When does the hibiscus flower bloom?
An article about the blooming season of hibiscus flowers and the characteristics of short-bracted hibiscus in relation to horticulture. Let's follow the editor to see the specific content!
Hibiscus is a very easy-to-grow flowering plant with a wide variety of horticultural varieties, large flowers, and relatively low maintenance requirements. As long as there is sufficient sunlight, it can bloom frequently, with each flower being exceptionally vibrant and attractive. Nowadays, the flowers of horticultural hibiscus varieties are quite large.
Single-petal hibiscus flower above
Semi-double hibiscus flower above
Double hibiscus flower above
Now there are even hibiscus varieties the size of washbasins, with single, semi-double, or double petals. Hibiscus is an easy-to-grow perennial shrub with plants that can grow over one meter tall and form a large ball-shaped bloom. It can also be trained to look like a lollipop, enhancing its ornamental value.
1. Provide sufficient sunlight
When does the hibiscus flower bloom?
Hibiscus prefers as much sunlight as possible, ideally grown in a full-sun environment, ensuring at least 6-8 hours of direct sunlight per day. It's also important to ensure good ventilation and a higher humidity level, as it enjoys plenty of water.
2. Water properly
When growing potted hibiscus, as long as the soil has good drainage, it needs to be watered frequently, especially when there is plenty of sunlight and good weather. It's necessary to water the potted hibiscus thoroughly every day, ensuring each watering is thorough.
For hibiscus grown in the ground, if there is a period of drought, it's important to supplement water in time. Also, ensure the soil is slightly acidic or neutral, avoiding overly alkaline soil, which is quite crucial.
3. Survive winter safely
Hibiscus is quite cold-tolerant, able to withstand temperatures below minus ten degrees. If the temperature in winter drops below zero, the parts above the ground may wither, but with proper protection, covering the soil surface with 15-30 centimeters of mulch, such as common pine bark, pine needles, or sphagnum moss, can be effective. In spring, when it warms up, the hibiscus can start growing again in April or May.
Of course, many people now grow hibiscus as potted plants. When the temperature drops to below 10 degrees in winter, they move it indoors promptly, and it can also survive the winter safely. However, the winter temperature should not be too high, as this might affect blooming the following year.
The blooming period of hibiscus is long, from the hottest part of summer until before the weather cools down in autumn. As long as the weather remains warm, it can continue to bloom.
Hibiscus also produces a large number of flowers. It belongs to the Malvaceae family, most of which produce a lot of flowers, with blooms that have a faint fragrance.
The advantages of hibiscus are indeed numerous, being both heat and cold-tolerant. It can survive outdoors in temperatures as low as minus ten degrees, making it suitable for cultivation in both northern and southern regions.
4. Pruning considerations
For potted hibiscus, if you don't want the branches to grow too tall, you can prune appropriately during the winter each year. You can trim back the overly long branches to maintain a certain height, allowing it to concentrate on flowering and improving the ornamental effect. After each pruning, new branches will grow from each cut, ensuring a denser and more abundant bloom.
5. Fertilizing techniques
In summer, when hibiscus starts to develop flower buds (flower buds appear), you should start spraying potassium dihydrogen phosphate every 5-7 days at a concentration of 1000-1500 times. If you don't fertilize during the blooming period, it may lead to the falling of flower buds or a reduction in flower production.
In spring, summer, and autumn, you can apply a thin layer of fertilizer frequently, supplementing with water-soluble fertilizer every week. For hibiscus grown in the ground, you can dig a large hole in the ground, fill it with loose and breathable soil, and add a base fertilizer, such as decomposed sheep manure or chicken manure. It's important to separate the fertilizer from the roots with some soil to avoid direct contact, ensuring sufficient nutrient supply for growth.
Here is a comprehensive introduction to the blooming season of hibiscus and the characteristics of short-bracted hibiscus by the Green Plant Enthusiast website, hoping to provide green plant enthusiasts with some relevant knowledge.