Gardening Tips

dahlia care

dahlia care

Dahlias, which are actually a whole genus of plants from the Asteraceae family, are tremendously appreciated flowers valued for their beauty practically since their discovery in ancient New Spain. Currently it is the symbol flower of Mexico, and is deeply linked to its tradition, history and culture, as evidenced by the constitution of the Mexican Dahlia Association more than a decade ago.

If you want to enjoy these beautiful flowers in your home and are looking to learn the dahlias carejoin us in this practical guide of EcologíaVerde and discover that it is not complicated.

Characteristics of dahlias or dahlias

The dahlias or dahlias They are bulbous plants native to Mexico, which can be grown both indoors and outdoors. They can reach heights of up to a meter, but the smallest species are about 30 centimeters tall. However, it cannot be denied that the most striking thing about these plants is always their flowers, which they produce with the arrival of summer and continue until the last months of autumn. The dahlias flowers They are very large, with intense and very showy colors and in a large number of tones, usually warm but white and violet are also possible. If the weather is very hot, it is possible that the dahlia gives its flower after the summer, when the temperature is milder and more pleasant for it, that is, already in autumn.

If you like this type of plants, we recommend these other articles from EcologíaVerde on 15 bulb plants and on +15 autumn plants for the garden.

Dahlias care - Characteristics of dahlias or dahlias

Dahlias or dahlias care – basic guide

Briefly, these are the general care of dahlias or dahlias:

  • Light: Dahlias require a good amount of light.
  • Irrigation: abundant and frequent, especially in hot climates or days.
  • Fertilizer: they require a fertilizer, specific or homemade organic.

light and location

These plants require a very bright location to develop properly, especially if we want to enjoy its beautiful flowers. Place the dahlia in a spot in the garden where it receives a lot of light, or next to a window or lighting point if you have it indoors. Only if the sun in your area is very intense should you place these flowers in semi-shade areas or, at least, where they are protected from the hours of most intense and dangerous influence, which are usually midday.

In addition, the wind can do a lot of damage to your dahlias, so it is necessary to find a place for them that is as sheltered as possible in this regard. If you can’t completely protect them from him, tutoring them would be a very good idea.

Dahlias Care - Light and Location


Although they are from mild weather and withstand the heat well as long as they don’t get direct sunlight for many hours at a time, these plants are capable of withstanding temperaturese low and light frosts of up to -5ºC. However, if plants outdoors and where you live frosts are common, it is convenient to help them get through the winter with some help. Provides a thick plant cover on its base and bulbs, or remove the bulbs if temperatures are really low. You can always store them somewhere sheltered and dry to replant when the frost passes.

Soil and fertilizer for dahlias

These plants appreciate being in enriched lands with a good amount of organic matter. As always, we recommend using organic and ecological fertilizers, such as earthworm humus, compost and bokashi. All of them are very rich fertilizers that will allow you to keep your plants free of synthetic chemicals.

When preparing it, remove the soil or the substrate before planting so that it is well loose and with a drainage as optimal as possible, and enrich it with a generous amount of one of the mentioned fertilizers. Renew the subscriber every winter, and make a small contribution once a month in the warm months. After planting the dahlias, firmly firm the soil over the bulb and water.

In these practical gardening guides from EcologíaVerde you can learn how to prepare the different types of fertilizers that we have mentioned:

  • How to make worm humus.
  • Bokashi or Bocashi compost: what is it and how to do it.
  • How to make organic fertilizer for plants.

dahlias watering

This plant is quite resistant to heat, but if we water it frequently and abundantly on the days and seasons of higher temperatures, it will greatly appreciate it. Always water on the ground, trying not to wet its leaves or flowers to avoid problems with excess moisture. Water dahlias frequently in hot weather.but remember that the bulbs do not tolerate waterlogging or excess moisture, so it is better to water more often but in less quantity to avoid waterlogging.

Learn more about watering plants with this other guide on When to water plants.

Dahlias Care - Dahlias Watering

Plagues and diseases

These plants are not especially susceptible to attack by any pest or disease. At best, it is possible snails and slugs come to feed on them, for which you have a large number of home and ecological remedies at hand, such as leaving a plate or bowl with beer. Here you can discover how to prevent slugs and snails on plants and get rid of them naturally.

In addition, both for you to use them from time to time preventively and to apply them as a treatment if necessary, we advise you to know these homemade Fungicides and How to make natural insecticides for plants.

If you want to read more articles similar to dahlia carewe recommend that you enter our category .

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