Maintaining laburnum - tips for watering, fertilizing & cutting

Maintaining laburnum - tips for watering, fertilizing & cutting

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The laburnum is an easy-care and undemanding plant. In order to bring about numerous blooms nevertheless, some care measures are necessary.

With its striking golden-yellow grosgrain ribs, the laburnum is a real eye-catcher in parks and gardens. In addition, it is a plant that makes few demands and is therefore also well suited for inexperienced hobby gardeners. The plants prefer to stand alone in the garden and become a popular butterfly willow.

However, in order for the plants to grow abundantly and bloom profusely, there are a few care instructions to be observed. You can find out what these are now.

Golf Rain Care Instructions - It Matters

❖ Pour:

If the laburnum is planted outdoors, the plant hardly needs any maintenance. As a rule, the laburnum supplies itself with sufficient moisture through its roots. However, you should not lose sight of the shrub. In particularly dry summers you should help with the watering can or the hose. The plants cannot tolerate drying out completely over a long period of time. You always have to be sensitive to irrigation, because the floor must not appear too wet. Because even the waterlogging does not get waterlogged.


  • water only if drought persists
  • Soil must not dry out completely
  • Waterlogging is not tolerated

❖ Fertilize:

If the substrate provides sufficient nutrients, the laburnum does not need to be fertilized. However, since a nutrient-rich soil is preferred, the substrate should already be upgraded during planting. Compost is a long-term fertilizer with optimal nutrient supply.

The plant will produce few flowers on barren soils and will generally appear puny. Gold rain weakened by pest infestation or disease should also be given fertilizers for regeneration. There are special mixtures for flowering plants, such as this here. Pay attention to the highest possible proportion of potassium and phosphate.

" Tip: Laburnum should be fertilized rather cautiously. Overfertilization can harm the plant.


  • no fertilization necessary in nutrient-rich substrate
  • Work in compost as natural fertilizer
  • Use fertilizers for flowering plants
  • pay attention to a high proportion of phosphate and potassium

❖ Cut laburnum

Laburnum does not necessarily have to be cut. If there is nothing to prevent the shrub from growing naturally, hobby gardeners will probably enjoy blossoms and growth habit the most.

The best time for pruning on laburnum is early summer when flowering is complete. If you cut the plant before June, there is a risk of not yet fully developing inflorescences and thus missing out on the lush sun-yellow flowers.

The plants should not be cut in late winter and spring. At this point the juice flow is particularly large and the crops could bleed out if pruned.

" Tip: In the event of diseases or pests, cutting must be carried out promptly, regardless of the season. If pruning is not carried out, pests and diseases will spread further and could lead to the loss of the entire plant.

❖ Detect diseases and pests from the laburnum

As a poisonous plant, the laburnum is hardly affected by pests. However, the robust plants can be affected by galena. It is a fungal disease that manifests itself in the form of greyish-colored leaves.

The hobby gardener should act immediately and cut back all infected plant parts below the sick areas to about 15 centimeters. After cutting, provide the branches with a wound closure agent, such as this one so the plant doesn't bleed.

The removed plant parts do not belong on the compost. The mushroom could spread there unhindered.

" Tip: Dispose of the cut plant parts in the household waste or burn them.

❖ Wintering

In general, laburnum is hardy. However, one should not lose sight of the shrub entirely. The branches can often break off under the snow load. Therefore, wet snow should be removed from the shrub crown regularly.

The most important care measures at a glance

care measureexplanation
to water
  • Regular watering is not necessary for outdoor plants.
  • In extreme drought, the plant needs water.
  • The floor must neither dry out completely nor appear too moist.
  • If the laburnum has been planted in a loose, nutrient-rich soil, no additional fertilization is necessary.
  • Compost can be used to upgrade the soil.
  • A fertilizer for flowering plants can be used.
  • Over-fertilization should be avoided.
To cut
  • Laburnum does not require a cut and grows full and bushy.
  • If cutting measures are necessary, June is the ideal time.
  • Pruning too early can bleed the crop.
  • In the event of illness or pest infestation, all affected plant parts must be removed immediately.

Laburnum appears stunted - what to do?

If you have done everything correctly and yet the plant appears puny and shows hardly any flowers, then its time should have expired. The lifespan of the golden rain is about 20 years. If the plant is at the end of its strength, it will no longer bloom and will no longer grow. Then it is time to choose a new plant and replace the old laburnum.

Maintain laburnum as a container plant

The laburnum can also be cultivated in a bucket and thus also impress on the balcony and terrace with its flower pile. However, there are a few things to consider. The maintenance effort for container plants is higher. The substrate in the bucket is limited, runs out quickly and does not provide the plant with the necessary nutrients for a long time.

We have summarized the most important differences for you:

care measuresLaburnum in the fieldLaburnum in the bucket
to waterIt doesn't have to be watered regularly.Regular watering is necessary.
FertilizeIf the soil is rich and permeable, no fertilization is necessary.Regular fertilization is required during the growth phase.
To cutLaburnum grows about five meters high and forms a lush crown outdoors, without cutting measures being absolutely necessary.Container plants need to be cut as the size should be checked.
overwinterLaburnum is hardy and requires no special protection.
  • The plant is not hardy in a bucket.
  • If the bucket freezes through, the roots can no longer absorb food and die.
  • The golden rain in the bucket should hibernate brightly and frost-free in the house.

What you can do for a lush bloom

If the laburnum is satisfied with its location, the lush bloom will not fail to appear. If you want to enjoy the golden yellow flower clusters for as long as possible, you should remove the bloomed panicles regularly. Then you can expect a subsequent flowering.

" Tip: If you want to multiply the laburnum, leave some seed pods on the shrub.

Is laburnum toxic?

Care should be taken in this regard, as the laburnum is poisonous in all of its parts. If there are small children or pets on the property, the plant must be shielded well.

Caution: Laburnum is poisonous in all parts of the plant!

Gloves must be worn during gardening. Plant parts should never be put in the mouth.

The symptoms of poisoning are expressed as follows:

  • a headache
  • sweats
  • chills
  • paralysis

Poisoning with laburnum is fatal only in very rare cases.