Cut the wisteria - bring it to bloom by pruning


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The wisteria bears the botanical name Wisteria and belongs to the family of the butterfly plants. The climbing shrub grows strongly and can wind up to eight meters high. The leaves are pinnate and form in May flower clusters, which are either blue, pink or white depending on the variety. When the blue rain increases in nitrogenous soils, growth increases but often at the expense of flowering. To make the flower abundant, at least two cutbacks per year are necessary.
characteristics
In a sunny location in a protected location, the blue rain thanked with a rich flower decoration. If the soil is very nitrogenous, this often leads to a strong vegetative growth spurt, which, however, has a negative effect on flowering. In addition, the lurching and lignified shoots can quickly clog gutters and downpipes, in extreme cases, even squeeze or railing completely bend. The following characteristics are important in the case of blue rain:

  • Frost hardy but warm-loving climbing plant
  • Proliferating creeper with enormous power
  • Needs as backing walls, extremely stable pergolas, massive rose arches or fences
  • Hangs down with support in flower clusters picturesquely
  • Flowering time in May-June
  • Can be used on a wall as a trellis or a tribe
  • In order to preserve the florets long term, rigorous cutbacks are needed
  • Crop flower-bearing short shoots at least twice a year
  • Ideally pruning in late summer and at the end of winter
  • Even tolerates radical cutbacks, as thick buds are budded again
Conservation cut in the summer
In the case of already established plants, the conservation cut has the goal of restricting an unwanted spread of the blue gene and sustainably promoting the formation of as many flowering short shoots as possible. The following aspects are to be considered in the maintenance section in the summer:
  • Conservation cut provides for even richer florets
  • Shorten all short drives in two steps
  • Plan the first cut in summer (about two months after flowering)
  • Cut all this year's side shoots back to about 30-50 cm
  • Should this result in new shoots, they break off, before it comes to timbering
  • The summer cut slows down growth significantly
  • Pruning stimulates the formation of new flower buds
Winter / spring cut
After the pruning in the summer, the next cut to the following end of the winter is on. In the case of blue rain, the flower buds are located directly at the base of the short shoots and can therefore be easily distinguished from the leaf buds, as these are now significantly larger and thicker. Over time, thickenings develop, the so-called 'heads', which are increasingly forming flower buds. The following procedure should be used for the winter / spring cut:
  • Schedule second pruning during the last winter days in March
  • Shorten the short shoots already cut back in the summer to 2-3 buds
  • Besides, the two-year-old, and still green-colored, side shoots prune
  • To promote ramification, trim all flowering shoots to one-third
  • As the abundance of flowers fades, the oldest branches are successively cut off
  • Cutting out the obsolete 'heads' stimulates the formation of new and flowering short shoots
Tip: It is important to always cap over the fifth leaf bud so that the sap can flow entirely into the flower buds of the current year.
rejuvenation pruning
The wisteria is one of the extremely long-lived climbers and can be huge and wide. Normally there is no need for an additional rejuvenation cut for regular cuts. However, if the climber has become much too big, then a significant rejuvenation cut should be made:
  • Rejuvenation cut gradually spread over several years
  • Always cut out only one of the supporting main drives
  • As a substitute incorporate a suitable support in the plant scaffold
  • In extreme cases, it can even be cut back to a height of one meter
  • In the following years, completely rebuild the plant crown
Tip: An extreme pruning for the rejuvenation is only recommended if the wisteria has been neglected and was not trimmed for a few years.
education section
Young plants need a parenting cut to grow in the desired shape and direction. The use of parenting depends mainly on whether the respective blue rain is to be pulled up as a trellis on the wall or on a pergola.If the plant is grown without an education, then the shoots confuse and entwine so strongly that an orderly pruning is no longer possible after only a few years. The binding of the Blauregens is important, because in this way creates a juice jam, through which the plant is stimulated to form side shoots. The following rules are to be followed until the young Wisteria has sufficient pairs at the side branches, so that the trellis can be completely filled:
  • Build up scaffolding from only a few shoots
  • The basic scaffolding remains for life, at this flower-bearing short shoots form
  • Construction of the framework takes at least 3-4 years, regardless of the selected growth form
  • For the Pergola or rose arch education bind 2-3 of the strong main branches to the climbing aid
  • Shoot the shoots around the scaffolding, then loosen them and at the same time tie them up
  • Shorten the extension shoot to approx. 1 m annually in the late summer or winter end
  • For Wandspalier-Upbringing young plant on approx. 70-90? Cm over strong eye cut off
  • Remove all side shoots, fasten shortened guide pin firmly to post
  • In the summer only 2 side shoots leave
  • Lead the remaining side shoots up to the trellis at a 45° angle
  • In turn, shorten the next side shoots to approx. 10-15 cm
  • Cut the main shoot at the end of the winter of the 2nd year about 70-80 cm above the topmost branch
  • Shorten side shoots by one third and tie down
  • In the summer of the following year cut the lead again
  • Now guide the next side branch diagonally upwards
  • Again, shorten all branches of the branches to about 15 cm
  • Remove unnecessary and unwanted shoots at base and main drive
Tip: For processed blue rain, it must be ensured that the underlying wood does not drift through. All shoots, which develop at the height of the soil, are to be removed consistently, because these are probably wild drives.
Damage caused by growth
The blue rain is an extremely powerful creeper that devours everything around it. Therefore, always make sure that the neighboring plants are not affected. Due to the enormous force of the blue rain can damage even parts of the house and especially gutters. To prevent this from happening, the following aspects must be considered:
  • Check plant growth regularly for leaks
  • Always place trestles at a distance of at least 1 m from building façades
  • Do not let it grow over railing bars
  • Be careful with anchors nearby
Conclusion
The wisteria is a fast growing and strong growing climber that needs a pruning at least twice a year. Otherwise, there will be rapid growth and, in extreme cases, damage to the environment. Since the wisteria is very cut tolerant, the trimming can be done without any problems, small incisions are forgiven quickly. If the plant is not pruned, then the flower forms very little or not at all. Also important is a low content of nitrogen in the soil, as this promotes the vegetative growth, but at night has an effect on the flower abundance. Ideally, the first pruning is done at the end of summer after flowering and the second pruning at the end of winter. If the plant has long been neglected, a radical rejuvenation cut is to be made. In order to bring a young blue rain into the shape, indicative educational cuts are necessary in the first years of life.

Cut the wisteria - bring it to bloom by pruning

FAQ - 💬

❓ How do you prune wisteria to encourage flowering?

👉 In January or February (when the plant is dormant and leafless), cut back the shoots you pruned in summer to two or three buds, to tidy up the plant before the growing season starts. This also ensures the flowers won't be hidden by leaves.Сохраненная копия

❓ How do I get my wisteria to bloom?

👉 You can see from this twister it's thrown out vigorous shoots from the bottom. It's been a very dry year and a lot of the growth on the wisteria this year has been at this lateral.

❓ How long does it take for a wisteria to flower from a cutting?

👉 20 yearsIt can take 20 years for a wisteria to flower from a cutting, so very few gardeners propagate wisteria, choosing to buy a plant instead. However, if you want a challenge, take softwood cuttings in mid spring.

❓ Can you cut wisteria roots?

👉 Stressing the plant by not fertilizing and root pruning will often force it into bloom. To root prune, use a shovel to cut the roots in a circle about 1 to 2 feet from the plant's trunk. Bell's other tips for growing wisteria include planting in full sun in well-drained soil that's kept consistently moist but not wet.

❓ Why has my wisteria never flowered?

👉 Since too much nitrogen is the most common cause of wisteria blooming problems, the easiest thing to do is to make sure this is not a problem. There are two ways to correct this cause of a wisteria not blooming. The first is to add phosphorus to the soil. This is done by applying a phosphate fertilizer.

❓ Will my wisteria ever flower?

👉 If the wisteria in question has been grown from seed, it is important to note that you will usually have to wait a very long time for it to flower. It can take as long as 20 years in some cases and even then the results don't necessarily live up to expectations.

❓ How do you prune Wisteria?

👉 Winter pruning: Long, whippy shoots that grew after the summer pruning should also be pruned. Cut these back to five or six buds from the main branch, making the cut just above a bud. The ideal way to grow wisteria against a wall is to train it as an espalier, with horizontal support wires (3mm galvanised steel) set 30cm (1ft) apart.

❓ Do wisteria flower on old wood?

👉 ‘Wisteria flowers on old wood, meaning that the flower buds that will bloom next year actually form on this year’s growth. To avoid pruning out all of next year’s flower buds, some pruning should be done in the summer, after flowering ends,’ says Bloomscape's resident gardening expert Lindsay Pangborn.

❓ How long does it take a wisteria to flower?

👉 It can take 20 years for a wisteria to flower from a cutting, so very few gardeners propagate wisteria, choosing to buy a plant instead. However, if you want a challenge, take softwood cuttings in mid spring. Cut lengths of young stems and trim them back to about 10cm, just below a leaf joint

❓ How do you grow Wisteria against a wall?

👉 Cut these back to five or six buds from the main branch, making the cut just above a bud. The ideal way to grow wisteria against a wall is to train it as an espalier, with horizontal support wires (3mm galvanised steel) set 30cm (1ft) apart. Over time, and with pruning twice a year, plants will build up a strong spur system.

Video Board: Pruning Wisteria to encourage flowers.

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