How to cultivate and preserve Gardenia jasminoides?

How to cultivate and preserve Gardenia jasminoides?

Gardenia, alias gardenia, water cross branch, peach, magnolia, forest orchid, fresh branch, small yellow twig, yellow branch flower, Shanhuang gardenia, yellow gardenia, white toad flower, white cicada, mountain gardenia. Gardenia of Rubiaceae. It is cultivated in both north and south of China, especially in the Yangtze River Basin and the provinces in the south of the Yangtze River.

Gardenia leaves are emerald green, smooth and can be learned from, and can absorb harmful gases such as sulfur dioxide and chlorine. The flowers are as white as a Jasper hairpin. The petals will be covered with rotating tiles when they are opened, and spread flat like a tray after opening, with a chic posture and rich fragrance.

Gardenia is an evergreen shrub with a height of 1m to 3m, dry gray and green branchlets. Leaf blade opposite or 3-whorled, long elliptic, stem broadly cuneate, apex acuminate, entire, leathery, smooth and shiny. Flowers solitary, apex or leaves axillary. Corolla high dish-shaped, white, full-bodied fragrance. The florescence is from May to August. Fruit red, ovate, longitudinally angled.

1. Hydroponic method

Method 1: during the growing period, cut off the robust shoots of Gardenia jasminoides, grow 8~10cm, remove the basal leaves, and insert them directly into a transparent container. 'inject clean water to 3 branches and change the water every 2-3 days, which is very easy to root. The hydroponic gardenia flower is shown in the picture.

(2) method 2 during the growing period, select strong soil culture gardenia seedlings, dig out the whole plant, remove overdense branches, remove soil, withered leaves and rotten roots by root washing, soak 10min in 0.1% potassium permanganate solution, plant it in a transparent container, inject human water to 2x3 of the root system, and place it in the shade. Change the water every 2-3 days and spray to the leaves. After about 10 days, new roots can sprout on the old root or at the base of the stem.

2. Maintenance guidelines

The main results are as follows: (1) the gardenia flower likes warm, moist environment and good sunshine, but it can not tolerate strong light. The growth period is 18-22 ℃, and the overwintering period is 5-10 ℃. If it is lower than-10 ℃, it is easy to be frozen.

(2) watering and hydroponic gardenia flower seedling stage should pay attention to watering, keep the basin soil moist, frequently apply rotten and mature thin fertilizer, and water o.22 "ferrous sulfate or alum fertilizer every 10-15 days during the growing period to prevent leaves from yellowing. Spray water to the leaves every morning and evening in summer; control watering in winter, you can often spray leaves with clear water.