How Does Verbena tenuisecta Overwinter? A Detailed Guide to Care Methods
In fact, the cold resistance of Verbena tenuisecta is quite good. In winter, it can grow healthily even at minus five degrees, or even around minus ten degrees.
Many Verbena tenuisecta plants in northern regions can spend the entire cold winter outdoors without any problems. However, if you want Verbena tenuisecta to be healthier and more beautiful, some necessary care is still required.
For Verbena tenuisecta, the most suitable temperature for growth is around 15 or 16°C. In addition, it needs suitable light, proper watering - not too much water in winter - and timely fertilizing and pruning.
So? Now you know how to care for Verbena tenuisecta through the winter! It turns out that the little Verbena tenuisecta is actually so tough in winter, and the care methods are all quite simple. So what else do we need to pay attention to when caring for Verbena tenuisecta? Keep reading!
Care Techniques for Verbena tenuisecta
Verbena tenuisecta is a perennial herbaceous plant of the genus Verbena in the family Verbenaceae, native to the tropical regions of the Americas, and is usually grown as a potted plant. In recent years, the Changsha area has introduced and cultivated it as a flowering ground cover. Through several years of cultivation experiments, the author deeply feels that in urban green spaces, especially in the arrangement of large flower beds, Verbena tenuisecta is well worth promoting.Verbena tenuisecta can be planted throughout its growing period, but May to June and September are best, as the survival rate is high and the propagation speed is fast at these times. Verbena tenuisecta has no strict requirements for soil, but sandy loam free of bricks and stones is best. Before planting, apply base fertilizer at a rate of 500g/m2, then level and rake the soil flat. Both rooted plants of Verbena tenuisecta and freshly cut stem segments can be used for planting. Spread the planting material evenly over the prepared soil surface, cover with 1 cm to 2 cm of soil, water thoroughly, and thereafter spray water frequently every day. Generally, after half a month they will have taken root and begun to propagate.
Watering: Verbena tenuisecta has a shallow root system and is not tolerant of drought. It must not lack water during the growing period, especially during the hottest days of summer, otherwise it will bloom less. However, too much water and fertilizer, especially waterlogging, can easily cause excessive leggy growth and affect the overall effect, so watering should be done with good judgment. Generally, water less in winter and spring, and never let it lack water in summer and autumn. During the flowering period, watering in the evening is best, as any plants flattened by heavy water can gradually recover at night without affecting the daytime ornamental effect.
Fertilizing: The overall height of Verbena tenuisecta is best kept below 20 cm. Therefore, do not fertilize too much, especially not too much nitrogen, otherwise the branches will grow leggy and the overall effect will be affected. Applying sufficient base fertilizer at planting time is key; afterward, simply covering with 1 cm of leaf mold soil each winter to supplement the base fertilizer is enough. To encourage abundant flowers, you can also spray once a month during the flowering period with 1‰ urea and 1‰ potassium dihydrogen phosphate.
Hoeing and Weeding: Once Verbena tenuisecta has taken root, weeding should begin, as weeding at this time saves labor and time and is effective. Doing a careful weeding again the following spring can basically control weed growth. Every spring, when Verbena tenuisecta begins to sprout, hoeing in time to loosen the surface soil is beneficial to its growth. In addition, during the summer heat and autumn drought, proper hoeing can ease the drought and increase the chance of tillering. Dodder may grow in Verbena tenuisecta flower beds. This malignant weed spreads rapidly within a few days and is quite difficult to completely remove. At present there is still no effective chemical control, and biological control is also not ideal. Therefore, you should observe carefully, and once found, immediately put great effort into manual removal, never leaving any hidden danger. Especially in spring and autumn, you should pay even more attention to observation, as this is also the most effective period for controlling dodder. If the dodder grows rapidly and has become difficult to remove completely, the affected area should be dug out locally and replanted.
Pest and Disease Control: Verbena tenuisecta has strong resistance, and in the author's several years of cultivation it has never been infected by pests or diseases. However, according to the principle of "prevention first, integrated control," regular spraying is still advisable, generally 1‰ omethoate plus 1‰ dichlorvos.
Height Control: Verbena tenuisecta is beautiful for its abundant bright flowers and its low, neat, uniform mass. To control the overall height during the growing period, besides controlling water and fertilizer, the following measures are also feasible: first, spray 500ppm paclobutrazol once a month during the growing period, which can keep the plants below 20 cm; second, if the mass is already too tall and not very attractive, you can cut it flat, trimming it short and even, then cover with 1 cm of leaf mold soil, and it can recover within a month.
Using Verbena tenuisecta to arrange flower beds has many advantages: it is a perennial root flower, so there is no need to replace the flowers, thus reducing workload; it has strong cold resistance and can overwinter safely in the Changsha area; it tolerates severe heat, and in the hot summer, as long as the soil is kept moist, it can still bloom abundantly and flourish; it has a long flowering period, and in the Changsha area, Verbena tenuisecta blooms from mid-April to mid-November without pause; it has a good mass effect, is easy to propagate and renew, is not picky about soil, and has very few pests and diseases.
(Reporter: Anonymous)
Winter Care and Management of the Garden Plant Verbena
Verbena is a common ornamental flowering plant, deeply loved by flower enthusiasts whether grown as an indoor potted plant or planted in the ground in courtyards. Even in a courtyard overgrown with weeds and full of blooming flowers, its dazzling presence cannot be concealed. Verbena comes in a variety of flower colors, and its blooming period is extremely charming and beautiful.Morphological Characteristics:
Verbena is a perennial herbaceous plant with graceful posture, rich flower colors, and brilliant hues; when in full bloom it looks like a sea of flowers, making people linger. Verbena has a short, dense plant cluster with abundant, brightly colored flowers. It is often cultivated as an annual or biennial. The stem is four-angled, spreading horizontally, prostrate in habit, low and sturdy, growing in clumps and covering the ground, with gray soft hairs all over the plant, reaching 30-50 cm in length.
The leaves are opposite with short petioles, oblong, ovate, or lanceolate-triangular, with incised coarse teeth or neat rounded blunt serrations along the edges, and the leaf base often has clefts. The spike inflorescence is terminal, with many small flowers densely arranged in a corymb-like shape. The bracts are nearly lanceolate, the calyx is slender and tubular with 5 lobes at the tip, and the corolla is funnel-shaped, about twice the length of the calyx tube, with 5 lobes at the tip and the lobe tips indented. There are many flower colors, including white, pink, deep red, purple, blue, and other different colors, as well as bicolor varieties, with a slight fragrance. The flowering period is long, from May to November, blooming continuously from April until before frost. The fruit is a capsule, ripening from September to October, and the seeds remain viable for 2 years.
Growth Habits:
It likes sunlight and is not tolerant of shade; it is relatively cold-tolerant, poor in shade tolerance, and not drought-tolerant. It grows in sunny, loose, and fertile soil and blooms abundantly. It likes a warm and humid climate, likes sun, and is not drought-tolerant. It has no strict requirements for soil, but in loose, fertile, and relatively moist neutral soil it can root at every node, grow robustly, and bloom abundantly.
Overwintering Management:
Light: Verbena is a light-loving plant, so in winter it should be kept in a sunny place for care, and before frost it should be moved indoors to a sunny spot. Verbena must be given sufficient sunlight to produce large, brilliant flowers; if light is insufficient, the plant tends to grow leggy and the flowers are sparse.
Temperature: Verbena is also relatively cold-tolerant but not tolerant of frost. In winter, when the temperature drops below 4°C, it enters dormancy or dies. The most suitable growth temperature is 15-25°C.
Watering: In winter, watering should be controlled, and it is best to keep the potting soil slightly dry. You can spray water on the leaves to maintain air humidity.
Fertilizing: Verbena likes fertilizer and moisture. In addition to base fertilizer, a thin liquid fertilizer can be appropriately applied as a top dressing in winter.
Potting Soil: For potted plants, the growing medium should be a loose, fertile culture soil with good drainage. Before planting, apply decomposed organic fertilizer and some calcium superphosphate to the bottom of the pot as base fertilizer.
Pest and Disease Control: The main problems are powdery mildew and downy mildew, which can be sprayed with 70% thiophanate-methyl wettable powder at 1000 times dilution. Pests include aphids and whiteflies, which can be killed by spraying with 2.5% rotenone emulsifiable concentrate at 1000 times dilution.