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Sunflowers are the most popular flower during the holidays because this flower represents arrogance, strength, honesty, and loyalty. And especially sunflowers are a symbol of a world without nuclear weapons. Sunflowers (Pelargonium hortorum Balley) are perennial herbaceous plants. The flowering season is long, it can flower in the summer, and can also flower from October to April – May the following year. Together Dang Gia Trang learn about How to plant and care for sunflowers Let the flowers shine brightly!
1/ Characteristics of sunflowers
Sunflower belongs to the chrysanthemum family, scientific name is Helianthus Annuusin English called Sunflower. Also known as sunflower anemoneum, angelica anemoneum,…
– Trunk: Herbaceous plant, average height from 0.5-4.5m, grows straight, hard and has suction hairs around.
– Leaf: The leaf stalks are long, the leaves are often staggered, large, heart-shaped, pointed at the top and have serrated edges. Both sides of the leaves are covered with white hairs.
– Flower: When hatched, it is large in size, 7-20cm in diameter. In the middle is the pistil and flowerlets arranged close together in a spiral form. On the outside are tongue-shaped petals arranged evenly to form a circle.
– Seed: When the flower fades, the seeds will appear. However, this seed is actually a “dead fruit”, the seeds used for use are located in the shell of this “fruit”.
Growing sunflowers in the field
2/ Types of sunflowers
Sort sunflowers by size
– Giant sunflowers: The flowers have large, bright yellow, eye-catching flowers and provide an extremely large amount of seeds.
– Russian mammoth sunflower: Easy to care for and grows exceptionally well. Therefore, it is often used in flower exhibitions or fairs.
– Giant Sungold sunflower: Often used for decoration.
– Dwarf sunflower: Soft stem, single flower and small petals. After about 50-60 days after planting, it will produce flowers. This type of flower is quite popular today.
– Small Becka sunflowers: Small size, soft stem, very suitable for decoration. Flowering time is quite fast, only 45-50 days of planting.
– Sunflower teddy bear: The small petals are arranged close together, without black pistils, but instead are all bright yellow petals. Flowering time is 50 days after planting.
– Sunny Smile sunflower: This is a dwarf sunflower variety, with bright yellow petals and dark brown pistils. Flowers will usually produce their first batch 30-35 days after planting.
Sort sunflowers by color
– Yellow sunflowers: This is the most popular sunflower species. Petals are bright yellow, pistils are blue or black. When blooming, the petals are arranged side by side to form many layers close together.
– Italian White Sunflowers: This flower has white petals and black pistils. Flowers usually bloom 60-65 days after sowing.
– Red sunflowers: The flower has dark red petals and black-red pistils, suitable for decoration. Flowering time is 70-80 days after planting.
– Red orange sunflower: This is a chrysanthemum variety with large flower size. The flower has orange petals, tinged with red, and dark pistils, growing and developing strongly in cold weather conditions. The stem is soft, covered with a thin layer of hair.
– Wine-colored sunflowers: This flower is also quite large in size. When blooming, the flowers are a bright and eye-catching wine-red color. Flowers usually germinate after about 3-5 days of planting, and are harvested after 60-70 days.
3/ Techniques for growing sunflowers
3.1 Preparation
– Planting time: Sunflowers can be planted all year round. However, early spring is the most favorable time for plants to grow. Thus, the sowing time should be in the middle of the 10th lunar month, so that the flowers will bloom beautifully during the Lunar New Year. Note: avoid planting in cold weather.
– How long does it take for sunflowers to bloom? Normally, the time it takes for sunflowers to bloom after sowing seeds is about 50-75 days, depending on the variety. Currently in Vietnam, sunflowers are usually grown 2 crops per year. The main crop is in the summer, around April to May. The next crop is from November to December.
How to grow sunflowers with seeds
– Choose a flower variety: Choose a sunflower variety depending on whether you want to grow large sunflowers, about 3m, medium ones from 1.8m to 3m or small sunflower beds. Prepare warm water in a ratio of 2 boiling: 3 cold (about 40-45 degrees Celsius). Soak the seeds for about 8 hours to help them peel easily and germinate faster.
– Weather conditions: Observe weather conditions to make sure frost season has passed. At that time, you can safely sow sunflower seeds.
– Soil: The way to mix sunflower soil must ensure adequate nutrition, no fungus and good drainage. This flower thrives in slightly acidic to slightly alkaline soil with a pH of 4.5 to 8.7. You can choose one of the following two ways:
+ Method 1: Mix your own soil according to the ratio of 5 soil: 3 earthworm compost: 2 coco peat (smoked rice husk)
Clean land for growing Sfarm flowers
+ Method 2: Use clean soil available on the market. Among them, Blog Kiến Thức Tổng Hợp Nông Nghệp organic clean soil is the most popular. Because:
- Fully mixed with organic ingredients
- Complete nutrition in the first 60 days after planting
- Loose, breathable and well-drained
- Clean pathogens and disease resistance for plants
3.2 Seeding
Sow the seeds in holes about 2.5cm deep, about 12 – 18cm apart. The distance between beds is about 90cm for large sunflowers, 60cm for medium-sized plants and 30cm for small-sized plants. Planting a series of sunflowers or growing them among grape vines will create a colorful landscape for your garden.
Use a watering can to water the soil once a day, early in the morning. Note, water moderately so that the seeds do not become waterlogged. After 7 to 10 days, sunflower seeds will sprout.
Newly planted sunflower pots
4/ Secret to taking care of sunflowers
– Stake: When the tree begins to grow, stake it to keep the tree upright and stiff against wind and rain.
– Pests: Catch pests such as caterpillars and weevils throughout the plant’s growth process, and remove dead leaves. Sunflowers have a way of growing and require little care, so this is a plant often used to help children get used to gardening. Sometimes there are fungal infections and diseases such as sclerotia, brown spot disease, and root rot disease. Monitor regularly to detect disease early. Use GE garlic, chili, ginger, neem essential oil, etc. periodically every 1-2 weeks with a dosage of 5-7ml/1 liter of clean water for prevention.
– Pruning: After the flowering season, you need to prune the branches and promote branching. Sunflower plants grow quickly every year so they need to be pruned, three times a year: spring, summer and fall. Based on the growth of the tree, it is necessary for the tree to have 3-5 main branches. Long branches must also be pruned. Sunflower plants can grow for 1 year and only need to shorten a few branches. After pruning branches, it usually requires a recovery period, so half a month later, you have to fertilize the tree. Stop producing flower buds. To avoid the tree from growing too tall, it is necessary to pick the top and grow side branches and many flowers.
5/ Harvest sunflowers after planting
You should cut flowers early in the morning, because cutting them at noon can lead to wilted flowers. Handle and transport flowers gently.
Sunflowers will stay fresh for at least a week in room temperature water.
6/ How to propagate sunflowers
Usually, cuttings are used to propagate sunflowers. Cuttings should be taken in the spring for a higher survival rate than in the fall.
The specific way to do it is as follows:
– Cut the tip of the branch with the bud tip to 6 – 8cm, cut off the base leaves, cut the lower nodes, etc.
– Wait for the cut to dry, place it in a pot of sand or gravel, 1/8 – 1/2 deep of the cutting, and water it thoroughly.
– After that, water once every 2 days, keep at a temperature of 25-30ºC.
– After 20 days, the plants grow roots and the seedlings are 2-3cm tall, put them in pots. Leave the pot in a shady place until the plant sprouts, then move it to a place with plenty of sunlight.
7/ The meaning of self-grown sunflowers
Sunflowers originate from the beautiful country of Mexico and in each area will bring different meanings:
The meaning of sunflowers in national cultures
Because it is quite popular in many countries around the world, sunflowers have many different meanings. In each country, this flower symbolizes different things in each culture.
For example, in China, people believe that sunflowers are a symbol of longevity, loyalty and filial piety because this flower always faces the sun. Or in some other countries in Asia, this flower symbolizes steadfastness and faith in the future.
The meaning of the sun flower in feng shui
Sunflowers symbolize fidelity, loyalty, and filial piety because sunflowers always face the sun. Although sunflowers are not as soft and noble as roses, nor as luxurious as orchids, sunflowers have a more wild look. The movement of the sun flower follows the sun’s journey during the day from East to West, so in Chinese culture, sunflower is a flower that symbolizes upward mobility, towards better things, and at the same time it is also Chinese people consider it a symbol of fidelity, respect and loyalty. That’s why sunflowers are meant to bring a warm yellow color to the house, a source of good energy, and light up dark places. toothpick, creating a warm feeling and a happy atmosphere full of vitality, contributes to bringing good things to family relationships, especially in the relationship between parents and children.
Meaning of sunflower in life
Sunflowers mean luck and happiness. It also carries the meaning of health and longevity, respect and gratitude, optimism, strength or sincerity in friendship.
Meaning of sunflower in love
Sunflowers represent silent love, sincerity, loyalty, warmth, full of faith and hope for the future. This means that no matter how far apart they are, they will always look towards each other. Just like sunflowers always facing the sun.
The meaning of sunflower in work
Sunflowers are often given at opening ceremonies, Tet holidays, and housewarming days with the hope of bringing luck, happiness, strength, and a bright future.
The meaning of sunflowers in Tet
Sunflowers on Tet days are meant to bring joy, health, and prosperity to the homeowner. Therefore, there are many sunflower baskets displayed in many homes because of the above meaning. Many people also take this beautiful flower as a gift to relatives and loved ones as if sending best wishes to them.
The meaning of sunflowers on the wedding day
Sun flowers are often decorated at weddings and are also the bride’s hand flower. On the most important days of a person’s life like the wedding day, not every type of flower appears. Therefore, sunflower truly has a very good meaning. This flower symbolizes fidelity, a beautiful love even though it is far away. They also express the best wishes for the bride and groom, hoping that they will be happy together forever.
8/ The medicinal effects of sunflowers
Helps strengthen bones
The first use is to help strengthen bones because it provides a lot of magnesium. It helps protect bones to develop best and function more flexibly. Especially at an aging age, it is extremely effective in reducing bone aging.
Skin protection
Eating sunflower seeds can help beautify the skin extremely effectively. Especially when the skin is exposed to UV rays and sunlight. Sunflower essence will protect against harmful effects. From there, you can ensure the best beauty and skin health is maintained.
Has anti-inflammatory effect
Not only that, eating sunflower seeds every day also helps fight inflammation as well as prevent attacks from disease-causing viruses or bacteria on toxic days. In addition, sunflower seeds also supplement vitamin E to help keep the body safest!
Increase cardiovascular health
Eating sunflower seeds is also beneficial for the normal functioning of the cardiovascular system. Beatine contained in sunflower seeds helps limit the production of homocysteine - a sulfuric amino acid responsible for developing problems such as venous or arterial thrombosis, coronary artery disease…
Through this article, Dang Gia Trang Hope you can grow sunflowers yourself to create a colorful small garden. For any further questions, please contact us Hotline 0902.652.099 for immediate answers!
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