Fertilizing hostas: when, how & with what?

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The beautiful perennials have always been valued as ornamental plants. Here you can find out what to consider when fertilizing hostas.

Hostas between larger plants
Funkia are magnificent ground cover for shady and otherwise often bare corners in the garden [Photo: Bildagentur Zoonar GmbH / Shutterstock.com]

The first came from Asia Hostas (Hosta) to Europe. A long way to go, but today the plants also enrich numerous gardens and parks in this country. The genus of the hostas is comparatively young, which is why no fossils have been found so far.

The special thing about the Asian beauties is that they also thrive in the shade. And even when it comes to fertilizing, hostas are pretty straightforward.

As an undergrowth in the forests of Japan, China and Korea, the Funkia is not only in shade and Moisture, but also adapted to humus soils, because forest soil is usually loose, water-permeable and humic. In the soil, hostas form rhizomes, a mixture of storage organ and root. These are usually short, branched and can store nutrients and sugar. You should do everything you can to ensure that the plant feels at home so that the funkia can also develop optimally in your garden. The right substrate and, related to it, the right fertilization are the decisive points here.

When do you fertilize hostas?

When it comes to fertilizing, hostas are very easy to care for. An application should be made in spring with a slow release fertilizer. Later, during the growth phase, no more fertilization is required.

Flowering hostas in the garden
Fertilization with slow release fertilizer is recommended for new growth in spring [Photo: Anna Gratys / Shutterstock.com]

Fertilize hostas in the bed

In this case, fertilization is only necessary if the garden soil does not provide sufficient nutrients. With compost, manure or ours Plantura organic universal fertilizer the garden soil is upgraded for a long time.

Fertilize hostas in the pot

The easiest way to fertilize hostas in the pot is with a liquid fertilizer. Our almost exclusively organic Plantura universal & indoor plant liquid fertilizer is ideal for this. The nutrients are sustainably absorbed by the roots, so that there is constant nutrient availability.

How do you fertilize hostas?

The best fertilizer for hostas is your own leaves. Every autumn the plants retreat into the ground. The leaves die off and are decomposed on the ground. If you leave the leaves in place, valuable humus will develop. Since you are not removing any nutrients, you do not need to add any other nutrients. Fertilization is therefore superfluous.

If you don't like the sight of the withered leaves in the garden, you can simply compost them and later distribute the finished compost around the plant again. This is probably the better choice, especially when it comes to keeping them in pots.

In general, you should use organic fertilizers to encourage humus formation. Because humus, which is so important for hostas, can only be formed from organic materials.

Funkia in loose soil
Hostas love loose soil that is rich in humus [Photo: Max Sudakov / Shutterstock.com]

Organically fertilizing hostas: the right approach

If the garden soil is not very fertile, you should pamper your hostas with fresh organic fertilizer in the spring. Compost, horn shavings or ours are suitable Plantura organic universal fertilizer. Carefully work the chosen form of fertilizer into the soil around the plant. Organic fertilizers have a long-term fertilization - it is therefore usually sufficient to use the fertilizer only once a year.

When fertilizing in pots with the liquid fertilizer such as our Plantura universal & Indoor plant liquid fertilizer, the shaken fertilizer is quickly and easily mixed with the irrigation water and the Watered the plant with it. This fertilization should also be used once a year.

Fertilize hostas minerally

Hostas need humus and humus is only made from organic materials. In order to sustainably improve the soil for hostas, organic fertilization is therefore advisable. Mineral fertilizers can therefore only partially meet the requirements of the plant. However, if you decide to use a mineral fertilizer, you should use a depot fertilizer that continuously supplies the plant with nutrients over a longer period of time.

Funkia in ornamental bed in the garden
In order for hostas to grow into true splendid specimens, they need the best growing conditions: a high humus content in the soil contributes to the well-being of the plants [Photo: Flower_Garden / Shutterstock.com]

Fertilize hostas with home remedies

Much of what is of organic origin is suitable as fertilizer. This is particularly well known here Fertilize with coffee grounds. Especially in slightly alkaline soils, the slightly acidic coffee grounds can not only provide valuable nutrients, but also shift the pH value more into the neutral range. If you already have neutral or even acidic soils, you can mix eggshells into the coffee grounds so as not to lower the pH value of the soil too much.

Fertilizing hostas - the most important things in a nutshell:

  • Pay attention to nutrient-rich, humus-rich soil
  • Fertilize in spring for new shoots
  • Fertilization only necessary once a year
  • Humus enrichment through organic fertilizers such as manure, compost, our own leaves Plantura organic universal fertilizer or for potted plants our Plantura universal & indoor plant liquid fertilizer

How one Planting hostas in the garden correctly and what else to consider when it comes to care, you can find out here.

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