Why you should definitely fertilize perennials
As your perennials grow and bloom in bloom, they continuously draw nutrients from the soil. In order to replace or replenish these, fertilization is an indispensable maintenance measure.
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But: Perennials are not plants that need huge amounts of fertilizer. In fact, the different ones are content species often with relatively little. However, it is essential to ensure this minimum.
Which nutrients are essential for perennials
When fertilizing perennials, three substances are particularly important:
- nitrogen
- phosphorus
- potassium
nitrogen
Nitrogen promotes the growth of leaves, shoots and roots.
phosphorus
Phosphorus is crucial for flower formation.
potassium
Potassium ensures a firm plant tissue in the perennials.
How to properly fertilize your perennials
Depending on the perennials involved, annual fertilization is sufficient or several applications are required.
With normal perennial plantings, one dose of well-rotted compost per year is sufficient. Instead of compost, you can too Slow release fertilizer use.
Are you dealing with magnificent perennials, such as asters, phlox or delphinium, so additional fertilizers are necessary. In this case, it is best to use organic perennial fertilizer. Dose this according to the manufacturer's instructions on the package.
The right time to fertilize perennials
Fertilize your perennials between early spring (March) and early summer (July).
Caution: From August onwards, you should no longer give your perennials fertilizers, otherwise the plants may become more sensitive to cold.
The following procedure has proven itself:
- Early spring: fertilize with nitrogen emphasis
- Late spring: fertilize well
- Early summer: fertilize with an emphasis on potassium
In this way, the perennials can develop a robust fabric in autumn, which can be harmless Overwinter is essential.
Fertilize in moderation!
The motto is: Always fertilize your perennials moderately. If you give the plants too much fertilizer, the plants may be burned.
Note: Excess nitrogen floats the tissue - as a result, it becomes very soft and therefore susceptible to pests and diseases.
Tips
Help with deficiency symptoms or poor flowering with fast-acting liquid fertilizer.
