beetles will gather; cut these twice a week and destroy. In hot weather brush the insects off and they will bake on the soil in the sun.

It is so risky to use poisons on asparagus that is to be eaten, that Paris green may be used only in very rare instances; then the mixture consists of one pound of the poison to fifty pounds of air-slaked lime. Two applications are made, about a week apart.

Some gardeners turn a hen with chickens, or a number of young chickens, into the asparagus field as soon as the crop is cut. This is one of the best ways of keeping down the beetles, and the scratching of the fowls cultivates the crop. This will lessen your own work and increase the value of your chickens to you.

Rust is the chief disease, and for this there is no sovereign remedy. Every effort should be made to secure only vigorous plants, and in very dry weather irrigation should be practiced, if possible. Early in the autumn, cut, carefully gather together and burn, all affected stalks, and all asparagus brush whether garden or wild. Read Massachusetts Bulletin 61; Iowa Bulletin 53; Farmer’s Bulletin 61, p. 30.

RHUBARB.

Of all the perennial garden plants rhubarb is the easiest to grow, and the most inexperienced may be sure of success. It is very hardy and the roots remain in the garden all winter, even in climates where the frost is heavy and the cold quite severe. But in spite of its hardiness and willingness to flourish under ordinary conditions, rhubarb responds quickly to good care and gives such enormously increased returns that it pays to attend to it.

Rhubarb likes a deep, rich soil, thoroughly cultivated and fertilized before the plants are set out. It is usually more satisfactory to propagate by roots than by seed, although some growers prefer to raise their plants from seed. Like asparagus, rhubarb will last twenty years, if given a good start and if the roots are occasionally separated. All this time it will yield large, tender, juicy stalks if the soil be in good condition, and if a little tillage is given to the plant in fall and spring.

Set out the plants in rows where the soil has been fertilized, is deep and in good tilth. The best strains of rhubarb will not produce good stalks if the land be hard or the subsoil high and hard. The rows should be four feet apart to allow of horse tillage. The plants may be from three to four feet apart in the row. During the growing season they require the same sort of surface tillage that you would give to corn or potatoes. If you are making the most of your rhubarb bed, you will give it quite a heavy coat of manure in the fall, to act as mulch to keep the soil from freezing too deep, and also to preserve its texture. During the storms of winter, the manure leaches away somewhat and fertilizes the roots, so that they are prepared to make an early growth in the spring.

The season for selling is short, as early in the summer the demand for rhubarb gives place to strawberries and other small fruits. It is the grower who has it early in the market who reaps profit from rhubarb.

By means of the New Rhubarb Culture, rhubarb may now be forced for market out of season, and then it brings the best prices of all. Roots are left in the garden until they have been frozen and are then transplanted to specially prepared beds and forced for the Christmas trade. These beds may be in the open field if one has a system of heating by steam forced through trenches, or they may be in specially constructed forcing houses; or, simplest of all, they may be in the house cellar, even though the floor be of concrete.

Rhubarb requires but little moisture and when it is being forced, it need not go deep to find its food, if the soil it has is rich enough. Three inches of earth will give it all the hold it needs, and if the light is completely excluded, the growth will all go to stalk.

If you have a cellar bed, screen it off from the rest of the cellar so that no light can reach it; a small kerosene-oil lamp with a chimney that has been thoroughly smoke-blackened, will give all the heat necessary to start growth. The stalks begin to shoot up looking for light and will do almost nothing in the way of leaf-growth because of its lack. In this way the whole energy of the plant is diverted into profit-making stalks.⁠[9] The roots that have been forced for the Christmas market cannot be used again the following season. They need a season’s rest. (Read J. E. Morse’s “New Rhubarb Culture.”)

But this absence of leaf, which is so desirable in forced rhubarb, would be injurious to the garden rhubarb. In out-of-door growth, the vigor and fruitfulness of the plants in any growing season, are largely determined by the spread of leaves in the preceding season. For this reason, after the cutting season is over, the plants are encouraged to develop leaves; the smaller and weaker ones being cut off that the large ones may grow still larger, but all seed stalks should be cut, so as to preserve the vigor for next season’s growth of stalks.

When ready for market, rhubarb is tied in bunches of two to five stalks and an acre will produce about 3000 dozen bunches. That is a pretty good return when it requires only about a pound of seed to sow an acre in the first place.

Rhubarb is native to eastern Asia and has no serious insect enemies or diseases.

DOCKS AND SORRELS.

Those who are fond of very early greens will be glad to know of the garden varieties of docks and sorrels which come earlier than any other pot-herbs. They were originally imported from France where they are in general use.

The best varieties are the Spinage Dock and the Large Belleville, really a sorrel. The Spinage Dock is a week or ten days earlier than the Belleville, has larger, crisper, greener leaves and a less acid taste. Cornell Bulletin 61 says: “All these docks are hardy perennials, and are very acceptable plants to those who are fond of early greens. Some, at least, of the cultivated docks, can be procured of American seedsmen.”

ARTICHOKE.

The Jerusalem artichoke, the variety best known in this country, and the French Globe or true artichoke, have little in common, yet both are used for food. The eatable part of the true artichoke is the flower-head, which should be cut before it has fully spread, else it will be woody. It is a strong-growing, upright, perennial, reaching a height of four or five feet, with large leaves. It is not always satisfactory to plant from seeds, as they cannot be guaranteed to reproduce truly. But when seed is sown it may be where the plants are to stand or in hot-beds.

The advantage of hot-bed sowing is that the plants may give heads the first year, while those planted in the garden require two seasons to produce eatable heads. The best means of propagation are the suckers which grow freely about the root crowns. Suckers are planted where the plants are to mature and give heads the second year.

Although the artichoke is perennial, it weakens after yielding two or three crops, so that it is well to replant part of the bed each year, thus keeping a succession of vigorous plants. In cold climates the heads are protected during the winter with a mulch of straw or litter. When boiled tender and served with Hollandaise sauce, made of melted butter and flour, the artichoke is a delicious vegetable, but it is comparatively little known in this country.

The Jerusalem artichoke is grown for its tubers, which are underground as in potatoes, and it needs much the same preparation and tillage as potatoes. It is usually fed to stock, especially pigs, but of late it is coming to be recognized as a good food for man, too. “If you will feed the pig, the pig will feed you,” but we need not go through that troublesome process; for a varied vegetable diet alone is healthy for most persons—and much cheaper.

Artichokes are really more nourishing than potatoes, and the improved varieties may be used in place of potatoes. The plant is perfectly hardy, being native to the Northern States and Canada, and will take care of itself when once started, although it is better for having its roots divided, by digging them up. It will run wild, if wholly neglected, and become a troublesome weed, propagating itself indefinitely by means of its straggling, far-reaching, tuber-bearing roots. The only way to cure this damage is by thorough tillage, the first of which consists of fall plowing and the turning of pigs into the patch to root up the tubers.

The artichoke is more prolific than the potato, and will yield all the way from 250 bushels to 1000 bushels per acre with only ordinary care. For eating, the best variety is the Improved White French. The Jerusalem artichoke is not likely soon to supplant any other garden crop in this country, but it might well become a regular garden crop, as it will grow on land too poor for most other plants, requires little care, yields heavily, and is good food for man and stock.

SEA-KALE.

Sea-kale is one of the least known of the perennial garden crops, although where it is known it is well liked. It is a low, fleshy-stemmed plant whose shoots and young leaves are blanched and eaten as asparagus is. The plants may be grown from seed; in which case all but one main stem are to be cut off as soon as they appear; or it may be grown by division of roots. In either case, it is well not to cut from the plant until the second season. The shoots are blanched either by covering the crowns with fine, loose soil for a foot or even more, in the early spring, or by covering the crowns with a box and allowing the shoots to grow up in the dark.

After the young shoots have been picked off, the plants are allowed to grow as they will; for, like asparagus and rhubarb, the vigor, size and yield of the next season depend upon this season’s growth of leaf and root. It flourishes best in deep, rich and rather moist soil. The plants should not be less than three feet apart each way, and they are much benefited by an autumn dressing of light manure or straw.

FOOTNOTES:

[9] Note.—You can get long stalks in the garden by putting a small cask, or half-barrel, with the ends knocked out, over the plant. The stalks will grow to the top and blanch some while growing.