Handroanthus chrysanthus (golden trumpet tree) profile

Handroanthus chrysanthus, commonly known as Golden Trumpet Tree, is a deciduous tree of the Bignoniaceae Campanula genus with a height of up to 5 meters. Handroanthus chrysanthus is native to Mexico, Central and South America and is the national flower of Brazil.

Handroanthus chrysanthus (Golden Trumpet Tree) will change the tree with the change of seasons. In spring, the branches and leaves are sparse, and beautiful yellow flowers will bloom around the Ching Ming Festival; in summer, the leaves grow and produce pods; in autumn, the branches and leaves are prosperous, and a green scene; in winter, the dead branches and leaves present a bleak beauty. This is handroanthus chrysanthus in spring, summer and autumn. , Dongsuo shows different unique styles.

Handroanthus chrysanthus picture

Handroanthus chrysanthus info

Botanical Name	Handroanthus chrysanthu
Common Names	Golden trumpet tree
Plant Type	Trees
Water Req	Requires consistently moist soil; do not let dry out between waterings
Mature Size	Height: 25 - 50 feet. Width: 25 - 50 feet
Sun	Full sun
Bloom color	Bright yellow
Bloom time	Late Winter/Early Spring Mid Spring
Soil	6.1 to 6.5 (mildly acidic) 6.6 to 7.5 (neutral)
Foliage color	Chartreuse/Yellow
USDA	9 - 11

 

Handroanthus chrysanthus Morphological characteristics

Handroanthus chrysanthus (Golden Trumpet Tree) deciduous tree, 4-5 meters high, the bark has deep cracks, the stems and branches are light, soft and slender; the leaves are opposite, the paper is sparsely serrated, palm-shaped compound leaves, long stalk, 4-5 small leaves, Five-lobe whorls, ovate-elliptic, whole or sparsely toothed, the whole leaf is covered with fine brown hairs, the tip is pointed, and the leaf surface is rough;

Handroanthus chrysanthus (Golden Trumpet Tree) panicle, terminal, bisexual, calyx tube tubular, irregularly dehiscent, corolla golden yellow, funnel-shaped, 2.5-8 cm long, also like a bell-shaped, five-lobed, fringed flower, but bilaterally symmetric Flower, sweet fragrance, 4 stamens, two strong, not prominent; ovary two compartments;

The fruits of chrysanthus flower (Golden Trumpet Tree) are follicles, which are long and dehiscing downwards. They are 18-25 cm long. There are many hairs to facilitate seed dispersal. The seeds are winged; first flowers and then leaves, blooming between March and April in spring, with a short flowering period , About 10-15 days.

Handroanthus chrysanthus Growth habit

Handroanthus chrysanthus (Golden Trumpet Tree) loves high temperatures. The best growth temperature is 23-30℃, and the lowest temperature is not lower than 5℃. It is only suitable for cultivation in tropical and subtropical regions in China. The winter in the northern part of South China is cold, rainy and humid, so be careful of cold damage. The best cultivation soil is sandy loam rich in organic matter. Good drainage and sunshine are required.

Handroanthus chrysanthus Variety classification

Chrysanthus flower, Latin name Tabebuia chrysantha. Plant kingdom; Angiosperm; Dicotyledon; Tubular order; Bignoniaceae; Campanula; Yellow-flowered Campanula species.

Handroanthus chrysanthus propagation method

Chrysanthus flower (Golden Trumpet Tree) is only suitable for cultivation in tropical and subtropical regions in China. It can be propagated by sowing, cutting or high-pressure method, but it is mainly sowing, and spring and autumn are the suitable time. The best cultivation soil is soil rich in organic matter or sandy soil. Sex loves high temperature, suitable temperature for fertility is 23-30℃.

How to grow and care for Handroanthus chrysanthus

Temperature care

Handroanthus chrysanthus (Golden Trumpet Tree) grows at a temperature of 23-30℃ and is not cold resistant. In China, it is only suitable for cultivation in tropical and subtropical areas. In the seedling stage also requires strong light, especially in the greenhouse environment for sowing seedlings, easy because of insufficient light and ventilation caused by weak seedling growth and cataplexy disease.Therefore, after seed germination and true leaf expansion, it is necessary to ensure that the shading rate of the growth environment is not more than 50%, while maintaining adequate ventilation. 

Soil fertilization care

Cultivation of large seedlings of Handroanthus chrysanthus (Golden Trumpet Tree) nursery should choose loose and fertile soil, irrigation and drainage of good places, do a good job of planning and finishing the drainage and irrigation water ditches, about 3000 plants per mu planting, planting each hole under 250 grams of compound fertilizer or 1 kg of organic fertilizer as base fertilizer, base fertilizer should be mixed with soil and then sow seedlings. Seedling, to remove the seedling bag, plant compaction. 

Plant strapping

Handroanthus chrysanthus (Golden Trumpet Tree) grows fast in seedling stage, and its trunk is soft, easy to lodge and sprout, and its natural plant type is often poor. To achieve an upright plant form, support bamboos of about 2 meters high should be erected next to the plants from 30 to 50 cm high after planting to guide the plants to grow upright. Bundling the plants once every 50 cm high.

Clip plastic

During the growth period of Handroanthus chrysanthus (Golden Trumpet Tree), it should be pruned and shaped regularly to cut off the low meritized side branches. After falling leaves in winter, a pruning and shaping should be carried out uniformly to cut off the disordered branches, dead branches and even side branches of low plants so as to maintain the straight growth of the main stem. When the trunk grows 1.8-2 meters high, retain the branches on the top to form a crown, after 3-4 years of field cultivation, in the handroanthus chrysanthus as high as 3 meters above, diameter diameter of 4-6 centimeters can go out of the garden green. 

Prevention and control of diseases and pests

Handroanthus chrysanthus (Golden Trumpet Tree) often suffers from the harm of ruffled coffee-breasted longicorn, and surveys the cashew trees three times a year. When the victims are found, they immediately cut open their bark with a sharp knife and take out the longicorn larvae. After the wound is dry, soil is cultivated to promote the growth of adventitious roots and facilitate the recovery of Handroanthus chrysanthus growth. When pests are found, pesticide can be injected into the tunnel with an injector to kill the larvae. 

Handroanthus chrysanthus (Golden Trumpet Tree) is vulnerable to leaf spot and other attacks as new leaves begin to germinate each spring. Leaf spot prevention and control, can use 70% methyl tobujin powder 800 times + yellow leaves a spray of green per pack 15 grams with water 15-20 kg, or 80% mancozeb wettable powder 600 times liquid + yellow leaves a spray of green per pack 15 grams with water 15-20 kg, alternate spray prevention and control;Pests can be controlled by pyrethroid pesticides, such as 10% cypermethrin emulsion 2000 times liquid, or 90% 10,000L WP 2000-3000 times liquid alternately spray control, every 7-10d spray 1 times, even spray 3-4 times that can play a good control effect.

Handroanthus chrysanthus Main value

Handroanthus chrysanthus (Golden Trumpet Tree) has obvious changes in the four seasons, with spring blooming, summer fruit, autumn green, and winter dry, giving the seasons colors. In spring, the wind bell-shaped yellow flower clusters are the indicator flowers when spring comes; the buds that sprout in summer are full of branches and then the samosas are flying; the branches and leaves are luxuriant and the lush green in autumn; the branches and leaves are fallen in winter, full of vicissitudes of life.

Handroanthus chrysanthus (Golden Trumpet Tree) flowers have been cultivated for 3 years and used in gardens, courtyards and other greening. the beautiful flower color and tree shape of the yellow-flowered Campanula are the top grade among the ornamental tree species of flower seedlings. It can be used as a shade tree or street tree in gardens, courtyards, highways, lawns in scenic areas, ponds, and is suitable for planting alone or side by side for viewing. Yellow-flowered Campanula has beautiful tree shape, gorgeous flower color, fast growth and strong adaptability. It is an excellent landscaping tree species.