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Growth habit

The rose likes sunlight, is tolerant to half shade, and is more resistant to cold. It can live through the winter openly in most parts of northern China. The soil requirements are not strict, drought-tolerant, and barren tolerant, but it grows better when planted in deep, loose, fertile, moist, and smooth-draining soil, and it can also grow normally on heavy soil. Not tolerant to water and humidity, avoid standing water. It has strong sprouting, pruning resistance and pollution resistance. The flowering period is generally from April to September each year, and the blooming sequence can last up to half a year. Due to global warming caused by the greenhouse effect, roses in some places begin to bloom as early as April or even March.

Climbing Rose seed planting method

1. Selection and accelerating germination: The seeds of the rose flower should be accelerated before sowing. Reasonable germination can increase its germination rate. It is recommended that the drug should be soaked first, which can improve disease resistance and eliminate germs on the seed coat. Change the water after the medicine is soaked, and take it out after the seed coat is soaked softly.

2. Preparation of soil: Rose does not require very high soil requirements, even if the soil is sticky, it can grow normally. But for pot planting, it is best to add leaf soil and river sand to the garden soil. The selected soil layer for ground planting is deep, loose, and fertile substrate for sowing. This kind of soil is conducive to later growth.

3. Sowing into the soil: Planting can be planted after the soil is ready. When planting, place its seeds directly on the surface of the soil. After laying it down, cover it with 1 cm thick sandy soil, then place it in a place with astigmatism, water it appropriately, let the soil have a certain amount of moisture, and seedlings will emerge soon. Set the value after the growth of its seedlings is stable.

2.200 PCS Dahlia Flower Seeds

Growth habit

1. Requirements for lighting conditions

Dahlia likes half shade, too strong sunlight affects flowering, usually 10 to 12 hours of light, avoid direct sunlight when cultivating seedlings.

2. Requirements for temperature conditions

Dahlia likes a cool climate. In late September, they bloom the largest, most colorful, and most prosperous, but they are not tolerant to frost. The stems and leaves wither immediately after the frost. During the growth period, the temperature requirements are not strict, 8~35℃ can grow, 15~25℃ is appropriate.

3. Requirements for moisture

Dahlias are not tolerant of drought and waterlogging. Generally, potted plants should be watered if the soil is dry, so that they can see dryness; they can be drained in rainy days (ground plants do not need to be watered frequently).

4. Requirements for soil

Dahlia is suitable for cultivation in fertile sandy soil with loose soil and good drainage.

Seed propagation

1. Preparation before broadcasting

(1) Seeding container

Choose a seedling tray with a length of 50 cm, a width of 20 cm, and a height of 5 cm, first rinse with clean water, and then disinfect with 0.2% non-chloronitrobenzene.

(2) Seeding substrate

Choose soil that is fine, uniform, free of rocks, pollution, rich in nutrients, and free of pests and diseases. The soil with good drainage and light salinity is suitable. The selected sowing substrates are garden soil and grass charcoal. It is generally made of garden soil, humus soil and river sand, with a ratio of 2:2:1, and disinfection with 2% pentachloronitrobenzene or high temperature disinfection. [9]

2. Sowing method

(1) Sowing time

Wash the sterilized seedling tray with clean water before sowing. Seed immediately after the water seeps. Hotbeds are sown in mid-to-late March, and flowerbed varieties are sown in the open field in late April, and the seeds are sown on the soil. The large seeds are covered with moist, fine soil after sowing, and the thickness is 3 times the diameter of the seeds. After sowing, use bamboo poles to support the agricultural film, leaving gaps for ventilation, which is beneficial to increase soil temperature, reduce moisture, maintain soil moisture, and reduce soil compaction, so as to maintain the temperature and humidity required for seed germination. After sowing, put it at 20~25℃. After about 7 days after sowing, the seeds can germinate. Keep the soil moisture frequently. Divide the seedlings when they grow to 4~5 cm, water them thoroughly, and place them in the shade for 3~4 Day, then move to strong light, pay attention to timely watering, to maintain soil moisture.

(2) Post-broadcast management

Water according to soil moisture. Keep the soil wet between dry and dry. When the surface of the soil is slightly dry, moisturize it with the dipping method. The suitable temperature for seed germination is 19~21℃. Frequent ventilation after sowing is conducive to seed germination. Dahlia seeds need proper shade for germination. After the seedlings emerge neatly, the film should be gradually removed, and the seedlings should be moved to a sunny place. Turning the box at 180° every 2-3 days is conducive to the straight growth of seedlings.

Notes:

1. Due to the packaging of the machine, please allow a small amount of error in the number of seeds. Please make sure you don't mind before bidding.

2. Due to the difference of different monitors, the picture may not reflect the actual color of the product.