Anthurium leaves turn yellow and spotty, here's a trick to make them green immediately

Both new and old leaves turn yellow or black

Frostbite caused by low temperature

(Photo by: Kele Ning Source: Fenghua Forum)

Workaround

Anthurium is not cold-resistant. The suitable growth temperature is 20-30 degrees. It will stop growing below 15 degrees, and it is prone to frost damage below 10 degrees. Therefore, everyone should be alert to frost, rain and snow, and place the flowers in a place with suitable temperature indoors (avoid radiators, air conditioning outlets, etc.).

If you can't guarantee the temperature, you can put the anthurium in a plastic bag to keep it warm. Also, control the watering. The watering time should be 10 am or 2 pm.

Insufficient light causes yellowing

(Photo by: xiaotham Source: Tahuaxing)

Workaround

Although Anthurium is shade-tolerant, it also needs light. Many families keep Anthurium in a shady environment, which will turn yellow over time. Therefore, the correct approach is to place it in a balcony or living room with bright and diffused light for maintenance.

New leaves turn yellow and black, old leaves are normal

Excessive watering, waterlogging

(Photo by: xiaotham Source: Tahuaxing)

Workaround

1. Anthurium is not tolerant to waterlogging, so just follow the principle of not watering unless the soil is dry. Generally speaking, it only needs to be watered once a week in spring and autumn. In summer, the evaporation is fast, so the watering frequency can be increased. In winter, the evaporation is slow, so the watering frequency should be reduced. No matter when you water, do not allow water to accumulate. Don't water until the soil surface turns white and dry.

2. The soil for Anthurium should not be too compacted. It is best to use peat soil: perlite: coarse river sand in a ratio of 3:1:1, and then put a layer of expanded clay at the bottom of the flowerpot for permeability. Also, don't use a pot that is too deep or too large, as it may easily rot the roots.

Old leaves turn yellow and black, new leaves are normal

Lack of water causes yellow leaves

Workaround

When Anthurium is short of water, the bottom leaves will turn yellow. At this time, it is necessary to replenish water in time. Anthurium is generally not watered unless the soil is dry. Water it only when the soil is dry. Water less in winter when the temperature is low.

Normal metabolism

Workaround

Don't worry, just cut off the yellow and black leaves.

Yellowing and scorching of leaf edges

Dry air causes yellow leaves

(Author: Open Crotch Iron Shirt Source: Red Palm Bar)

Workaround

Indoor temperatures in the north are generally dry in winter, so you should spray water on the leaves of anthurium during the day to keep them moist, or wipe the leaves with a wet cloth to increase the humidity. Be careful not to spray water at night to prevent frostbite.

Brown spots on leaves

Lack of ventilation leads to bacterial infection

(Author: Yifeng Yongsui Source: Hongzhang Bar)

Workaround

In winter, the doors and windows of a house are basically closed, and the lack of air circulation can easily lead to bacterial infection. The correct approach is to leave a small gap in the window to let fresh air in. In addition, you can spray the anthurium with some carbendazim or thiophanate-methyl every week to kill bacteria.

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