Orchid not blooming, root rot, bud rot - what to do? 3 simple steps to solve it
See how fresh and pleasing the orchid looks, you really want to take it home. But you need to know how to care for it, otherwise it will easily get root rot, stem rot, and stop blooming.
This orchid's stem and buds have rotted. If not treated, next comes root rot and yellow leaves - how would it ever bloom?
Step one: remove the rotten stems with a sharp knife. Note that the knife must also be sterilized, then soak the roots in carbendazim for 2 hours. If you don't have carbendazim at home, alcohol can also be used for sterilization.
Step two: replace all the old pot and soil. If you can ensure thorough sterilization, you can also keep the original pot and soil. After planting in the pot, spray the soil with carbendazim or alcohol once a week for one month. At the same time, add akadama soil and Kanuma soil to the potting mix - remarkably effective at preventing root and stem rot. Whether it survives depends on luck.
Step three: pay attention to watering and fertilizing at all times. Do not water until the soil is dry; use organic fertilizer as the main fertilizer. Cake fertilizer, chicken manure, sheep manure, horse manure are all fine. If you're afraid of the mess and too lazy to ferment these fertilizers, use organic nutrient solution - the effect is the same.
Reasons orchids don't bloom, how to deal with orchid root rot
What to do when orchids have root rot and don't bloom - I believe these two problems are commonly encountered by orchid growers. First, when you encounter root rot and failure to bloom, don't panic. First find out the causes of the root rot and failure to bloom, then solve the problems one by one, and issues like root rot and failure to bloom can be well resolved.
How to deal with orchid root rot 1. Orchid root rot: substrate selectionAlthough orchids like moisture, their fleshy roots fear waterlogging - excessive moisture or rain accumulation easily causes root rot. So the orchid growing substrate must drain well and be breathable, moist but not waterlogged, dry but not parched. If the substrate has poor breathability, once overwatered or exposed to rain, drainage will inevitably be poor, causing the roots to become waterlogged and suffocate from lack of oxygen. If pathogens invade at this point, the roots will rot. Therefore, place crushed brick pieces, crushed charcoal pieces, crushed oak bark, etc. at the bottom of the pot. Mixing in an appropriate amount of leaf mold also works very well - it drains and breathes, retains moisture without waterlogging, and provides some fertility. But note that all materials used must be non-toxic, sterile, pollution-free, and free of parasitic insect eggs, otherwise they will also harm the orchid roots.
2. Orchid root rot: water quality requirementsOrchids are pure and elegant plants that require clean, sanitary, pollution-free water. If water contaminated by pathogens or toxins is used, it will poison the orchid plant, causing the roots to turn black and rot, and even the whole plant to die. Orchid cultivation requires slightly acidic water and soil, i.e. water and media with a pH of 5.5~6.5. A pH below 5 is too acidic, and above 8 is too alkaline - neither is suitable. When watering orchids with tap water, put the tap water in a bucket or basin for a few days to let the chlorine evaporate before use.
There are many orchid varieties, so their blooming times differ. For example, Cymbidium goeringii blooms in February, Taiwan orchid blooms in April, Cymbidium faberi blooms in April, Cymbidium ensifolium blooms in July, Cymbidium sinense blooms in January, and Cymbidium kanran blooms in November. If an orchid is slow to bloom, it may be because it hasn't reached blooming age, varietal differences, disordered physiological growth, or improper cultivation methods. The specific analysis is as follows:
Reasons orchids don't bloom 1. Not old enoughSeedling-grown and tissue-cultured orchids may not bloom even after years of cultivation. Like other plants - for example, fruit trees must reach a certain age before they bloom and bear fruit - orchids must also reach a certain age before they can bloom and set seed.
2. Different environmentsDifferences in species between orchid types and different climate conditions in various regions often make it difficult for orchids to bloom. The large latitude differences between north and south can also cause failure to bloom or abnormal blooming. For example, some wild orchid species are extremely sensitive to climate and will never bloom again once they reach a place with relatively large climate differences.
3. WateringToo much: overwatering during the flower bud differentiation stage and overly wet substrate will also lead to excessive vegetative growth and inhibit reproductive growth. Because when the substrate is too wet, the nutrients it contains are constantly released and absorbed by the roots along with water, then transported to the leaves to participate in the plant's metabolism. Once metabolism is strong, respiration becomes vigorous, thereby offsetting the products of leaf photosynthesis. The accumulation of organic matter in the orchid plant is affected, and flower bud differentiation lacks the necessary driving force.
4. Too little lightOrganic matter accumulation is limited and cannot supply the needs of reproductive growth. Although orchids are shade-loving flowers, that doesn't mean they need no light. They only avoid strong direct light and long periods of light; they need diffused, scattered light (partial shade). Plants grown in dark places often have thick, lush green leaves but bloom with difficulty and less often. Plants grown facing south and with partial shade in midsummer have slightly yellow-green leaves but bloom more, and the flowers are pretty and fragrant.
5. Soil too richWhen the orchid's growing medium contains too much nitrogen and too little phosphorus and potassium, it leads to excessive vegetative growth and inhibited reproductive growth. The solution is to switch to a medium with balanced nitrogen, phosphorus, and potassium, or apply more phosphorus and potassium fertilizer.
What to do when orchids have root rot and don't bloom
Flower and Bonsai Network introduction: we've covered using beer to grow flowers. Now let's talk with the Flower and Bonsai Network editor about what to do when orchids have root rot and don't bloom. Let's take a look.
Compared with potted plants like spider plants, pothos, and lucky bamboo, orchids are rather delicate flowers. Delicate, yes - the key is that the grower doesn't grasp the plant's temperament. Why don't orchids bloom? Why do they get root rot? Below we solve common problems when growing orchids.
Orchid root rot
Orchids kept at home easily get root rot, mostly because of overwatering or watering too vigorously. Orchids relatively prefer a dry environment. If the growing environment is too humid, the orchid's growth will be restricted and root rot will result. So water in moderation.
Next is fertilizing. Generally, orchids should not be given too much fertilizer, to avoid root rot. Generally, natural biological fertilizers or bark can be used.
Orchids not blooming - is it really all the fertilizer's fault?
If an orchid doesn't bloom, most people think it's due to insufficient nutrients and start adding fertilizer, which then leads to root rot and even yellow leaves and no blooming. Actually, when growing aloe, the key reason for failure to bloom is the temperature difference. With a suitable temperature difference, orchids can bloom well.
To grow orchids well, you can't pamper them too much
Actually, many people love orchids and are very devoted to them, handling them carefully for fear of killing them. But when growing orchids you can't pamper them too much - don't move their position casually, because this will cause the orchid to constantly strive to adapt to a new environment. Although orchids don't demand much from their environment, their ability to adapt is also poor, and casually moving their position will cause them not to bloom.