Campsis Grandiflora - care, cutting and wintering

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Trumpet flower - Campsis grandiflora

Campsis Grandiflora - care, wintering The Campsis Grandiflora are the Chinese trumpet flowers and are often referred to as red trumpets or climbing trumpets. Other epithets include trumpet winds and jasmine trumpets. The Campsis Grandiflora is often confused with the Campsis Radicans, the simple trumpet flower, as the latter is much better known. Incidentally, she comes from America. However, the Campsis grandiflora has significantly larger flowers.
The Campsis Grandiflora is characterized by the fact that it lumbers very heavily and develops a strong woody trunk after just a few years. As a result, the Campsis Grandiflora can also be optimally used in the bucket as a tree or high trunk.

The right care

In order for the beautiful Campsis Grandiflora to come into its own, it needs some care. In the first place here is the right location to call. It is characterized by the fact that it gets a lot of light and sunshine, is quite warm, but protected from the wind. Ideally, you guide the Campsis Grandiflora along a wall, so that draft is not an issue. In addition, the stones contained in the wall store the heat absorbed during the day so that the Campsis Grandiflora does not cool down.
When casting, care should be taken to ensure that the soil is always well moistened. When planting in the tub, it is important that no water remains in the coaster, because waterlogging is very sensitive to the Campsis Grandiflora. Moreover, it should be noted that the Campsis Grandiflora in the planted variant should be protected by a mulch layer. When fertilising, pay attention to a fertilizer that does not contain nitrogen. For that, the plant needs more phosphates. However, only moderate fertilization should be used, otherwise the shoots may grow too much so that less flowers expire. When choosing the soil, one should opt for an acidic, neutral or calcareous soil.


The Campsis Grandiflora should also be cut regularly. Optimal is a pruning in February or very early spring. Due to the flowering season in the summer, the flowers on the new wood, so the wood grown in the same year, from. Therefore, the pruning should be done so early. In order for the flowering to be particularly generous in the current year as well, the pruning should be carried out radically. All side shoots, which have expelled flowers in the past year, are cut back to three to four eyes. Thus, it is possible to promote the new budding and to obtain a rich flowering abundance.
It is important that older shoots are not completely cut back, as they form the new shoots on them and thus ensure a more magnificent flowering. In summer, the Campsis Grandiflora should not be cut if possible. In a summer cut, the flowers would inevitably be cut back. Exceptions apply only when extraordinarily long shoots hardly bear flowers. These may then be shortened a little to bring the flowers of underneath short shoots to better advantage.

Trumpet flower - Campsis grandiflora

The early cut is also important because the flowering time is preferred. Moreover, if necessary, even a complete pruning can be done directly above the ground to rejuvenate the plant. However, it must then be expected that the flowering of the Campsis Grandiflora will be missed this year. The fruits that the plant also carries should be removed. The self-seeding, which is performed by the Campsis Grandiflora, it can quickly become a plague, so removing the fruit seems useful. Attention should also be paid to root extraction, which can quickly turn out to be annoying when Campsis Grandiflora is planted out.

The optimal location

For the Campsis to thrive properly, the site should meet their needs and wishes. It depends on a warm and sunny location, which should not be drafty. The soil should be chosen so that it is well drained and nutritious, but also moist and cool.
Due to the assignment of the Campsis to the Flachwurzlern it makes sense that the roots are covered by ground cover. Thus, the roots are shaded and can not take damage from too much sunlight. Also, the lower roots can be covered with a mulch layer, which promises even better protection. Well suited are campsis for the city or a mild climate, southern facades and walls are best suited to let the plants tend to it.
With good care and the right location, the campsis can then grow up to ten meters high. After about three years, the first flowers appear, which come in a bright yellow, orange or red. Basically, Campsis should be provided with a climbing aid, especially if it is still a young plant.Older shoots that are disturbing or too dense should also be removed in the beginning.


The campsis should always be cut back in the spring. A cut in the fall ensures that possibly more of the plant is lost than intended. This is especially true in severe winters. For about four to five eyes, the remaining branches should still be after the cut. Then it is guaranteed that the Campsis can drive out well again. Since it is a summer flower, the flowers grow on the branches, which were created in the same year. They should not be cut back too far.


Since most plants are not winter- or frost-hardy, it is recommended to overwinter the Campsis Grandiflora in a cold house, such as the unheated garage or the staircase. The wintering location may be quite dark, as the Campsis Grandiflora throws off their leaves in winter anyway.
Since the Campsis forms quite thick trunks over the years, it can also be kept as a tree or Hochstämmchen in the bucket. In this case, it makes sense to overwinter the campsis in the cold house, for example in an unheated garage or the staircase, which may also not be heated.
Since the Campsis throws their leaves in the cold season, the place for the wintering may well be dark. However, fertilization should be avoided in winter. A moderate pouring is allowed, but only so far that the Campsis does not dry out. Too much moisture is a big mistake made during wintering.

Trumpet flower - Campsis grandiflora

If the campsis is planted in the garden, it should be well covered during the winter months. Fir branches, brushwood or mulch are ideal here. Even a foil cover would be quite conceivable. In the winter outdoor it is even more important that the Campsis has not been cut back yet. Because of the frost, the plant often freezes a bit, so that more than intended could be lost, which would be a great pity for this plant.

Video Board: Pruning A Red Trumpet Vine.

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