Autumn fertilizer - so you fertilize the garden in the fall correctly

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In order to prepare the trees, shrubs and perennial plants well for the winter, fertilization in the fall should necessarily take place regularly. Especially with a lawn makes the autumn fertilization sense. Because in this way, the plants that have to adjust to a frosty winter, strengthened and can survive even very low temperatures better, especially if this is also evergreen shrubs and plants. The potassium content in the autumn fertilizer causes the salt content in the cell sap of the individual plants to be increased and thus they can better withstand the frost.

Why fertilize in the fall?

Even in winter, especially evergreen plants and shrubs such as rhododendron, boxwood or evergreen perennials need a special protection from the inside, which gives them the resilience to withstand even a frosty winter unscathed. Also the lawn and other ornamental grasses should not be forgotten during the autumn fertilization. Normally, the plants pull the nutrients themselves out of the ground.
In a tidy garden, however, where the fallen leaves are gathered together in the autumn and fallen fruit is collected, the existing soil is usually no longer added any new nutrients and it requires the help of the outside.
Most of the commercially available mixtures for autumn contain a lot of potassium. This has the effect that the cell sap of each plant increases the salt content. As a result, the freezing point of the cell juice is reduced and the cells are so much more resistant to very low temperatures. But not only the frost hardiness of the fertilized plants in the autumn is increased, also further positive developments within the individual plants are given by the autumn fertilization:
  • Potassium has further positive effects on the plants
  • the water pressure in the root is increased
  • this improves gas exchange and water transport
  • in the leaves, the gap opening is improved
  • so a more controlled evaporation can take place
  • the flow of water in the plant remains more uniform in this way
  • Carbon dioxide can be better absorbed for photosynthesis by the leaves
  • even a snow-covered lawn is better protected
  • especially if it is often entered
  • a rich flowering next year is also guaranteed
Tip: Autumn fertilization makes every plant more resilient to winter's hardships, which include not only frost and cold, but also less sunlight and more dark hours.

The right time

The right time for the autumn fertilization must be carefully chosen. If you fertilize too late, it is quite possible that the soil will no longer be able to absorb the nutrients it has been fed and thus will no longer be able to pass them on to the plants. If mineral fertilizers are used, they could only be washed out all through winter if used too late, so that they hardly reach the plants.

lawn fertilizer

The first two weeks of September are the ideal time to fertilize the shrubs, trees and other hardy plants. A lawn, on the other hand, can receive its last fertilizer in the late autumn of late October.
Tip: Who leaves the garden natural, can do without the autumn fertilizer. However, this also means that no plant remains of vegetables or flowers, grass clippings and falling leaves and fruits may be removed. In this way, the nutrients from the parts of the plant that decompose on the ground are taken directly into the soil. Unfortunately, the garden looks a bit "messy" in this way.

How should I fertilize?

This raises the question of how to properly apply the autumn fertilizer to get the best possible result. Often the summers are very hot and dry, then the garden soil has to be prepared first for a good fertilization result. Even though it was often infused in such hot periods, the earth is still very dry, especially in the lower areas. Therefore, the first precaution must be taken before the autumn fertilizer can be applied:
  • water the entire area to be fertilized
  • this should happen over several days
  • if the soil is too dry when fertilized, it can not be absorbed
  • Fertilizer remains above the soil
  • In the next longer rainy season it will be washed away
  • if the soil is wet enough, it is fertilized
  • Compost is underlined
  • For fertilizers from the trade, pay attention to the manufacturer's instructions
  • so there are liquid fertilizers that are administered with the irrigation water
  • Grainy and powdery fertilizers are scattered throughout the area

The suitable fertilizer

There are various fertilizers that are suitable as an autumn fertilizer. However, it is important for all of them that they contain the potassium needed by the plants in winter.The range of autumn fertilizers from the trade is large and even self-made fertilizer can be used here. The most important question here, however, is whether organic fertilizer or mineral fertilizer should be used. In addition to some commercially available fertilizers, the organic fertilizers also include the self-produced compost fertilizer.
In a decision for compost, however, the preparation must be made the year before. The advantage of compost fertilizer as well as the organic fertilizer that is available on the market is, above all, that it does not require any chemical additives. In addition, this fertilizer has the advantage that it is not washed out, the microorganisms that are not absorbed by the plants before winter, remain in the soil until they are needed again in the spring. Because of their natural origin, they can adapt to the climatic conditions. Anyone who still decides for mineral fertilizers from the trade, should note the following points:
  • Composition is very important
  • Potassium should be included
  • Nitrogen-boosted fertilizer is not recommended for autumn
  • this drives the plant to growth
  • also this is washed out faster
  • If there is a lot of rainfall in the winter, nitrate gets into the groundwater
Tip: If mineral fertilizer is used, it can cause burns to the roots due to excessive dosage or late fertilization of the plants. Therefore, care must always be taken with these chemically produced fertilizers exactly to the manufacturer's instructions.

Make compost yourself


Ideally, the autumn garden is fertilized so that the natural conditions are given. Compost is not only a suitable fertilizer for spring and summer, but also for autumn. Because in the wild, the plants in the autumn also feed on what naturally falls to the ground, decomposes here and then gets into the earth with the rainwater. Although this is a somewhat prolonged process, it is also very effective due to the natural environment. In a well-stocked garden, a compost that preserves this naturalness should not be missing. In addition, it was already prepared in advance, the plant parts are already decomposed and are mixed under the garden soil around the plants around. This speeds up the natural process and allows the plants to absorb the nutrients immediately. The following explains how to apply the compost correctly:
  • Get a box for compost from the well-stocked garden trade
  • put in a corner in the garden
  • due to odor far away from the patio and seating
  • Everything that happens over the year to garden waste is disposed of here
  • Shred branches before
  • Let grass clippings dry first
  • otherwise the compost will get too wet and can rot
  • even the foliage should dry out first
  • also coffee grounds can be disposed of on the compost
  • After about half a year, the compost can be used
Tip: Homemade compost is particularly well suited for garden beds, where between the individual plants and under shrubs or trees, this can be carefully lifted into the ground. In addition, a layer of mulch helps here after the addition of compost. Fertilizer powder, on the other hand, is well suited for a lawn because it is simply sprinkled on.
A natural garden, where not all parts of plants, leaves, grass clippings and fallen fruit are removed, is still the best autumn fertilizer for the beds. If you prefer to be tidier, you can get a compost. Everything that the garden has left over in the rubbish comes over the year and can be returned to it in autumn. Those who have less time, however, worried organic or mineral fertilizer from the trade. This has the advantage that the purchased fertilizer is offered in liquid, granular or powdered form and so does not need to be underlined, as is the case with your own manufactured compost. Otherwise, you should always make sure that the autumn fertilizer contains potassium, as it is needed by the plants in this season.

Video Board: Best Time to Fertilize Lawn - Fall Fertilizer for Cool Season Grass.

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