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White asparagus is very popular in Europe, where it is also known as spargle, which is the German name for asparagus. As most asparagus in Germany is white, they usually call the green one grüner Spargel. Beside Germany, it is also widely appreciated in Netherlands, France and Belgium. Germany is a big producer of asparagus and they call it the Royal Vegetable.

During the ’60s it was commercially grown in California, but now it can be found in cans or as a pricey, fresh import during a few short months when it is harvested, from late April to early June.
California growers stop producing the white asparagus because it is highly labor-intensive crop so producers from Taiwan took over the industry due to their much lower labor costs.

White asparagus is also called the king of darkness because it grows underground and sometimes it is even referred to as white gold. It is special for how it is produced. It is cultivated by depriving the plants light. The plant is covered with dirt while growing to keep it in the dark. That way the plant cannot produce chlorophyll so the stalks don’t get their green color and remain white. This process of growing white asparagus is called etiolation.

So what effect does this process of production have on its flavor? Well, the white asparagus is slightly bitter, but tender, fibreless, soft and more delicate than the green one.

White asparagus requires more concern when it comes to preparation and storage. The chefs suggest storing it with the tips up in 3 inches of water with a little sugar, for three days maximum.
When preparing the spears for cooking, you can use the potato peeler to peel of the woody pulp and hard skin. Around 30% of the spear would be peeled but it can be used for making a soup.

Conservation Methods: asparagus fern Hei Ban Yin, Ji glare. If the summer to put it in direct sunlight at the conservation, can easily result in leaves turning yellow. At this time, pots should be moved to the shade, often to the leaves on the water jet, increase air humidity, light when the victims, most can be resumed as ever.

Asparagus fern Hi wet, afraid of drought, too wet bogey, waterlogging, soil, water requirements more stringent, master appropriate Pentu daily bears the conservation of water is a major key. Peacetime, such as watering too much, resulting in pots for a long time too wet or water will cause root growth and poor, in turn lousy root cause. Expressed as leggy branches and leaves above ground, first, followed by leaf tip yellowing leaves gradually turning yellow, leaves, new buds grow in the middle died and more than three years of vine plants are a large number of fallen flowers, seeds off phenomenon, in severe cases can lead to whole plant. Watering too little as too dry on the basin, resulting in shoot dry yellow leaves, sprig off, Body withered, while falling down bud. This should always be so solid in between the dry Pentu alternating between the wet state, such as found on pots too wet and must not continue watering through cultivation, Huanpen, and clear the bottom outlet to facilitate the rapid shed excess moisture

Management bears the key to watering. Watering too much ground, branches and leaves hair easy to yellow, the growth of non-performing, easy lousy root cause. Watering should be based on the growth of plants and the season to adjust. Winter, spring, and autumn, watering should be appropriate controls, are generally dry and then poured Pentu surface, see if the water was difficult to master, but also the size of the water can be taken alternately. Namely, small water for 3 ~ 5 times, after pouring a second permeable, so that the upper and lower Pentu water to keep moist but not much. Sooner or later must be watered in summer, slightly larger amount of water and no prejudice.

Bears though not very hi fat, but the potted plants, especially when they are prepared to stay kinds of plants should be added more nutrients. Asparagus fern fertilize, fertilizer handling facilities should thin, Jiyong concentrated fertilizer. Growing season, usually every 15 to 20 days Shi decomposition of organic liquid fertilizer ~ times. Hi bears slightly acidic soil. Therefore, fertilization can be combined as appropriate Shi some alum fertilizer to improve soil pH.