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Hundred-day grassland produces Mexico, which is resistant to drought, hi light and more shade-tolerant, easy to manage. Appropriate growth temperature of 15 °C to 25 °C, can also be potted on the balcony, the best balcony to the south. Summer heat grows slowly, reduces flowering, and grows and blossoms in Autumn. The cultivation can be divided into the following points:
1. Develop good seedlings. Zinnia reproduces mainly by sowing method. Most of them are sown from March to April, and they are planted in pots or boxes. Seed germination above 10 °C, suitable temperature, suitable early sowing, flowering better. Summer can also reproduce cuttings.
2. Preparation of culture soil. Zinnia grass is not strict on the soil, and the culture soil can be mixed with rot leaf soil, fine sand, and garden soil to achieve the requirements of loose ventilation and fertility.
3. On the basin. Potted Zinnias, the seedlings can be planted on 4 to 5 true leaves and 12 cm high. Pot culture soil to the basin edge can be eighty-nine, loading soil too inconvenient to water, fertilizer.
4. Strengthen management. 1 Watering. After the pots are planted, pour water once, and then maintain the environment where the puddles are slightly damp. Too much water, easy to grow long, affecting root growth, poor flowering. 2 fertilization. During the vigorous growth period, once every 10 days or so, the application of phosphorus, potassium-based fertilizer, inhibition of nitrogen fertilizer, prevent shadowy shade, promote plant robust, flowering lush. 3 seedlings, topping. In the basin, the seedlings must be seeded to prevent the emergence of tall seedlings. The height of seedlings is 12 centimeters for topping, the branches are promoted, the branches are repeatedly tossed, and the plants are promoted to be compact and stout, increase nutrition accumulation, increase flower bud differentiation, and improve flower quality. 4 dimming. Zinnia is warm and sunny, and grows well from 16°C to 28°C. It is better to keep it in a ventilated, well-lit south balcony.
How to grow zinnia
Zinnia is an annual herb of the family Asteraceae and Zinnia. Plant height 40 cm to 90 cm, strong branching, short hairs on stem. Leaves opposite, leaf base phimosis, 6 cm to 10 cm long, entire. From June to October flowering, head flowering, single flower top, open, one flower higher than one. Rich in color, red, pink, yellow, purple, light green and so on.