Worth knowing about Zinnias

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Zinnias are originally from South America. But they also look good in our gardens. But only if they are properly planted and maintained.

Zinnias are easy to care for

Zinnias are very popular for the summer garden, especially because they are very easy to care for and show a long bloom. In addition, they can be combined with other perennials and grasses to give your garden a little extra. The special thing about the Zinnias is above all the variety of colors. They bloom for many summer weeks and are often planted in combination with the coneflower or dahlia. But even in a pot you bring a colorful swab on your own terrace.

Many new varieties bred

The plants have been offered in our latitudes since the 19th century and since then many new varieties have been bred, which have also produced new colors. A plant can be 20 to 100 inches high. You can still buy and plant the zinnias until September. The colorful flowers enrich the flowerbeds even in late summer.

Location and ground

Zinnias are heat-loving plants and thus need a sunny and sheltered location. Just as they know it from their warm home South America. So you do not mind if the temperature rises above 30 degrees. They will not hang their heads then.

The soil should be permeable. But it can also be slightly clay-containing. That does not matter to Zinnias.

It is best to enrich the soil with some compost before planting. So the plants grow much stronger.

So plant zinnias properly


Zinnia is available as seed in spring. These can be brought to the ground in May. The temperatures should definitely not fall below 18 degrees Celsius. That's why it's best to wait until after the saplings. Then proceed as follows:

Loosen up the soil and work in some compost. Then you can plant the seeds already at a distance of about 30 centimeters into the soil. Then cover lightly with soil and sprinkle.

Put zinnia plants in the bed:

If you have bought zinnia plants, you can put them in the flowerbed from May. Loosen the soil again and enrich with compost. In the meantime, place the root balls of zinnias in a bucket of water for about 30 minutes. Then you can put the Zinnias in the bed.

If you would like to place the Zinnias in planters, you must make sure that they have a drainage hole, so that excess irrigation water can drain off and no waterlogging forms.

This is how zinnias thrive

To water:

Zinnias do not like it when they dry out root ball. Therefore, water the plants regularly. But not too much, because otherwise waterlogging could occur and that does not get the Zinnia at all.

It's best to pour in the mornings or evenings. In the noon hours, drops of water could remain on the leaves, which in turn could cause heat damage due to burns. Learn more in our post avoid sunburn in plants - 4 tips.

Cleaning plants:

Quickly remove withered and faded parts of plants. How to promote the formation of many new flowers.


Zinnias are annual plants that can not survive the cold in the flowerbed. However, there are good chances for zinnias growing up in the planter. If you bring the planters into the house before the first frost and place them in a bright, frost-free room, they could survive the winter and bloom again next year. During this time, do not water much and, as of mid-May, get the zinnias slowly back to warmer outdoor temperatures.

Video Board: Ep. 369 Growing Zinnias - From Seed to Out in the Garden.

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