How to make the orchid bloom

How to make the orchid bloom: what to do when the orchid does not bloom. Specific fertilizer and above all how to understand why the orchid does not bloom.

Why yoursorchid does not bloom? It often happens that after concluding the firstfloweringalready in place when the plant was donated or purchased, theorchiddo not want to know moreflourish again. My mother, among many others, tried them all: she changed pots, fertilized, tried different sun exposures, added stimulating fertilizers for the new flowering but… nothing! This is why I decided to write a guide onhow to make the orchid bloomindicating all the factors to be considered. Here is a series of tips and care to devote to an orchid without flowers.


The Orchideaceae family has about 25,000 spontaneous species. Of these, the most popular forcultivationmaid are only five:

  • Cymbidium orchid
  • Phalaenopsis orchid
  • Cattleya orchid
  • Paphiopedilum orchid
  • Dendrobium orchid

These are the species oforchidseasier tocultivatein the home environment. In summer, it is normal for theorchidintroduce yourselfwithout flowers: in this period the plant goes through a resting phase which will stop with the beginning of autumn.

How to make the orchid bloom

There are several determining factors to induce theorchid to bloom:humidity, soil fertility, irrigation, light, temperature changes and temperature in general.

Formake the orchid bloomyou have to try to check all the factors listed above.

  • Position in full sun in winter
    In winter theorchids they can be placed in full sun throughout the day: the sun's rays are low and the light is not so intense as to burn the leaves.
  • Night temperature
    For new stems to appear, the night temperature should be around 13 ° C.
  • Fertilizer
    A fertilizer rich in phosphorus and potassium is ideal for inducingorchid to bloom again.
  • The thermal shock
    The new stems will stretch throughout the cold season and in ideal conditionswill bloombetween Christmas and March. If the new stems have not formed spontaneously, it is possible to subject the plant to thermal shock in order to facilitate its appearance. This technique is valid for most species ofphalaenopsis orchid. Thanks to the temperature range, new stems are formed and theorchid blooms again.

Here's how to proceed to make an orchid bloom

  1. Wet the plant a little and expose it to the sun, put the plant outdoors if the daytime temperatures are between 10 and 15 ° C.
  2. If the night temperatures are far below the ideal of 13 degrees, store the plant indoors, away from the cold.
  3. Do this for 4 weeks.
  4. Gradually decrease irrigation.
  5. Administer, once a month, a liquid fertilizer based on nitrogen, phosphorus and potassium. Before adding the fertilizer, remember to wet the roots!

Thesecare to make the orchid bloomthey are valid in the period preceding flowering, starting from October. In summer, the plant should not be exposed to the sun. Because? Read it in the next paragraph.

Why doesn't the orchid bloom?

The orchid may not bloom due to poor management of the plant during the summer.

An excess of light and sun during the summer can compromise the formation of the floral organs, so the orchid may not bloom in the following season. Due to an excess of light and summer sun, the orchid could dofew flowers, produce small flowers or even not bloom at all.

In summer, most of the orchids should be kept indoors (especially Cattleya and Dendrobium). The only orchids to take outdoors during the summer are the less demanding species: the Cymbidium orchid and Phalaenopsis. These species can be grown outdoors during the summer months but only placed in partial shade, where the sunlight is filtered by a sunshade, a reed bed or the canopy of bare trees (except for pines or other coniferous trees that produce resins. harmful to orchid foliage). In the warmer months, it is advisable to always choose shady positions and shelter the orchids with trellises, nets, awnings…. As stated, an excess of sunshine might not make the orchid bloom!

Leaves as an indicator of your orchid's health

Leaves are a useful indicator of your orchid's health: shriveled leaves are an indication of water shortage, so you will need to increase the frequency or volume of water used when watering your orchid. On the contrary, if the leaves tend to turn yellow you may have exceeded with the water.

The orchid is sensitive to cold shocks that can cause a sudden "sagging" of flowers and leaves.

An indicator of too low light or too low humidity is instead constituted by the fall of the buds before they can open.

Fertilizer to make the orchid bloom

Thereorchid fertilizationit must be carried out carefully and systematically. Arm yourself with a calendar and fertilize as follows:

  • Every 10 - 15 days in the months preceding the orchid's flowering.
    That is to say, from October to March, the orchid should be fertilized every 10-15 days.
  • During flowering, decrease or completely stop fertilizing.
  • Throughout the summer, 2 fertilizations are enough to be administered in June and late August.

Forfertilize the orchidchoose a specific liquid fertilizer. Generally, we recommend that you always choose a low-cost fertilizer and avoid specific speculations ... however, with the orchid it is necessary to choose ad hoc fertilizers because they require a fertilizer rich in nitrogen, phosphorus, potassium but above all iron.

On the market there are many fertilizers for orchids, you can find them in garden centers or by taking advantage of the online purchase. On Amazon some excellent orchid fertilizers can be found at a price of 6 - 8 euros with free shipping costs. For all information, please visit the official page: "Fertilizers for orchids on Amazon“.

How to irrigate the orchid

The ideal way to irrigate the orchid is with the pot immersion technique. For all information on how to repot the orchid, I refer you to the page: orchid, repotting

Video: Make Phalaenopsis Orchids to Bloom Again. (January 2022).