Variety characteristics

Black peony for the cactus Branch of the peony is a multi-meat plants, with hypertrophy straight fleshy root; plant early solitary, adult germination at the base of the ball, was clustered, rough body triangular warts, warts , Ditch dense fine hair, rough skin, dark green to black. Flower purple pink, bell-shaped, flowering late autumn to early spring, usually open in the sunny day, closed in the evening, so the day off the night, a single flower can be open for about a week. Variants have 'like black peony', the warts larger, warts are also more rough.

Ji peony is a dwarf variant of black peony.

Its plants are smaller, the surface grayish green, more smooth, other characteristics with black peony.

In addition, there are two white varieties, known as the "white peony" or "white cherry peony", are decorated, spotted and other varieties of variation. 

Cultivation management

Black peony origin of Mexico, hi warm and dry and sunny environment, resistant to drought and half anx, slightly cold, avoid dark and humid and poor ventilation, suitable for large temperature difference between day and night, air circulation environment.

Summer high temperature, the plant is in a dormant or dormant state, this time the growth slow or completely stagnant, should control the watering, and strengthen the ventilation.

Black peony seedling growth is slow, do not need too much nutrients, so the cultivation of water and fertilizer should not be too large, in the spring and autumn season to maintain the growth of potted soil can be fertilizers do not have to be too busy, if the soil has a certain fertility, Fertilization.

Winter strict control of watering, so that plants dormant, 0 ℃ low temperature, but the flowering will be delayed later. If the temperature can be maintained at 10 ℃, and there is sufficient sunlight, can continue to water, so that plants grow, and can continue to flowering.

Every 1 to 2 years of spring pots once, Pentu requirements loose and breathable, with good drainage and coarse particles, and a certain fertility and calcium. 

Breeding methods

Can be used to sow, grafting and other methods of breeding black peony.

Sowing is usually carried out in the indoor pots from March to May. The seed germination temperature is 20 ℃ to 24 ℃, germination is 7 to 10 days after sowing. The growth of seedling is slow, and it takes 4 to 5 years or more to flowering. With the sowing of the breeding of black peony or Ji Peony commonly known as "real plant", which is characterized by a hypertrophy of the fleshy root, plant type Zhuang Zhuang look good, long life, growth for many years the old strains have a certain collection value.

Grafted rootstock can be used triangular column (also known as the triangular arrows, the amount of days), grass ball, green leaves Kirin and other habits of strong, growing cactus plants to flat method, grafted seedlings grow quickly, Flowering, and more flowering. But the grafted plants do not have hypertrophy of the fleshy root, easy to aging in advance, often less than the size should be, the product phase is not as good as seedling, so the same specifications in the market than the grafted plant several times, and even Several times a hundred times.

In recent years, some people use the leaves of unicorn leaves and other smaller cactus plants as a rootstock, grafting on the root of the scion is not too much pruning, but the rootstock cross section and the root of the scion directly combined, both to keep the fat Root, but also to speed up the growth rate, can be described as two birds with one stone

When the scion grows to a certain size, it can be cut from the rootstock during the growing season, remove the remaining stock, dry for some time, so dry after cutting cutting, to grow its own roots.