Culture methods and matters needing attention of saffron

Crocus is a perennial bulbous flower of the genus Crocus in the Iris family and a common spice. Saffron leaves are slender and young, flowers are delicate and elegant, with various colors and special fragrance. It is not only the darling of Baicao Garden, but also the famous flower of garden decoration or potted plant as desk decoration. The following are saffron cultivation methods and precautions.

1. Cultivation methods of saffron

1. planted

Prepare basin soil beforehand, choose fertile loose soil rich in humus. The choice of seed ball must choose a large and plump, no mold spots healthy ball.

In autumn, the seed balls are planted in flower pots. In principle, one plant is planted in one pot, but according to the size of the plants and flower pots, 4~6 plants can be planted in one pot, and the soil after planting is 5~8 cm.

Within a week after planting, put the flowerpot in a cool and ventilated place, and move it to a bright place for maintenance.

2. watering

Crocus is usually planted in autumn and grows in winter and spring. The climate is cold and dry, so it needs proper watering.

About 20 days after planting emergence, watering once before emergence to facilitate emergence. Water the soil once before winter to increase the temperature. Pour water once in mid-April to reduce the harm of dry hot wind.

When watering, pay attention to, do not pour ice water when the temperature is low, the temperature of the water is equivalent to room temperature, so as not to affect the growth of the plant when the pot soil freezes.

3. fertilization

Before planting, sufficient base fertilizer should be added to the pot soil, such as cake fertilizer, manure, burning soil, plant ash, chicken and duck dung, etc., and some calcium superphosphate should also be applied.

After rooting, thin liquid fertilizer with balanced nitrogen and phosphorus can be applied every 10 days. Fertilization should not be too thick, so as not to cause excessive leaf growth, affecting the growth of flower buds.

After saffron blooms in October, it should be applied once or twice with quick-acting fertilizer with balanced nitrogen, phosphorus and potassium to facilitate the growth and development of corms, so that corms can store enough nutrients for more flowers and good flowers in the coming year.

4. seed ball storage

From late April to early May, some branches and leaves on the ground of saffron gradually turn yellow, and the seed ball can be dug out from the pot for collection. After digging out, the seed balls are classified, and the rotten and spotted seed balls are disposed of in time, or removed, or thrown away.

Put saffron seed balls in gauze bags and store in a cool, ventilated place with little light. Keep indoor dry. It can be replanted in autumn.

Second, the precautions for planting saffron

1. variety selection

Saffron in winter and spring season, flower friends in planting, according to the need to choose different varieties. It is suggested to choose spring flowering varieties, spring environment is relatively good, and timely storage of bulbs after flowering, flowering time is longer.

2. The size of the pot

Planting pots should be 15-20 cm in diameter pot mud pots, or better permeability of plastic pots. Plant 4-6 large balls per pot in September-October. When can also use small pots, 3~5 cm black plastic pots, a pot of a ball.