Do hydroponic tulips need to be changed water?
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How to hydroponically culture and care for tulips?
Tulips, also known as "foreign lotus", "dry lotus", "grass musk", "tulip fragrance", "red and blue flowers", and "purple incense", belong to the genus Tulipa in the Liliaceae family. Tulips are perennial herbaceous plants with bulbs that are obliquely conical or obliquely ovate, about 2 cm long. The tulip flower stem is about 6-10 cm tall, with single flowers at the top of the stem, large, upright, and woody, often with a black-purple base. Flower shapes include cup-shaped, bowl-shaped, ovate, spherical, etc., with single or double petals. Flower colors range from white, pink, magenta, purple, brown, yellow, orange, etc., with varying shades. The blooming period of tulips is generally from March to May, with an optimal growth and flowering temperature of 15-20°C. Tulips are long-day flowers that prefer a warm and humid climate in winter and a cool and dry climate in summer.
1. Hydroponic method
(1) The key to hydroponic tulip cut flowers is to select healthy and disease-free bulbs.
(2) Prepare a leak-proof tray, place the tulips in the tray, and maintain a root temperature of 8°C with humidity between 60% and 70%.
(3) After about 2 weeks, when the roots of the tulips grow to more than 3 cm, move the tray to a greenhouse. Keep the temperature at 15-20°C, humidity at 60-70%, and add nutrient solution. The image shown is a hydroponic tulip.
2. Care guide
(1) Light: Tulips love light. Insufficient light will cause poor plant growth, leading to bud drop, weak plants, pale flower color, and shortened blooming period. However, shading is needed for half a month after hydroponics to facilitate new root development, and after seedlings emerge, appropriate lighting should be increased to promote bud formation and coloring. After the buds are colored, prevent direct sunlight to extend the blooming time.
(2) Fertilization: Depending on the growth of the tulips, fertilize the leaves to coordinate the growth of vegetative and reproductive parts.
(3) Changing water: During the growth of tulips, a layer of oil film will form on the surface of the water in the tray, affecting normal growth and causing the roots to turn brown. Therefore, change the water 2-3 times depending on the situation.
Hydroponic tulips can be divided into three stages from bulb rooting and sprouting to flowering: sprouting stage, vegetative growth stage, and flowering stage.
① Sprouting stage management: Fill the pot containing bulbs with tap water so that the roots are fully immersed. Place the pot in a well-lit indoor area (best on a windowsill) and maintain a room temperature of about 13°C. In 4-7 days, you can see the roots and sprouts, then entering the vegetative growth stage.
② Vegetative growth stage management: During the growing period, tulips grow very fast and require a lot of water to keep the roots immersed. The optimal growth temperature is 15-18°C, and it should not exceed 25°C. Low temperatures will delay flowering, and high temperatures will cause lush growth. Due to the phototropism of plants, to keep the flowers growing upright, the pot needs to be turned frequently. After 2-3 weeks of growth, when the number of leaves reaches 3-4 and the flower bud appears at the top of the flower stem, it enters the flowering stage.
③ Flowering stage management: For tulips entering the flowering stage, maintain the growth temperature at 15-18°C. After 5-7 days, you can see the flower buds open with bright colors. After flowering, to extend the blooming time, it is best to move the pot to a cool place in the room, usually with a blooming period of 2-3 weeks.
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