The flowers in summer are: sunflower, jasmine, platycodon grandiflorum, water lily, lotus and so on.

1. Sunflowers

Sunflowers can be used in all seasons, mainly in summer and winter. The flowering period can last for more than two weeks. Sunflower looks like the sun, its flowers are bright and generous, and it is suitable for ornamental decoration. Its seeds have more economic value, not only can be made into popular sunflower seeds, but also can extract high-grade edible sunflower oil with low cholesterol.

The varieties of sunflower can be divided into "general ornamental" varieties or "edible" varieties. The general ornamental varieties are characterized by short plants, usually less than half a meter, so they are suitable for planting in potted plants. Edible varieties have tall plants, which can grow to more than 2 meters in the soil of general open-air nurseries. Sunflowers grow quite rapidly, and usually bloom in about two months after planting. Their flower patterns can be divided into single petals, double petals or single flowers and many flowers, and the flowering period can last for more than two weeks.

2. Jasmine

Jasmine, alias: Jasminum sambac (L.) Ait, an erect or climbing shrub of Oleaceae and Jasminum, is 3 meters high. Branchlets cylindrical or slightly compressed, sometimes hollow, sparsely pilose. The leaves are opposite, simple, paper-like, round, oval, ovoid or obovate, round or obtuse at both ends, sometimes slightly heart-shaped at the base, slightly concave or concave at the top, convex at the bottom, veinlets are often obvious on both sides, slightly convex, and the rest are hairless except for the tufts between the axils of the lower veins.

lobes oblong to suborbicular, with rounded or obtuse apex. The fruit is spherical and purple-black. The flowering period is from May to August, and the fruiting period is from July to September. Jasmine flower is very fragrant, which is a famous raw material of scented tea and an important raw material of essence. Flowers and leaves are used to treat redness and swelling of the eyes, and have the effect of relieving cough and resolving phlegm.

3. Platycodon grandiflorus is a perennial herb with a stem height of 2-12 cm, usually hairless, occasionally short-haired, unbranched and few upper branches. All leaves are whorled, some are whorled to all alternate, sessile or with extremely short stalks, the leaves are oval, oval to lanceolate, the leaves are oval or ovate-lanceolate, and the flowers are dark blue or dark purple-white, which can be used as ornamental flowers; Its root can be used as medicine, which has the functions of relieving cough, eliminating phlegm, dispersing lung qi and expelling pus, and is commonly used in traditional Chinese medicine.

It is often pickled as pickles in the northeast of China, and used to make pickles in the Korean Peninsula. The local folk song "Orange Stalk Ballad" describes this plant. Based on the name, some people may mistakenly think that Platycodon grandiflorum is the stem of an orange, but it is actually not directly related to oranges or citrus. The flowering period is from July to September.

4. Water lilies

Water lilies like sunshine and are well ventilated, so tropical and cold-resistant water lilies that bloom during the day will close at night and open again in the morning. Ponds with shade on the shore can bloom, but their growth is weak. The requirements for soil quality are not strict, and the pH value is 6~8, which can grow normally. The optimum water depth is 25~3cm, and the deepest depth shall not exceed 8cm. I like loam rich in organic matter.

long leaves germinate from March to April, and bloom in succession from May to August, and each flower blooms for 2-5 days. Fruiting after flowering. The stems and leaves wither from October to November. It germinated again the following spring. It germinates in the Yangtze River valley from late March to early April, and buds are conceived in late April or early May, with full flowering period from June to August, yellow leaf period from October to November, and dormancy period after November. Born in ponds and lakes, it is often cultivated in pools in some parks.

5. Lotus

Lotus is an aquatic plant, and its natural habitat is relatively stable and calm shallow water, lakes, marshes, marshes and ponds. The water demand of lotus depends on its varieties. The water level of large plant-shaped varieties, such as ancient lotus and red chiba, is relatively deep, but it cannot exceed 1.7 meters. Small and medium plant-shaped varieties are only suitable for water depth of 2-6 cm. At the same time, lotus is very sensitive to water loss. As long as it is not irrigated for 3 hours in summer, the lotus leaves planted in the water tank will be sluggish. If the water is stopped for one day, the lotus leaves will be scorched and the buds will wither. Lotus is also very fond of light, and it needs a full-light environment during its growth period. Lotus is extremely intolerant to shade, so it will show strong phototaxis when it grows in semi-shade.

Resources Baidu Encyclopedia-Lotus

Baidu Encyclopedia-Water Lily

Baidu Encyclopedia-Jasmine

Baidu Encyclopedia-Platycodon grandiflorum

Baidu Encyclopedia-Sunflower