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How to grow Pyrostegia venusta

How to grow Pyrostegia venusta


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An explosion of colors, from red to orange, in your garden may be due to the flowering of Pyrostegia venusta, a climbing plant whose name is not exactly easy to remember but which strikes the eye and makes you fall in love. Let's get to know it better and above all to understand how to cultivate it Pyrostegia venusta in our area, also defending it from the attacks of its enemies.

Pyrostegia venusta: characteristics

We are talking about a perennial and evergreen herbaceous plant belonging to the Bignoniaceae family. It is not native to Europe, least of all from Italy, but comes to us from overseas, from America, a continent where it is quite widespread, especially in Florida, in southern Brazil where it is also called "plant that attracts hummingbirds" due to its bright colors that probably impress these birds as well as us.

What characterizes this plant is its cascading development. It has a solid and robust root, collated, from which many stems start which in turn divide into numerous branches and can reach a length of up to 20 meters. These are branches or more than anything else stems that are not totally rigid but have one semi-woody consistency at first, when they are close to the roots, and then slowly lose solidity and become almost herbaceous in the terminal part. They are covered by many dark green but glossy leaves, oval or lanceolate and of a length that can range from 5 to 7 cm. Usually these leaves sprout in pairs, one opposite the other with respect to the stem.

In autumn and spring the Pyrostegia venusta it blooms and gives us gods colorful bunches. In fact, its flowers come together in a cluster but individually have a tubular shape and can take on various colors, all the shades that exist to go from red to orange. Their corolla is made up of 5 lobes folded in on themselves that make the flower seem a bit folded in on itself and almost shy, reminiscent of the Bignonia.

How to cultivate Pyrostegia venusta: soil, exposure and fertilization

Although it is not originally from Italy, the Pyrostegia venusta it adapts well to our Mediterranean climate and does not turn out to be a plant with a thousand pretensions. For example, as regards the soil, it has no preferences whatsoever and adapts to any type of soil as long as it is fertile and well drained. In the period before flowering it will then be fertilized every 8-10 days with a specific liquid fertilizer for green plants. If we prefer to use a slow-release product, we can alternatively distribute some at the foot of the plant every 4 months. When we decide to adopt a Pyrostegia venusta in our garden, let's choose a suitable position so that it can flower at its best, in all its splendor.

This translates into putting it in the sun, in full sun, for many hours a day, which is why Italy is also a good country to grow it in, even if it is not South America or Florida. If we are in an area where temperatures can drop in a "not very Mediterranean" way, let's remember to place the plant in a place where it cannot be disturbed by currents and wind, and close to a south-facing wall.

How to water the Pyrostegia venusta

Since it stays in the sun a lot, if we have entrusted it with the right position, this plant should be watered a lot, especially during the summer or in general if we are in a period when it rains too little. But be careful to always proceed reasonably because i water stagnation they are lurking and are very harmful. The advice is to check that the soil is dry before watering, so it means keeping the rhythm of about one watering per week or a little more.

Twice a year is also necessary prune the Pyrostegia venusta. In spring, at the beginning of the summer, it is important to eliminate all dry branches or those that have been damaged, to make room for new leaves and flowers, and for branches that are just waiting to grow. And then a second pruning must be performed after flowering and this time by cutting the branches that brought the flowers to 30 cm from the base.

Multiplication of Pyrostegia venusta

The method to follow to multiply the Pyrostegia venusta it is the one for semi-woody branch cutting. This means that we have to get the cutting ourselves, at the right time, and then grow it well. We take some well-sharpened shears, disinfect them and then use them to cut parts of branches about ten centimeters long. These final branch portions are to be dealt with first rhizogenic powder and then to be placed in a container full of a mix of peat and sand to be placed in a protected place and with a temperature of about 20 ° C. It is important not to abandon the cuttings at this stage but rather to ensure that the substrate in which they grow is always moist, at least until the new leaves appear. At that point the seedlings begin to bulk up and grow until they are ready to stand alone in their own pot for at least a year.

Diseases and parasites of Pyrostegia venusta

Like all plants that belong to the family of the Bignoniaceae, our Pyrostegia venusta it suffers from attacks especially from aphids and rust. It is also very sensitive to water stagnation so we must be good at dosing watering throughout its life but especially when it is still developing


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