Cassia fistula, the Golden Shower for hot climates

Cassia fistula

We often want plants that are not suitable for our climate, and often we do not find an alternative that we really like. Well then. This is not the case with the tree Laburnum anagyroides, well known by the popular name of Gold rain, but unfortunately it can only be grown in temperate to cold regions.

So if we live in a warm climate, which one can we have? Without a doubt, the Cassia fistula, which is also known as the Golden Rain. Discover it.

Cassia fistula flowers

La Cassia fistula It is a tree native to warm areas of Asia and the Middle East, as well as Egypt. It is the national plant of Thailand, and it is very, very decorative. It grows quickly until reaching 10 meters in height. Its leaves are deciduous. The flowers are aromatic, and precious: they hang from an elongated peduncle, and they are grouped in clusters during the summer. The fruit is a legume up to 60cm in length, inside which are a large number of seeds that are surrounded by a pulp with a sweet flavor.

In cultivation it is a very interesting plant, not only because it is quite reminiscent of Laburnum anagyroides, but also because it is not very demanding. In fact, the only thing we have to keep in mind is that can't stand the cold much, being ideal its planting in gardens where the climate is mild, down to -1ºC. Even so, if you live in a somewhat cooler climate, you can plant it in a pot and decorate your home with it during the colder months.

Cassia fistula

For the rest, you will immediately see that it is very easy to care for. Place it in an area exposed to direct sun, and water it between 2 and 3 times a week. It is also advisable to fertilize it from spring to autumn with an organic fertilizer, such as guano powder. In this way, to your Cassia fistula You will not lack for anything, and you can continue to offer your flower show year after year.

What do you think? Do you dare to cultivate it?


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  1.   Daniel said

    Hook to the liver ... as my golden rain is already planted, there is no other choice but to make it feel like it here in the south of Tamaulipas: /, to give it xD

    1.    Monica Sanchez said

      Good luck, Daniel 🙂

  2.   maricela pineapple said

    Hello a question, I just sowed my golden shower in the garden, I fell in love with the tree at first sight, the point is that the place I chose only gives it direct sunlight, morning at noon, yes, give and flower?
    I would appreciate an answer, nice afternoon.

    1.    Monica Sanchez said

      Hi Maricela.
      Yes do not worry. It will grow well, and it is sure to bloom before you know it.
      a greeting

      1.    maricela pineapple said

        Thank you!!!
        I was quite worried, what would you recommend me to thicken the trunk and strengthen it?
        They have recommended me the semi-solid "humus" worm fertilizer, (because they say that there is a liquid one) is it good? How would you recommend applying it? I can get that.

        1.    Monica Sanchez said

          Hi Maricela.
          Yes, all organic compost is good, and worm castings are one of the best.
          I recommend you pour a handful on the earth, and then mix it with it.
          As it is a fertilizer that we could say is slow release, it will not be necessary to pay for two months.
          Thus the trunk will gradually thicken.
          A greeting.

          1.    maricela pineapple said

            Thank you for your patience!!! I am a beginner, another question, I stir the humus with the earth from above the tree or do we have to dig around it and half bury it? ... Sorry for the ignorance and again THANK YOU !!


          2.    Monica Sanchez said

            Sorry, we are all students and teachers 😉
            Regarding your question, you just have to mix the compost with the most superficial soil, and then water.
            A greeting.


          3.    maricela pineapple said

            I'm happy !!… let's get to work… our tree will grow great !!!!… @ put your fertilizer on it.


      2.    maricela pineapple said

        Hello!
        What is the flowering time of the golden shower?
        Special months ?, most of the year?… How is the matter?

        1.    Monica Sanchez said

          Hi Maricela.
          Cassia fistula blooms in summer. In the Northern Hemisphere it would be from June / July to September / October.
          A greeting.

          1.    Nicolas said

            Can you send me seeds to Argentina?


          2.    Monica Sanchez said

            Hi Nicolas.

            We are not dedicated to that. I recommend you look in amazon, or even in the nurseries in your area.

            Luck!


  3.   Yesenia said

    Hello dear Monica. We have cassia fistula, but I have noticed that the leaves are stained and then yellow, dry and fall off. Is this a fungus or is it a process from the same plant? Thanks in advance for your help.

    1.    Monica Sanchez said

      Hi Yesenia.
      The leaves are being renewed little by little, as they come out of new ones.
      In principle I would not worry, but you can treat it with liquid systemic fungicide, following the manufacturer's recommendations.
      A greeting.

  4.   LAURA DUARTE said

    Hello Monica
    I have wanted to grow this tree for a long time, I have access to its seeds, I have some questions: can the pods that I collect from the ground serve for its cultivation? Or should I pluck the pods from the tree before they fall?
    The seeds are hard, how do I prepare them for planting?

    1.    Monica Sanchez said

      Hello Laura.
      Better to take those that are still on the tree, but that look already ripe (more or less, like those that are on the ground).
      In order for them to germinate, I recommend putting them in a glass of water -with a strainer- boiling for 1 second, and then 24 hours in water at room temperature. The next day, they can be sown directly in a pot, in full sun.
      a greeting

  5.   Glory Angel said

    Hello, I find this tree very cute. One question, I live in the USA, is the tree damaged by the snow?

    1.    Monica Sanchez said

      Hello, Gloria.
      Yes, it is sensitive to frost. But the Laburnum anagyroides is similar and it can withstand the cold without problems 🙂.
      A greeting.

  6.   Gines said

    Hi there! Until a couple of days ago I met this tree and I fell in love with it ... asking, get here and I like the patience you have to answer questions. For my part I am going to get the seeds, well, until the explanation so that they germinate, I will provide you. My garden has to have its golden shower ... I loved it !!! Greetings

    1.    Monica Sanchez said

      Good luck with the seeds 🙂. You will tell us. All the best.

  7.   CAROLINA said

    hello I have a problem with my golden shower. I have it for about 5 years in a pot and 10 days ago I transplanted it to the ground. and he is as sad, because he does not open the leaves. what can i do?

    1.    Monica Sanchez said

      Hello Caroline.
      It is normal for plants to get a little unsightly after transplanting.
      Water your tree preventing the soil from drying out too much (avoiding waterlogging) and it will surely improve soon.
      A greeting.

  8.   Maria Pardo said

    Hello Monica,

    I live in the city of Puebla, Mexico. The climate is very similar to that of Mexico City (but with less pollution). 15 days ago I bought a Cassia Fistula tree from a nursery. They told me it was not the tropical version, but I think it is Cassia because of the shape of the flower buttons, and because it has a scent. It is about two meters high, and the flowers have been falling because we are in the rainy season, and there are times when it is very strong, including hail. However, the plant is fine, although very wet because it rains every day. I would like to compost it and I already bought a worm humus and sheep compost. Which fertilizer do you recommend the most? And how much should I put. It is in a 30 cm high plastic bag, like they are sold in nurseries.
    Thank you very much
    María

    1.    Monica Sanchez said

      Hey.
      If it is in a pot, I recommend a liquid compost more, since the powder compost can worsen the drainage of the substrate and the roots could rot.
      One highly recommended is guano, although if you can't, you can put a little (a very thin layer) of sheep compost once a month.
      A greeting.

  9.   Illi said

    Hello, I am interested in planting a tree of these in a hot area but I have already seen several of those in the region, I am only interested in knowing what the root is like
    Thank you

    1.    Monica Sanchez said

      Hi Illi.
      Cassia root is non-invasive, don't worry.
      Greetings 🙂.

  10.   Carlos Tobon said

    Hello Monica, I live in Medellin, Colombia, a tropical climate, with an average temperature of 26 degrees Celsius all year round about 1450 meters above sea level, since the month of November I have grown a Cassia Fistula tree and at the moment it has a height between 2 to 3 meters, not yet has taken out ramifications, is it normal? or what should he do to improve his condition?

    Thank you

    1.    Monica Sanchez said

      Hi carlos.
      Yes it's normal. Most likely, it will branch out next year. However, you can help a little by removing the newer shoots.
      A greeting.

  11.   Oscar alcides said

    Hi there! one of my favorite hobbies, after a work week, is reading almost every Sunday in a corner of the upper floor of my house, at the same height where the Cassia fistula blooms, and now is its flowering season. As the entire front is open by way of a large window, the view is splendid! Relax the mind, the spirit, do it.
    Thanks to this page I managed to find the name that corresponds to it. Greetings

    1.    Monica Sanchez said

      Thanks for your comment, Oscar. Enjoying plants is something magnificent, especially when it is done in the company of a good book. 🙂 Greetings.

  12.   Henrietta Moulder said

    Hello, I am from Buenos Aires, Argentina and I only have a patio, the Lluvia de Oro can grow in a large pot and come to flower .. I clarify that I have a Duranta that is perfect and is more than one meter high .. grateful already. . It could be that you answer me by mail because I don't know if they notify me of the blog's response .. greetings and see you soon

    1.    Monica Sanchez said

      Hello Enriqueta.
      Yes, you can have it in a -large- pot. It will grow well in it and it is sure to flourish.
      A greeting.

  13.   Leticia said

    Hello, I have some shoots of cassia fistula, I would like to know if you have any special care until they reach a certain maturity so that they do not die since I germinated them with great affection

    1.    Monica Sanchez said

      Hi, Leticia.
      I recommend sprinkling the surface of the substrate with copper or sulfur in spring and autumn, since fungi are very damaging to young plants.
      A greeting.

  14.   Paola said

    Hello, I live in Buenos Aires, Argentina. I am organizing my garden, which is very small, I wanted to place a rather perennial tree for shade more than anything but, I also like it with flowers. I have two dividing walls close to 1,50 approximately. I was looking for a tree / shrub that I can prune and that does not have many roots that affect the party walls.

    1.    Monica Sanchez said

      Hello paola.
      Have you thought of a citrus fruit: orange, mandarin, lemon, etc.? They are small trees that do not cause problems with their roots, and they produce pretty flowers.
      If you are not very convinced, you can look to put a Callistemon viminalis for example.
      A greeting.

  15.   Christina Zavala said

    Hey.
    I have been caring for a Cassia Fistula for about 5 months (since it germinated), but due to a work trip I did a month ago, it ran out of water for two weeks. Since then I have been watering it daily, and although it was recovering at first, now the stem is sagging again. What care should you give to save it?

    1.    Monica Sanchez said

      Hello Cristina.

      From what you reckon, he's having trouble due to overwatering.
      My advice: suspend watering until you see that the soil is very dry. And then, water about 3 times a week in summer, and 1 or 2 a week in winter.

      If you have powdered sulfur, copper or cinnamon, sprinkle it on the surface of the earth to prevent fungi from appearing.

      Regards!

  16.   Nicolas said

    Hello. I live in Argentina, in my city there is a specimen that I always see in bloom but I never see its pods with seeds ... where can I get them? Can you send me by mail?