1, the best division time of Acorus calamus: Grain Rain (April14th, after Acorus calamus' birthday, it entered the vigorous growth period);

2. Planting materials: loose sandy loam (mixed soil such as fairy soil, planting stone, vermiculite, river sand, ruby soil and nutrient soil);

3. Fertilization: put an appropriate amount of organic granular fertilizer on the basin surface (the fertilization of Acorus calamus is also tangled, and if it is not fertilized, the leaves will turn yellow and will not tolerate fertilizer);

4, watering: leaves dry and wet (like wet, avoid drought. It is advisable to keep the basin soil moist by daily watering, and it is easy to cause yellow leaves by watering too much.

5. Lighting: Acorus calamus likes shade, but it still needs scattered light (it is suggested that it can be placed in the shade of large and medium-sized bonsai for normal maintenance);

6. Trim the leaves: The more you trim, the more delicate Harrison will be. But the number of pruning is not easy to be too frequent. Regularly remove rotten leaves and yellow leaves to maintain the best viewing effect.

Acorus calamus is a perennial herb. Rhizomes are transverse, slightly flat, branched, with a diameter of 5- 10 mm, yellow-brown skin, fragrant, fleshy roots, 5-6 cm long and hairy fibrous roots. The leaves are basal, and the membranous leaf sheaths on both sides of the base are 4-5 mm wide, which gradually narrows upward and gradually disappears and falls off at the leaf length 1/3. The blade is sword-shaped, with a length of 90- 100(- 150) cm, a middle width of 1-2(-3) cm, a wide base with pleats, tapering above the middle, grass color, green and bright; The midvein is obviously convex on both sides, and the lateral veins are 3-5 pairs, parallel and slender, and most of them extend to the tip of the leaf. Peduncle triangular, 40-50 cm long (15-); Leaf-shaped spathe sword-shaped linear, 30-40 cm long; Spikes are obliquely upward or nearly upright, narrowly conical and cylindrical, 4.5-6.5(-8) cm long and 6- 12 mm in diameter.

Flowers are yellow-green, perianth segments are about 2.5 mm long and 65438 0 mm wide; The filament is 2.5 mm long and 65438 0 mm wide; Ovary is cylindrical, 3 mm long and 65438 0.25 mm thick. Berries are rectangular and red. Flowering period (February-June-September).