Pyrostegia venusta cultivation


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There Pyrostegia venusta is a climbing plant that produces beautiful clusters of bright red or orange flowers.


Features Pyrostegia venusta

There Pyrostegia it is a perennial and evergreen herbaceous plant of the Bignoniaceae family native to America, widespread above all in Florida, southern Brazil and the Mediterranean regions. In the regions of origin, the plant is called “plant that attracts hummingbirds“.


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There plant it has a climbing habit with a cascading effect, it has a robust fasciculated root from which numerous variously branched stems originate, even more than 20 meters long.

THE drums semi-woody at the base and herbaceous in the terminal part are covered with many glossy dark green leaves.

The leaves, oval or lanceolate, 5 – 7 cm long, they are arranged on the stems in pairs, one opposite to the other. They have a coriaceous lamina with marked ribs, entire margin and pointed apex.


THE flowers, about twenty, with a tubular shape and orange-red color, form showy and gaudy cluster inflorescences. The corolla of the flowers is composed of 5 lobes folded back on themselves which give the flower a closed and pendulous appearance. Two long filamentous stamens protrude from the center of the tubule. The flowers in shape, color and size recall those of the Bignonia.

THE fruits they are elongated capsules containing fertile seeds.



Pyrostegia blooms in the spring – autumn period and sometimes up to the middle of the winter season, so much so that it is called winter bignonia.


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Pyrostegia cultivation


This vigorous climbing vine requires locations in full sun for many hours a day to flower profusely. In areas with a colder climate, the plant should be placed in places sheltered from the wind, possibly close to a wall facing south.


Pyrostegia adapts to any type of medium-textured, fertile and well-drained soil.


In summer and during periods of prolonged drought, the plant should be watered regularly, avoiding water stagnation and letting the soil dry between one watering and the next; generally it is sufficient to intervene 1-2 times a week.



Every 8-10 days, give a specific liquid fertilizer for green plants, diluted in the watering water; alternatively, every 4 months, distribute a slow-release fertilizer balanced in macro and microelements at the foot of the plant in order to favor the regular growth of the plant and flowering.

Pyrostegia venusta: cultivation in pots

It is a perfect plant for giving color to balconies and terraces and therefore easy to grow even in pots. It will form hanging cascades if placed close to the railing or grids against the walls.

It should be grown in a large and deep pot containing a porous and very well drained, light soil. The pot should be placed in an area sheltered from currents and cold, with a minimum temperature of 10-13 ° C. At lower temperatures, it should be sheltered in a bright place.

It must be done in spring, before the vegetative restart when the roots of the Pyrostegia have occupied all the available space and also come out of the drainage holes of the pot. A larger container and new potting soil will allow the roots to grow smoothly.


Multiplication Pyrostegia venusta

The plant propagates by seed but can be easily multiplied by semi-woody branch cutting.


It is done in spring by burying the seeds 0.5 cm deep in suitable soil rich in nutrients. The sowing box is placed in a warm and bright place. Once germination has taken place, the young seedlings are left to strengthen and when they reach a height of a few centimeters, they can be planted permanently. together with a brace in their final location, waiting for them to grow and begin climbing.

It may be useful to place a stick nearby to make it cling to the first few times. By performing the seed method, the new plant may not maintain the same characteristics as the parent plant.

Propagation by cuttings

Multiplication by cuttings has the advantage of reproducing plants with the same characteristics as the adult specimen. With well-sharpened and disinfected shears, portions of branches 10 cm long are removed; the cut ends are first treated with rhizogenic powder (rooting hormone) and only then are they rooted in a container full of peat and sand.

The box with the Pyrostegia cuttings must be placed in a place with a temperature of about 20 ° C and the substrate must always be kept moist until the new leaves appear.

When the new plants are robust enough they should be transferred individually to pots and raised in them for at least 1 year.

Planting or planting

Pyrostegia a should be planted in spring, in deep holes about twice as wide as the bread of earth surrounding the root system. The soil must be fertile and rich in organic substance, preferably enriched with a little mature manure or with slow release fertilizer. At the time of implantation it is advisable to provide support to allow the stems of the plant to climb.


Pruning of Pyrostegia

The plant should be pruned twice a year: the first pruning is done at the beginning of spring by cutting off the dry and damaged branches at the base; the second pruning should be done after flowering by cutting the branches that have brought the flowers, 30 cm from the base. The tool must be sharp and disinfected several times with a flame or bleach.


Pests and Diseases Pyrostegia

The plant, like the other Bignoniacee, is subject to attacks by black aphids that colonize the younger leaves and especially the budding flowers. The leaves are sensitive to rust which manifests itself as brownish necrotic spots. Furthermore, Pyrostegia suffers from root rot if the soil is poorly draining.

Cures and treatments

In regions with severe winters, Pyrostegia should be protected at the base with a mulch of straw or dry leaves.

The parasites must be contrasted with specific broad spectrum products based on copper and horsetail. Against aphids you can also use organic products such as the nettle pesticide or the garlic pesticide, easy to prepare even at home. The treatments go in the early hours of a sunny and not windy morning.


Pyrostegia is an ornamental climbing plant which, due to its exuberant and vigorous growth, the abundant and prolonged flowering, is widely used to cover fences, retaining walls, escarpments, railings and pergolas.

In the places of origin the plant is a symbol of wealth and prosperity and for this reason it is grown as a lucky charm in the garden of one’s home, near the door.

English name of Pyrostegia

In England the plant is commonly called Flame vine, in reference to the color of the flowers.


The name Pyrostegia derives from the Greek pyrós (fire) and stéga (roof) terms that refer to the color of the flowers and the shape of the upper lobe of the corolla.

Photo gallery Pyrostegia


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