Blue Flowering Plants: 6 Popular Examples

Plants with blue flowers are very showy

The world of flowers seems infinite. There are so many varieties of these beautiful plants that it is difficult to decide which one we like best. Among so many different shapes, colors and aromas, it is normal for us to lose count. Sometimes it can be very helpful to put vegetables into categories, such as the one we will discuss today: Plants with blue flowers.

If you are lovers of this color and do not know which vegetables to choose to decorate your home or garden, or simply want to expand your knowledge, I recommend that you continue reading. In this article we will talk about various plants with blue flowers that will leave you breathless at how beautiful they are.

What plants with blue flowers are there?

Hydrangea is one of the most popular blue flowering plants

It is very curious that there are flowers of so many different colors. What is this phenomenon due to? Let's see: The reason we can see certain colors is because objects absorb and reflect certain wavelengths of visible light. In the case of blue flowers, these They absorb the entire red spectrum and reject the blue. which is what we see reflected on its exterior. It is actually quite rare for this color to appear in vegetables. In fact, only 10% of flowering plants have this characteristic.

But enough of going around the bush so much. Next we will talk a little about some of the most popular blue flowering plants.


Let's start by naming one of the most popular blue flowering plants in gardens: Hydrangeas. These vegetables have beautiful inflorescences, ideal for decorating gardens, terraces and homes. These flowers vary in color depending on the acidity of the soil, what comes to be the pH. To get them to be blue, the most recommended thing is that the pH does not exceed 7. In addition, it is extremely important to locate them in a place where it is not too hot and they receive shade.

how to get blue hydrangeas
Related article:
How to have blue hydrangeas


Let's continue with the lobelia, a beautiful plant with blue flowers native to South Africa. In its natural state, this plant grows forming bushes, even so It is possible to grow it in a pot. In general, the size of this plant is small and it has a fairly long-lasting and abundant flowering. It begins to flower in spring and can maintain its flowering period until late autumn. Without a doubt, it is a very striking vegetable that will give our surroundings an unbeatable blue touch.

Lobelia differed
Related article:
How is a lobelia

Grape hyacinth

Another of the plants with blue flowers is the muscaris. It is a bulbous which belongs to the family of scyloidea. It is basically a small herbaceous plant that reaches a maximum length of 25 centimeters. It should be noted that It can be grown in any type of soil. When planting this bulb, it is best to do it between the end of summer and the beginning of autumn. In addition, it does not require much care, which makes it an ideal plant for beginners or people who do not have much time to care for vegetables. For little effort, she delivers a truly spectacular bloom.

muscari armeniacum
Related article:
Muscari armeniacum, the outdoor plant that will make you fall in love with its flowers


The cornflower, with a scientific name Centaurea cyanus, is very popular for its beautiful shades that vary from pink to blue, even white. It is an annual plant highly appreciated also by various pollinating insects, such as butterflies and bees. It can flower throughout the year and is native to central and southern Europe. For its cultivation it is advisable to locate it in rather sunny places.

Take care of your cornflower so you can benefit from it
Related article:
Cornflower, the most striking blue flower


Let's continue with another of the most popular blue flowering plants: The DelphiniumAlso known as delphinium. It is really a genus of herbaceous rhizomatous plants that can grow up to two meters tall. They are native to the high tropical African mountains and the northern hemisphere. The flower of this vegetable is grouped in a dense, spike-shaped inflorescence. The flowering time of delphinium is in summer, specifically in the months of June and July. The blue flowers turn out to be so striking that it is very common for them to be part of centerpieces. Therefore, the ornamental value of these vegetables is very high. For cultivation it is important that it receives direct sunlight and that the soil is well drained.

Blue flower delphinium
Related article:
Larkspur (Delphinium)

Germanic iris

Finally we have to highlight the Germanic iris, also known as blue lily. It is a herbaceous plant native to central Europe. Despite being so pretty, the care it requires is minimal. As long as we take into account that it needs a rich and well-drained soil, a neutral pH and semi-shade, we already have its correct development almost assured. Its flowering season normally begins in spring and can extend until the beginning of autumn. What more can we ask for?

The common lily is a bulbous marigold
Related article:
Iris germanica, the common garden lily

Why choose plants with blue flowers?

Plants with blue flowers have a high ornamental value

When decorating our home or garden, the most important thing is to choose plants that we like. In the event that we are lovers of the color blue, the plants with blue flowers that we have discussed above will surely be very attractive to us. But what does this color have that makes it so special? Well, it turns out that this beautiful color gives a feeling of spaciousness, which is logical since the sea and the horizon/sky are blue. Besides, can symbolize different things depending on the cultural and social context. Here are some possible meanings associated with it:

  • Serenity: Sky blue is commonly associated with tranquility, peace, and relaxation. It is believed that looking at the color blue can have a calming effect on the mind and body. In addition, it represents sympathy and friendship.
  • Safety: When this color is darker in tone, it is often associated with confidence, security, and stability.
  • Sadness and melancholy: In some cultures, the color blue can symbolize sadness and melancholy. Depending on the context, it can be related to feelings of loneliness and depression.

What plants with blue flowers can transmit to us will depend above all on our state of mind, but what we cannot deny is that they are a real gift for the eyes.

Leave a Comment

Your email address will not be published. Required fields are marked with *



  1. Responsible for the data: Miguel Ángel Gatón
  2. Purpose of the data: Control SPAM, comment management.
  3. Legitimation: Your consent
  4. Communication of the data: The data will not be communicated to third parties except by legal obligation.
  5. Data storage: Database hosted by Occentus Networks (EU)
  6. Rights: At any time you can limit, recover and delete your information.