In the design of a home aquarium, a long-stem unpretentious and hardy plant with needle-like juicy-green delicate leaves forming lush underwater thickets, Hottonia palustris, the systematic name Hottonia palustris, looks very impressive and attractive. It can be grown even by inexperienced aquarists, beginners, only comprehending the basics of this fascinating business.
The natural habitat of Hottonia palustris, it is often called Hottonia bog or turkish bog, is located in standing marshy ponds and swamps of Europe and Asia, in some European regions this plant is rare and is on the verge of extinction. Under natural conditions, the Hottonia bush can grow up to 1 m, in shallow reservoirs it grows and blooms above water. In some, even ancient books and atlases of medicinal plants, Hottonia palustris is described as a valuable medicinal herb.
The long stem of Hottonia palustris does not grow strictly upward, but grows obliquely in the free aquarium space, forming fast-growing thickets in the center of the composition. It has bright green salad shade, small cirrus-dissected leaves that look very decorative. Leaflets up to 5-6 cm long and up to 2-3 cm wide are arranged alternately on a stalk high up to 50 cm. Hottonia blooms, releasing a long, often surface arrow with delicate purple flowers.
The adult Hottonia palustris plant actively forms side shoots, they are carefully separated from the bush and planted in new places. This cuttings shoot, after a short period of adaptation, begins to grow and occupy new territory. If it is not thinned out in a timely manner and the bush is not formed, it will eventually occupy the entire space of the aquarium.
It is best to plant Hottonia palustris in a large aquarium of 150 liters. It will look great in the central part of the aquarium composition. Here she is striking, attracts attention and pleases with her delicate and unusual leaves. In a prosperous aquarium community, its rapid growth can be inconvenient, it has to be cut and a bush formed.
It is best to plant Hottonia palustris in 2-4 branches at once, compactly so that they form continuous thickets. The plant is a good treat for herbivorous fish, and they often nibble it. Water for growing Hottonia palustris should have a temperature of + 15 ° C - + 28 ° C, with a hardness of dH 2-12 °, and an optimum acidity of pH 5.0-7.0.
Hottonia responds well to regular filtering of aquarium water, weekly replacement of 1/3 of the volume with fresh water and additional fertilizing with microfertilizers and CO2. Hottonia palustris microfertilizers are especially needed, containing iron, nitrogen and phosphorus compounds, accelerating growth and affecting color. The lack of nitrogen-containing substances in the water slows down growth and yellowness appears on the leaves, and the lack of phosphorus compounds leads to darkening of the leaves.
The plant is very fond of light, and its optimal intensity of illumination is 0.5-1.0 W / l for 12 hours. It does not tolerate shading, the leaves of the plant begin to rot and quickly lose their attractiveness. Hottonia bushes should be protected from direct sunlight, because in lighted areas it is overgrown with small algae. Hottonia palustris prefers light silted soil rich in nutrients. Hottonia is great not only for decorating aquariums, but also for designing a home pond.