La orchid It stands out for its elegance and exoticism, brightening homes and offices with its unique presence. The beauty of its flowers makes it one of the most appreciated ornamental plants, but its care, especially after flowering, raises questions and challenges. In this article, we offer a A detailed and practical guide to caring for your orchids after flowering., covering everything from proper pruning to transplanting, substrate types, fertilization, tips for new flowering, and handling common problems. You'll learn not only how to keep them alive, but also how to promote a vigorous flowering year after year.
When and why to prune an orchid after flowering
The ideal moment for prune an orchid It is just after all the flowers have fallen. This period usually coincides with the plant's dormant state, when it stops its floral growth to focus on storing energy. Although annual pruning is not mandatory for all varieties, it is a Recommended maintenance to encourage more robust flowering and keep the plant free of damaged or diseased parts.
Observe your orchid: if you find dry, yellow, or damaged sticks, leaves, or roots, is a clear sign that it needs intervention. Removing these elements allows the plant's energy to be channeled toward healthy tissues and makes the next bloom more spectacular. After proper pruning, it usually takes eight to twelve weeks for the orchid to produce vibrant flowers again.
Necessary tools and preparation prior to pruning
- Sharp and sterilized pruning shears: essential to prevent the transmission of diseases.
- Gardening gloves: protect your hands from possible cuts and contact with irritating sap.
- Cinnamon: helps heal cuts and prevents fungal infections.
- New pot and substrate (if repotting): Choosing the right container and medium is vital for post-pruning recovery.
- Protective goggles: especially useful if the plant is large or if you are allergic.
How to prune orchids after flowering: step by step
In the proper pruningExamine all the flower stalks. If the stalk is completely dry, yellow, or brown, cut it from the base, at the leaf level. If the stalk is still a healthy green color, you have two options:
- Cut over the third knot (counting from the base): stimulates the emergence of new lateral buds, from which additional flowers or a keiki (sprout) can emerge.
- Leave the stick until it dries.: Sometimes the orchid will sprout again from the top nodes without the need for drastic cutting.
After pruning, apply cinnamon powder on the wound to seal the cut and reduce the risk of fungus or bacteria.
What to do with the leaves and roots after flowering?
The orchid leaves and roots They require special attention after the flowers fall. If the leaves remain green and firm, they don't need pruning. However, if you notice yellow or brown leaves, remove them to prevent them from becoming a source of infection. Regarding the roots:
- White or silver roots: indicate that they are dry and need watering.
- Black, brown or soft roots: They should be removed, as they are usually due to excess moisture, pests or lack of space in the pot.
It's advisable to remove the orchid from the substrate during root pruning, as this will allow you to inspect its overall condition and ensure you only remove the truly damaged parts. Don't forget to apply cinnamon if you make root cuts.
Different varieties of orchids and their particularities
There are more than 25.000 varieties of orchids, grouped into several genres, although the most common in homes are Phalaenopsis, known for their hardiness and beauty. Other popular varieties include:
- Cattleya
- Dendrobium
- vanda
- Cymbidium
Although basic care is very similar, some species may require specific adjustments in watering, environment, and pruning. For this, we recommend consulting our complete guide on orchid care and its peculiarities.
Basic orchid care after flowering
- Indirect lightPlace your orchid in a bright room, but not in direct sunlight. A translucent curtain helps filter the light.
- Moderate temperature: Most orchids thrive between 15 and 27°C, although a slight drop in temperature at night helps stimulate future blooms.
- High ambient humidity: Spray the plant with water if the air is dry, but avoid over-wetting the leaves.
- Moderate watering: Let the substrate dry completely before watering again. The roots should remain firm and green or silvery.
- Good drainage: Use pots with holes and special substrate for orchids to avoid waterlogging.
- Specific fertilization: Use liquid or stick fertilizers designed for orchids, especially during dormant or pre-flowering periods.
- Pruning dry canes: is key to the health and appearance of the plant.
- Biannual transplant: Approximately every two years, change the substrate and check the roots.
Orchid substrate: the secret to healthy roots
Orchids require a very special substrate that provides aeration and drainage, unlike traditional plants. This is essential to prevent root drowning and the growth of fungus. The most recommended substrates include:
- Pine bark: provides support and allows air to circulate.
- Sphagnum moss: retains moisture and improves aeration (ideal for covering the surface).
- Perlite or vermiculite: They are usually mixed with bark to optimize drainage.
- Expanded clay balls: very light and useful as a base for drainage.
- These ingredients can also be combined to adjust the substrate to the needs of each species.
The substrate should be renewed every few years and never reused, as it can accumulate viruses, fungi or bacteria that are harmful to the roots.
Fertilization and post-pruning care
The orchid substrate provides almost no nutrients, so it is essential provide specific fertilizer During the dormant period and before the next flowering period. You can choose between:
- Liquid fertilizers (added to irrigation water)
- Slow-release ampoules (inserted into the substrate)
- Rods or nails (they are buried in the substrate and gradually dose the fertilizer)
Follow the manufacturer's instructions and avoid over-fertilizing, as this can burn the roots.
How to encourage new flowering after pruning
To encourage reblooming, make sure your orchid experiences a day-night temperature difference of at least 5°C. If your climate is uniform, move your orchid to a cool location at night for a few days to mimic the natural drop in temperature. You can also learn all about the orchid care in winter to enhance its flowering.
Proper watering, lighting, and nutritional intake help the plant develop new roots and leaves, and later, flower stems. Patience is key: after pruning, it can take several weeks for the orchid to produce a new stem.
Pots and training of flower stalks
The transparent pots They are ideal for orchids, as they facilitate photosynthesis through the aerial roots and allow their condition to be monitored. However, they also thrive in opaque pots, as long as drainage is optimal. tutored (placing a plastic or wooden rod to support the poles) is recommended for large plants to prevent them from accidentally falling over or breaking. For more guidance, see our guide on the best substrate for orchids.
Risks, problems and myths in post-flowering care
Many people think that if an orchid loses its flowers it has died, but it is not trueAfter flowering, the plant simply goes dormant and requires continued care. The most common problems include:
- Root rot: caused by excess water or poor drainage.
- Absence of flowering: It is usually due to lack of light, nutrients or temperature variation.
- appearance of pests: such as mealybugs, aphids, or mildew. Inspect and treat promptly if you detect them.
In addition, you should know that orchids can, after pruning, develop keiki: small plants that emerge from flower stems and can become independent once they have roots.
Phalaenopsis Orchids: Care and Transplanting After Flowering
La Phalaenopsis It's the most common and appreciated orchid. After flowering, it not only requires pruning, but also a check of the substrate and roots. To repot it:
- Water lightly to soften the roots and carefully remove it.
- Removes brown, dry or soft roots.
- Place the plant in fresh substrate (preferably pine bark or sphagnum moss) and never reuse it.
- Avoid transplanting during flowering, always do it during the dormant phase.
Once repotted, continue to care for your Phalaenopsis with light, humidity, and specific fertilizer. Wait for a new flower spike to develop when conditions are right. To do this, you may also find it helpful to learn about how orchids bloom.
