What are the propagation methods for Gaillardia? A detailed guide to practical propagation techniques
Cuttage propagation
Cuttage propagation is also a relatively simple propagation method. The material to be selected for cuttage is called a cutting, and the cutting is usually the top shoot that grows well and is free of pests and diseases. The temperature during cuttage should be kept between 18°C-25°C. The cut end of the cutting should be disinfected; if the temperature is too high, it can also easily cause infection of the cut end. At the same time, if low-temperature weather occurs, it can be covered with plastic film to raise the ambient temperature. Shading is also necessary, and more than half of the sunlight should be blocked.
Seed propagation
Seed propagation is often carried out in summer. Before sowing, the seeds and substrate should be treated. The substrate should be disinfected to achieve the effect of killing pests and diseases. The seeds should first be soaked in warm water for 3-10 hours, depending on the situation; as long as the seeds swell, it is enough. Some seeds are relatively small and difficult to sow by hand, so they can be held with tweezers and placed on the surface of the substrate. After all sowing is completed, a layer of substrate should be added, about 1 cm thick.
After sowing, you can choose to use a spray bottle to gently moisten the substrate, which can prevent the seeds from being washed out due to too strong watering. Finally, cover with plastic film. After sowing is completed, when the seedlings emerge, the plastic film should be uncovered, and the seedlings should be given light at regular times, taking care to avoid strong light. For example, they can receive light before nine o'clock.
If you are interested in Gaillardia, you must not miss its flowering period!
Propagation methods for Gaillardia
Propagation methods for Gaillardia
There are generally three propagation methods for Gaillardia, namely sowing and cuttage. The most commonly used and most familiar one is the sowing method. Let's learn about them separately.
Seed propagation
Seed propagation is often carried out in summer. Before sowing, the seeds and substrate should be treated. The substrate should be disinfected to achieve the effect of killing pests and diseases. The seeds should first be soaked in warm water for 3~10 hours, depending on the situation; as long as the seeds swell, it is enough. Some seeds are relatively small and difficult to sow by hand, so they can be held with tweezers and placed on the surface of the substrate. After all sowing is completed, a layer of substrate should be added, about 1 cm thick.
After sowing, you can choose to use a spray bottle to gently moisten the substrate, which can prevent the seeds from being washed out due to too strong watering. Finally, cover with plastic film. After sowing is completed, when the seedlings emerge, the plastic film should be uncovered, and the seedlings should be given light at regular times, taking care to avoid strong light. For example, they can receive light before nine o'clock.
Cuttage propagation
Cuttage propagation is also a relatively simple propagation method. The material to be selected for cuttage is called a cutting, and the cutting is usually the top shoot that grows well and is free of pests and diseases. The temperature during cuttage should be kept between 18°C~25°C. The cut end of the cutting should be disinfected; if the temperature is too high, it can also easily cause infection of the cut end. At the same time, if low-temperature weather occurs, it can be covered with plastic film to raise the ambient temperature. Shading is also necessary, and more than half of the sunlight should be blocked.
Precautions for propagating Gaillardia
After seed propagation, note that after the seedlings emerge, the plastic film should be removed and appropriate light should be given. The light period should avoid the strong light period at noon, generally before 9 a.m. and after 3 p.m.; during the period in between, they should be placed in a cool place. After the seedlings grow one after another, appropriate thinning should be done, that is, pull out the poorly growing seedlings to leave growing space, sufficient water, and nutrients for the well-growing seedlings.
During cuttage, the temperature should be controlled. If the temperature is too low, it is not conducive to the growth and survival of the cuttings after cuttage; if the temperature is too high, it will cause bacteria to infect the cut ends of the cuttings. After cuttage, appropriate shading should also be done, with a shading effect of more than about half, and when the temperature is high, the frequency of spraying water should be increased.
Gaillardia, cultivation methods for Gaillardia, care knowledge for Gaillardia
Today, Flower and Bonsai Network shares with you an article about Gaillardia, cultivation methods for Gaillardia, and care knowledge for Gaillardia. Let's take a look.
Introduction to Gaillardia
Gaillardia(scientific name:Gaillardia pulchella), also known asBlanket Flower、Tiger Blanket Flower(Shanghai),Center Flower、Annual Gaillardia, is a plant of the genus Gaillardia in the Asteraceae family. It is distributed in North America, tropical America, and the American continent, and is native to the central United States. It is an annual plant with a very short growth period and has currently been introduced and cultivated artificially.
Gaillardia is the state flower of Oklahoma in the United States, and also the county flower of Penghu County, Taiwan Province, China.
Gaillardia is tolerant of drought and heat, not cold-resistant, likes sunlight, and is also tolerant of semi-shade. It is suitable for loose soil with good drainage. Gaillardia is wind-resistant, moisture-resistant, highly tenacious, and has drought-tolerant characteristics, making it a good windbreak and sand-fixing plant.
Gaillardia is the state flower of Oklahoma in the United States, and also the county flower of Penghu County, Taiwan, China.
Morphological characteristics of Gaillardia
Gaillardia is an annual herbaceous plant. The plant is about 20-60 cm tall, and the whole plant is covered with soft hairs. The leaves are alternate, lanceolate, oblong to spatulate, with entire margins or the basal leaves pinnately lobed. Petal-like, the tips of the ray florets are yellow, and the base is brownish purple. The flowering period is summer and autumn.
The cultivated variety of Gaillardia, Annual Gaillardia, has ray florets and even the tubular florets in the center of the flower head developed into funnel shapes, and there are large-flowered and red-flowered varieties.
Gaillardia blooms from July to October, and the fruit ripens from August to October.
The flower of Gaillardia belongs to the "flower head," and "one flower" is actually "a bunch of flowers," because it contains many ray florets and tubular florets. The ray florets on the outside are colorful, like a landing pad attracting insects to come; the tubular florets in the middle look like small round balls. After the ray florets wither, this part will develop into a seed cluster, and the seeds inside will then drift with the wind, fall to the ground, and grow. In addition, some Gaillardia ray florets grow into tube shapes, looking like curved little trumpets; some varieties of Gaillardia have entire flowers in tender yellow, with a unique charm; and the leaves and soft hairs of Gaillardia are also worth observing.
Ecological habits of Gaillardia
Gaillardia prefers a high-temperature, dry, and sunny environment. It has good salt tolerance, resistance to strong winds, good drought tolerance, good cold tolerance, and slightly poor shade tolerance.
Gaillardia is native to North America. It is tolerant of drought and heat, not cold-resistant, likes sunlight, and is also tolerant of semi-shade. It is suitable for loose soil with good drainage. It is wind-resistant, moisture-resistant, highly tenacious, and has drought-tolerant characteristics, making it a good windbreak and sand-fixing plant. If grown in acidic soil, it is not only difficult to obtain strong seedlings, but in midsummer the lower leaves wither. It grows quickly, so fertilizer should be applied early, and the phosphorus and potassium ratio should be somewhat higher.
Cultivation techniques for Gaillardia
Gaillardia has good cold tolerance and no special requirements for soil, but sandy soil and well-drained soil are most suitable for its growth, and it does not like moisture. Its drought tolerance is very good, and it can grow well in a sunny, dry, and hot climate. From summer to late autumn, it is commonly seen in felt-grass fields and along several miles of roadsides. In horticulture, removing flower buds can promote further blooming of Gaillardia. In winter, the aboveground parts wither, and the roots remain underground to overwinter, then sprout again in spring.
Gaillardia can be propagated by sowing, division, and cuttage, while root cutting requires a certain level of skill.
Many cultivated varieties of Gaillardia have been bred, mainly cultivated varieties with red-yellow alternating disc florets. The recently bred cultivar "Sundance Bicolor" has flower heads with alternating red and yellow colors. Because its colors are bright, it is suitable for planting in sunlight. The flower shape of this cultivar is very similar to that of the genus Chrysanthemum. The Plume series of Gaillardia has a double-flowered form, similar to cornflower.
Seed propagation
Sowing is often carried out in summer. Disinfect the substrate used for sowing; the best method is to put it in a pot and heat it by stirring, so that any pests and diseases are killed by the heat. Soak the seeds in warm water (at a temperature similar to face-washing water) for 3-10 hours, until the seeds absorb water and swell. For very common seeds that germinate easily, this step can be skipped. For tiny seeds that are difficult to pick up by hand or with other tools, you can moisten one end of a toothpick with water and stick the seeds one by one onto the surface of the substrate, then cover with substrate 1 cm thick. Then place the sowing pot into water, with the water depth at 1/2-2/3 of the pot height, and let the water slowly soak up. For larger seeds that can be picked up by hand or with other tools, directly place the seeds into the substrate and sow them in spots at a spacing of 3 x 3 cm. After sowing, cover with substrate at a thickness 2-3 times that of the seeds. After sowing, use a sprayer or a fine-hole watering can to moisten the sowing substrate. Later, when the potting soil is slightly dry, water again, still taking care not to water too forcefully, so as not to wash the seeds out; Management after sowing: After sowing, when the seedlings emerge, promptly uncover the plastic film, and let the seedlings receive sunlight before 9:30 every morning or after 3:30 in the afternoon, otherwise the seedlings will grow very weak; after most of the seeds have sprouted, appropriate thinning is needed: pull out the diseased and unhealthy seedlings so that the remaining seedlings have a certain amount of space between them; when most of the seedlings have grown 3 or more leaves, they can be transplanted into pots.
Cuttage propagation
The branch used for cuttage is called a cutting. Usually, in combination with pinching, the thick, pest-free and disease-free top shoots that are removed are used as cuttings, directly using the top shoots for cuttage. After cuttage, the following management points should be noted: Temperature: The optimal temperature for rooting of cuttings is 18°C-25°C. Below 18°C, the cuttings root with difficulty and slowly; above 25°C, the cut ends of the cuttings are easily infected by pathogens and rot, and the higher the temperature, the greater the proportion of rot. When low temperatures occur after cuttage, the main measure for keeping warm is to wrap the flowerpot or container used for cuttage with plastic film; when the temperature is too high after cuttage, the main cooling measure is to shade the cuttings, blocking 50-80% of sunlight, and at the same time spray the cuttings 3-5 times a day. On sunny days with higher temperatures, spray more often; on cloudy and rainy days with lower temperatures and higher humidity, spray less or not at all.
Transplanting
When potting young seedlings, first place coarse-grained substrate or ceramsite 2-3 cm thick at the bottom of the pot as a drainage layer, sprinkle a layer of fully decomposed organic fertilizer on top as base fertilizer, about 1-2 cm thick, then cover with a layer of substrate about 1-2 cm thick, and then place the plant in, so as to separate the fertilizer from the root system and avoid burning the roots. The substrate used for potting can be one of the following. Vegetable garden soil: furnace slag = 3:1; or garden soil: medium-coarse river sand: sawdust (mushroom residue) = 4:1:2; or one of paddy soil, pond mud, or leaf mold. Or peat + perlite + ceramsite = 2 parts + 2 parts + 1 part; vegetable garden soil + furnace slag = 3 parts + 1 part; peat + furnace slag + ceramsite = 2 parts + 2 parts + 1 part; sawdust + vermiculite + medium-coarse river sand = 2 parts + 2 parts + 1 part. After potting, water thoroughly once and keep it in a slightly shaded environment for one week. When transplanting young seedlings, first dig the planting hole, sprinkle a layer of organic fertilizer at the bottom of the planting hole as bottom fertilizer (base fertilizer), about 4-6 cm thick, then cover with a layer of soil and place the seedling in, so as to separate the fertilizer from the root system and avoid burning the roots. After placing the seedling in, backfill the soil, cover the root system, and press the soil firm with your foot, then water thoroughly once. Before flowering, generally pinch twice to encourage more flowering branches to sprout; one to two weeks after potting, or when the seedlings are 6-10 cm tall and have six or more leaves, remove the top shoots and keep the lower 3-4 leaves to encourage branching. Three to five weeks after the first pinching, or when the side branches grow to 6-8 cm long, carry out the second pinching, that is, remove the top shoots of the side branches and keep the lower 4 leaves of the side branches. After two pinchings, the plant shape will be more ideal and the number of flowers will also be greater.
Management and care of Gaillardia
Humidity management
It likes relatively high air humidity. If the air humidity is too low, it will accelerate the withering of individual flowers. It is also afraid of rain, and the leaves need to remain dry at night. The most suitable relative air humidity is 65-75%.
Temperature management
Heat-tolerant, not frost-tolerant.
Light management
Likes sufficient sunlight, slightly tolerant of semi-shade.
Fertilizer and water management
Like other herbaceous flowers, Gaillardia has a relatively high demand for fertilizer and water, but it should follow the fertilization (watering) principle of "light fertilizer applied frequently, small amounts with more applications, and complete nutrition," and after fertilizing, keep the leaves and flowers dry at night:
Summer and autumn: This is its peak growth season. Fertilizer and water management follows the cycle of "Flower Fertilizer" - "Flower Fertilizer" - clear water - "Flower Fertilizer" - "Flower Fertilizer" - clear water (at the very least, ensure two applications of "Flower Fertilizer" each week). After entering the flowering period, appropriately control fertilizer to facilitate seed maturation.
Distribution area of Gaillardia
Gaillardia is native to the central United States. It is an annual plant with a very short growth period and has currently been introduced and cultivated artificially.
Gaillardia is distributed in North America, tropical America, and the American continent.
Landscape uses of Gaillardia
Gaillardia is a very good herbaceous plant for sandland greening, beautification, and sand fixation. Its flowers are charming, the colors are brilliant, the flowering period is long, and cultivation and management are simple. It can be used as material for flower beds and flower clusters.
Tending and management: The best cultivation soil is loam or sandy loam. Drainage and sunlight need to be good. If sunlight is insufficient, it will affect flowering and result in poor blooming. Fertilize once a month. The suitable growth temperature is 10-25°C.
Cultural background of Gaillardia
County flower of Penghu County
Gaillardia is the county flower of Penghu County, Taiwan Province, China, and can be seen everywhere in Penghu, so Penghu is called the Island of Chrysanthemums.
The entire Gaillardia plant has soft hairs, which can prevent water loss. This is the main reason Gaillardia can survive in harsh environments.
The leaves of Gaillardia are slender, and the flowers are yellow and red, with a few golden yellow. The flower stems are long and upright; the seeds drift with the wind, fall to the ground, and grow.
It can withstand wind, tolerate drought, resist moisture, and is highly tenacious, making it a good windbreak and sand-fixing plant.
Because of its strong reproductive capacity and vitality, after being introduced from North America, Gaillardia grew vigorously at an astonishing speed in the Penghu Islands and along the central and northern coasts of Taiwan. Today, the beautiful Gaillardia has become one of the scenic attractions of Penghu tourism, and because of its tenacious qualities, it was chosen as the county flower of Penghu.
Poetry quatrain
[Gaillardia]
Author: Yuqiaozi
The strong wind demands the top flower plume,
The achenes fly and stop everywhere.
Expanding territory rewards the wild,
When the flowering period comes, it is fragrant again.
The flower language of Gaillardia
The flower language and symbolic meaning of Gaillardia: unity, working together with one heart.