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Trumpet flower: care and varieties

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Author: Peter Berry
Date Of Creation: 12 February 2021
Update Date: 4 May 2024
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Angel trumpet - grow & care (Brugmansia)
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The American trumpet flower is hardy

Trumpet flower: care and varieties

With its trumpet-shaped, lush flowers, the trumpet flower is a decorative trinket ornament - and by its winter hardiness a recommended alternative to the tropical angel trumpet. What you should know about American beauty and how to best cultivate it, read below.

ancestry

The American trumpet flower, botanical Campsis radicans, which is more relevant to our local garden culture than the Chinese trumpet flower, comes, as the German name suggests, originally from America - more specifically, from the northern to central and eastern areas of the United States. This is also a significant cultural distinction to the angel trumpet is given, with which the trumpet flower is often confused - namely, in contrast to their originating from tropical areas confusion candidate hardy, at least it is the most varieties.

The Chinese trumpet flower has its origins in eastern China and in Japan and is not really hardy.


We often cultivate a hybrid of the American and the Chinese trumpet flower, the large climbing flower (Campsis tagliabuana).

growth

The trumpet flower grows as a woody climbing shrub with Schlingranken that pull themselves up with attachment roots on walls or trellises in the air. It is therefore one of the self-toners and does not necessarily need a rank aid. Its growth is quite strong and depending on the site conditions it can reach a height of up to 10 meters. But this is rather rare, usually it remains at half this height. In the tub culture, it generally remains smaller.

The Great Climbing Trumpet grows as a liana-like shrub and grows as big as the American Trumpet Flower.

The growth characteristics in key words:

leaves

The up to 25 centimeters long leaves of the trumpet flower set against the vines and give off with their unpaired plumage a pretty structural picture. They show themselves at a young stage in a bright, fresh green and later darken slightly. The single leaves have a finely sawn edge and taper towards the end. In autumn, the trumpet flower drops its leaves after turning bright yellow. In spring, she drives her foliage late, from about mid-May.


blossom

Of course, the trumpet flower owes its name to its large, decorative flowers. They are indeed shaped tropmetenartig and are a stately appearance with a length of up to 7 centimeters. Their tubular adhesion in front of the wide-arched funnel at the end is very long. The flowers are at the end of the drive about twenty together in tufts. The resulting, large bales of flowers stand out with their intense color (depending on the variety Scarlet red to sun yellow) attractively from the green foliage.

On the stamens of the easily accessible flower openings, the trumpet flower provides useful and protectable insects such as bees and bumblebees a rich Nektarangebot.

The trumpet flower in keywords:

heyday

The trumpet flower blooms conspicuously late - it develops its main bloom only in August and September over several weeks and can enjoy up to the October into its colored splendor. In good weather conditions, the first flowers may appear in June.

However, until you can look forward to a first flowering after planting, you will have to be patient - the trumpet flower needs about 4 to 5 years until it has sufficiently established itself at this location.

To remember:

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Which location is suitable?

Trumpet flowers prefer a sunny, warm location. It should also be protected from rough wind. It is also advantageous if their base, in contrast to the upper plant area is not exposed to full sunlight. For example, you can shade the root area with a groundcover. However, this should have a loose root system so that it does not restrict the shallow roots of the trumpet flower.

Trumpet flowers thrive best in a generally milder, drier climate than in cool, wet areas. In the south of Germany you can therefore count on better prosperity than in the northern and eastern parts of the country.

At the bottom, the trumpet flower makes no high demands. It should be moderately nutritious, sufficiently moist, relatively clayey, yet permeable. The ph value hardly interests the trumpet flower, it copes with both acidic and alkaline soils.

The location requirement at a glance:

Pour trumpet flower

As a shallow root the trumpet flower demands a very attentive casting practice. Make sure that the root area does not dry out too much and pour regularly, especially in longer periods of dry summer. Depending on the size of the plant, the water requirement is also greater. If you hold the trumpet flower in the bucket, of course, a little more regular watering is necessary. Waterlogging should be avoided as far as possible. Always wait until the potting soil is well dried before pouring again.

Fertilize the trumpet flower properly

Already during the planting, it is advisable to provide the trumpet flower with mature compost in the excavation a permanent source of nutrients. She also does a good composting every spring. But you should not go beyond this organic fertilizer. Avoid using nitrogen-based liquid preparations - they only stimulate growth in size to the detriment of flowering.

cut

Since the trumpet flower generally shows a strong growth, a regular pruning in their care is an essential chapter. To rejuvenate and increase vitality, it is best to first remove all dead, dried branches in the spring. To promote a lush flowering, you also radically shorten all the long side shoots on the main shoots, so that the plant is animated to form new short shoots. Make sure that each bud is preserved.

A trumpet flower also tolerates a radical pruning well. You can reset them completely on the stick - this usually leads to a vigorous re-emergence and acts as an effective, basic makeover. However, you probably have to do without a flower in the following year.

The cutting rules at a glance:

hardy

The American and the large trumpet flower are hardy - so you can confidently cultivate them permanently in outdoor culture. The hardiness is not unlimited. The compatibility limit of the American trumpet flower and the hybrid is about -17 ° C - in extreme winters a cold damage is therefore not excluded. Above all, freshly planted young plants should protect you in the first years in winter with leaves and fir branches in the root area from the cold.

To remember:

Trumpet flower in the pot

You can also cultivate a trumpet flower well in the bucket, because with a regular cut, it can be kept fairly compact. In solitary position, however, a trellis scaffolding is necessary on which the Schlingranken can hold. The soil substrate should be put together rich in humus and a drainage of coarse sand should be implemented. Pouring and fertilizing with compost should be a bit smaller in the tub culture.

The trumpet flower only has to be repotted if the pot becomes too narrow and the roots grow out of the lower pot holes.

Also, the trumpet flower in the bucket is a little frost sensitive. As a rule, she can be overwintered outside. If temperatures fall below -10 ° C, you should put them better in a cold house or cover well with garden fleece.

To remember:

Multiply trumpet flower

Recommended methods for trumpet flower reproduction are above all:

Absenker

The best way to increase a trumpet flower with the Absenkermethode. In the spring, lay a lignified shoot in a planter with soil and fix it with a metal hook. Keep the substrate evenly moist. Rooting occurs gradually throughout the growing season. Separate from the mother plant, you should continue to cultivate the Absenker only in the following year and then frost-protected.

offshoot

Another method is the use of foothills. The Trumpet flower prefers to form a loose ground. So here you can easily access and plant the separated young plants in spring first in pots.

seed cultivation

Of course it is also possible to propagate the trumpet flower on its own seeds. However, you will usually receive a copy that is not particularly flowering. The seeds are collected after the fruit ripen from the plant and allowed to dry. Before sowing - this can be done all year round - they should be soaked in water for about 6 hours. For germination in a pot with potting soil, the seeds need quite a long time - about 4 weeks.

Diseases and pests

Fortunately, trumpet flowers are very resistant to diseases and pests. Common but rather harmless ailments are mildew and aphids.

mildew

The powdery mildew can be recognized by the characteristic and eponymous floury deposit on the leaves. The impairment of the plant is moderate. Also, you do not need to use any aggressive artificial means of control - First, you should cut out the diseased parts of the plant. Even a spray cure with a milk-water mixture in the ratio of 1: 9 can be helpful. In case of severe or advanced infestation, a fungicide may be necessary.

aphids

You can usually get rid of these parasites by shaking them off with water. What also helps, instead of water to use a broth of nettles.

Trumpet flower does not bloom

On this subject, it should first be remembered that a freshly planted trumpet flower needs 3 to 4 years until it has enough power for a first flowering. At this time you do not need to hope for the splendor of color. If flowering fails on an established specimen, it may be due to one of the following reasons:

Wrong location

The trumpet flower is a very sun and heat loving plant. A too dark, cold and possibly even draughty location can ruin her bloat. Especially young buds can freeze under such conditions in the early spring.

Missing pruning

The rejuvenation cure in the spring by the Triebrückschnitt is very important for a good flowering. Because only in the fresh instincts of the trumpet flower flowers - in the absence of cutting new branches but may not even drive out.

Extracted from seed specimen

A seedling-propagated trumpet flower is generally rather unwilling to flower. Therefore, the propagation of own seeds is not recommended. Some purchased specimens may well be pulled from seed - this method is the most cost-effective. Therefore, make sure to buy a reliable source and do not resort to the cheapest offer!
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Tip:

If you want to prevent the trumpet flower from spreading unchecked, cut off the fruit before it ripens. Even if the plant is very beautiful, it can also be a plague in its great Aussamwillen.

sorts

Madame Galen

The Madame Galen is one of the most common varieties of the hybrid trumpet flower Campsis tagliabuana, the Great Climbing Trumpet. The Madame Galen has a slightly weaker growth than the wild Campsis radicans, but is still on average 5 meters high. It should also be provided with a climbing aid. Its flowers have an attractive color with yellowish-orange tubes and a scarlet funnel opening. They open from July and usually last until well into September.

flava

The Campsis radicans Flava delights with its beautiful, sun-yellow flowers that appear between July and September. It is very fast awake and is therefore particularly suitable for fast wall greening. The Schlingranken become quickly overhanging, so that a stable climbing aid is indispensable. Like its original form, the Flava needs a sunny, warm location and would like to be shaded at the roots. Compared to the wild form, this variety is slightly smaller with an average height of about 3 meters. Also, it does not tolerate very cold temperatures - you should expect it at -10 ° C.

flamenco

This species of American trumpet flower captivates above all by its particularly large and numerous flowers in rich orange red. Also, the flowers generally appear slightly earlier than the wild Campsis radicans. Per tuft it forms about 10 to 15 flowers. At high altitude, the Campsis Radicans Flamenco reaches 10 meters under good conditions. It is very robust against frost.

Indian Summer

The variety Indian Summer belongs to the hybrid species of the great climbing trumpet. It has its name from the bright orange tone of its long flowers, which can appear as early as June and remain until October. The Indian Summer prefers a sunny to half shady site and can reach a moderate height of approximately 4 to 5 meters. As it grows very fast, it is well suited for walls and railings, which should be planted quickly.