Ornamental asparagus, Asparagus densiflorus

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Many know the ornamental asparagus mainly as ornamental green in the bouquet. The Asparagus densiflorus also produces a decorative houseplant that, with a bit of patience and the right care, creates filigree blossoms and spreads an attractive, strong fragrance. Even without them, however, the plant is a nice asset. For this, however, a few points must be taken into account when cultivating the decorative asparagus, because the South African plant is quite easy to maintain - but also sensitive.
Be as bright as possible without being directly exposed to the sun. This sounds contradictory, but can be implemented easily by a small distance from the window or on the covered terrace. If you have windows to the east or west that are only exposed to the early morning or late evening sun, you can also position the ornamental asparagus here. Also important for the location of the Asparagus densiflorus are the temperature and humidity. Drafts, dry and hot air heating or abrupt fluctuations tolerate only limited. Ideal are normal room temperatures and high humidity, such as those in the bathroom or the kitchen are given.
Outdoor culture
The ornamental asparagus may well be outdoors. But only during the warm months. At least 18° C should prevail, which are not seriously undercut even at night. As already mentioned, in the open air neither strong sun nor strong wind should endanger the Asparagus densiflorus because it only tolerates it badly.
The choice of the right substrate for the ornamental asparagus is quickly made: commercially available potting soil is sufficient for the Asparagus densiflorus. It is also useful to mix some mature compost into the substrate. Tip: As an alternative to soil, planting granules can be used for hydroponics. This substrate facilitates care in the long term.
to water
Due to the very filigree shoots and leaves of the Asparagus densiflorus has little ability to store water. Even short-term dryness can already ensure that the ornamental asparagus is received. Often and much must therefore be the motto in the casting. If you do not want to constantly use watering cans, you can rely on pots with an integrated water reservoir or care for the ornamental asparagus in the hydroponic culture. It should also be noted that the warmer and brighter the crop is, the faster it needs water replenishment. Especially in the summer, the daily watering of the Asparagus densiflorus can mean. In addition, the plant should be sprayed several times a week if it is not already in a room with high humidity. Just dry heating air in winter or hot summer days make the additional irrigation from outside necessary. Tip: pour alluvial or immerse in the water, but still do not give rise to waterlogging.
From March to August, the ornamental asparagus needs an additional nutrient supply, which can be administered in the form of liquid fertilizer for green plants. The fertilizer solution is added directly to the irrigation water - never poured undiluted on the ground. As a gap between the individual gifts, 14 days have proven to be optimal. Fertilization should be stopped by the beginning of September at the latest, so that the Asparagus densiflorus can prepare for the winter.
A blend is not necessary, but it is tolerated. So if you still need some ornamental green for the self-bound bouquet, you can make use of the houseplant directly. Even radical blends are tolerated if they are not done in the middle of winter. This cut compatibility also benefits amateur gardeners when it comes to correcting care mistakes. If the tips of shoots are dry, burnt or yellowed, they can simply be cut off. Even if almost all of the crop is dehydrated when there is a lack of water, it should be reset except for the main drive. As long as the root is still alive, it will drive out again. However, it needs some help in the form of high humidity. Ideally, the ornamental asparagus is then sprayed daily or covered with transparent film and poured well.
Hibernation is easy if the ornamental asparagus remains in its usual location. The only exception is a location directly above a powered heating, because the hot, dry air does not get the Asparagus densiflorus. In addition, drafts, which can prevail when airing in winter or simply on the windowsill, urgently to avoid. Furthermore, attention should be paid to the following points:

  1. Continue to water regularly, but so that the earth is not completely moist.
  2. Often spray with lukewarm water, especially in dry heating air.
  3. Ensure continuous temperatures of at least 18° C.
  4. Fertilize only with older soil, but at intervals of about five weeks and in reduced dosage.
Since the ornamental asparagus has such a large water consumption, the earth consumes quite fast. It is therefore optimal to spend the Asparagus densiflorus annually in new substrate. The old soil should be rinsed thoroughly but carefully in order not to carry any disease germs and parasites into the new substrate. Advisable is careful rinsing. It should also be noted that the roots of ornamental asparagus grow quickly and strongly. That this earth and plant push upwards and thus out of the planter is not uncommon. They are even able to permanently destroy flowerpots. Therefore, on the one hand should be regularly checked whether the roots already grow out of the bottom of the pot. On the other hand, it is advisable not to completely fill the pot with substrate, but to leave some space and thus space upwards. This also applies to care in hydroponics. In any case, the repopulation of the Asparagus densiflorus should be done in early spring. Then also the propagation of the filigree plant can be made.
The propagation of ornamental asparagus is surprisingly easy. Just like repotting and blending, the measure will be implemented in early spring. Ideally, before the new shoots show up. The root tuber is again completely freed from the substrate and rinsed thoroughly. Afterwards it is divided lengthwise with a very sharp and clean knife. Even with large plants should really only be halved, instead of producing several smaller parts. Anyone who cuts too small risks entering and has to accept a delayed and very weak growth for a long time. The obtained root halves are then transferred to the usual substrate and well watered. They can be cared for just like the mother plant before. Also possible is the propagation of ornamental asparagus over seeds. However, this is much more patience and effort needed, so this variant is not recommended.
Conclusion of the editorship
The ornamental asparagus is already a great addition to the plant corner due to its filigree appearance. The comparatively easy care and reproduction make them ideal for beginners, too. Nevertheless, due to the sensitivity, of course, care must be taken to ensure that no errors occur in the culture.
Worth knowing about ornamental asparagus soon
Ornamental asparagus does not give the impression, but as a houseplant it is very robust, easy to care for and quite undemanding and therefore also suitable for people without pronounced green thumbs. From him there are many different varieties, which differ mainly in their leaf shape and can be used as a pot or as a traffic light plant, because the asparagus can form very long shoots, which then hang down and provide a beautiful look.
  • The ornamental asparagus likes to be bright, but does not like bright midday sun.
  • In summer it can also be outdoors, but should be brought in time before the temperatures drop below 10° C.
  • Its soil should be kept moist all the time, but the top layer can dry off before it is poured again.
  • However, the entire pot bale should not dry out, because otherwise the leaves turn yellow and fall off quickly.
  • An ornamental asparagus can be fertilized every two to four weeks in the summer months with a liquid fertilizer or with fertilizer sticks.
  • A good opportunity to grow an ornamental asparagus through offshoots is when it has to be repotted.
  • This should be done best in the spring.
  • Then the rootstock can first be freed from the earth and then split with a sharp knife.
  • The individual pieces are then placed in separate flower pots with good potting soil.
  • After that they can be cultivated just like the original plant.
  • The roots are partly bulbous, in which the plant can store nutrients.
Seeds for the Asparagus
Another way to propagate an ornamental asparagus are seeds. They are commercially available and are sown from December to spring. Since the seed does not last long, sowing should be done as soon as possible after purchase. To accelerate germination, the seeds can be placed in warm water for several hours, bringing them to life, so to speak. Then they are placed in potting soil, only slightly covered with soil and kept evenly moist. They need a temperature of 20° C to develop and can then be piked after about four weeks. After being grown again for four to six weeks, they are planted in the final flowerpot or in a traffic light.

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