What flowers do you crochet on Teachers' Day?

Crocheted sunflowers on Teachers' Day.

Sunflower (Helianthus annuus? Herbs of Helianthus in Compositae, with stout stems and coarse white hairs; The flowers are tray-shaped, yellow, ligulate and tubular. Achenes are flat on ovoids.

Leaves alternate, stalks long, heart-shaped ovoid to ovoid, edges with coarse serrations, short and rough; The flowering period of sunflower is from July to September; The fruiting period is August-September. Sunflower is called sunflower because it looks like a small sun and is positive.

Sunflowers are mainly distributed in three northeastern provinces, Xinjiang and Inner Mongolia. And Russia, the United States, Argentina, France and other countries. Sunflower is warm and cold-resistant, suitable for cold climate, drought-resistant, and has low requirements for soil.

It can grow on all kinds of soil, from fertile soil to arid land, barren land and saline-alkali land. Sunflowers are propagated mainly by sowing. Generally, you can sow in March and April and harvest in July and August.

According to Textual Research on Plant Names and Facts, the whole sunflower can be used as medicine, which has the functions of expelling wind, calming the liver, clearing away heat and promoting diuresis, detoxifying and expelling pus. Sunflower seeds can be eaten as dried fruits after frying. Sunflower has a long flowering period and many nectaries, which is also an excellent honey source for beekeeping. Sunflower also has high economic value. Its stems can be used for papermaking, potash fertilizer and calcium fertilizer.

It is also one of the five major oil crops in the world. Sunflower seed oil belongs to semi-drying oil and is easy to extract. Sunflower flowers are big and beautiful, and are often planted in flower fields or cut flowers. Language is "love, glory, loyalty, arrogance".

Tall panicum miliaceum. Stems erect, 1-3 meters high, stout, with white coarse bristles at the top, unbranched or sometimes branched. Leaves alternate, heart-shaped, ovoid or ovoid, with acute or acuminate top, three main veins, rough serrated edges, short and thick hairs on both sides and long stalks. The flower head is very large, with a diameter of about 10-30 cm. It is solitary at the end of a stem or branch and usually inclines downward.

The involucral bracts are multi-layered, leaflike, imbricate, ovate to ovate-lanceolate, tapering at the top and covered with bristles or cilia. Receptacle flat or slightly convex, with semi-membranous stipules. Tongue-shaped flowers are mostly yellow, with flat tongues, oblong, oval or oblong, and are not strong. Tubular flowers are numerous, brown or purple, with lanceolate lobes and fruits.

Achenes are obovate or ovoid, slightly flat, long 10- 15 mm, angular, often white pubescent, with two membranous crown hairs at the top. The flowering period is from July to September, and the fruiting period is from August to September.