1, the floral meaning of red rose is love, which is especially suitable for love and courtship. The enthusiasm and boldness of red give red rose enthusiasm;
2. Pink roses represent the vows of love, the ancient vows to hold your hand and grow old with your son, the love that will never die, and the determination that I want you in this life, so they are the flowers used to propose marriage;
3, and the white rose is as pure as its color, which means pure love.
4. Huang Qiangwei's flower language means an eternal smile, which will always protect you. Yellow is a particularly warm and calm color. Although this color of flowers is not as strong as red, it is a kind of warmth that can last forever, so it is also very suitable for expressing love;
5, crimson roses, the color is thicker than red, the meaning of flowers is that I just want to be with you, which is a firm commitment and determination;
6. Blue rose is the flower meaning of despair, just as blue is the color of melancholy, and this color of rose represents the meaning of despair;
7. Purple rose symbolizes unattainable love and indicates imprisoned love. Want to love but dare not love, so people can't get pain.
Rosa is the general name of some plants of Rosa, which mainly refers to varieties of Rosa and horticultural varieties. Most of them are small flowers climbing fences like vines, and they are deciduous shrubs originating in China, with strong variability. Stem spines are large and generally have hooks, saving 3 or 4 each; Leaves alternate, odd-pinnate compound leaves, 5-9 leaflets, serrated leaves, flat but pilose leaves.
Flowers are usually 6-7 families, conical corymbose inflorescences, born at the top of branches, with a flower diameter of about 3 cm, and only bloom once a year. Rosa multiflora plate surrounds the mouth of calyx tube and has many colors such as white and yellow. Sepals will fall off after withering; Fruit is spherical.
Cold tolerance, there are many wild and horticultural varieties, which can be propagated by layering or grafting. Rose can be used as medicine, and the wild rose porridge made from it has good nutritional value. Mainly distributed in temperate, subtropical and tropical mountainous areas in the northern hemisphere.
Roses like sunshine, are resistant to shade and cold. It can be wintered in the open air in most parts of northern China. The requirements for soil are not strict, and it is drought-resistant and barren-resistant, but it grows well in deep, loose, fertile and moist soil with smooth drainage, and can also grow normally in cohesive soil.
Not resistant to water and humidity, avoiding water accumulation. Strong germination, pruning resistance and pollution resistance. The flowering period is generally from April to September every year, which is open in order and can last for half a year. Due to global warming caused by the greenhouse effect, roses in some places began to bloom in April or even March.
Seeds can be used to raise seedlings, but in production, cuttings are often used to raise seedlings in the same year, which is easy to survive. Rare varieties are not easy to cut, and can be propagated by layering or grafting. Asexual seedlings can bloom in the same year. For the seedlings used as potted flowers, the older branches of fine varieties should be selected, and the seedlings should be raised by layering method, and the main buds should be trimmed and artificially dwarfed. For seedlings used as cut flowers, we should choose varieties that can form mother branches and have large and bright flowers.
There are few pests and diseases of wild roses, and insect pests such as sawfly, rose sawfly, scale insect, aphid, scorched leaf disease, canker and black spot often occur in artificial cultivation. In addition to spraying with liquid medicine, it should be used in coordination with other flowers and trees, and it is not advisable to plant too much in one place. Every winter, pruning old branches and dense branches frequently, keeping light and good ventilation can reduce pests and diseases.
References:
Rose-Baidu encyclopedia