Oxalis, the envy of ＂migrant workers＂

Day after day, year after year,

Every "migrant worker" will have some small emotions.

Oxalis glabra OB

Especially in the recent two cold waves, everyone doesn’t want to climb out of the warm bed, and Uezuki is also very sympathetic. However, there is a kind of plant in Shanghai Botanical Garden that workers really envy, that is, sorrel.

Oxalis albiflora

Oxalis flavescens

Oxalis alkekengi

Why do you say that? First, Oxalis is very warm and comfortable because it lives in a greenhouse environment; Second, Oxalis does not have to get up early to go to work. Even on sunny days, its flowers bloom at around 11 o’clock every day, starting its "work" life; Third, if it is rainy, Oxalis can automatically "skip work", and the flowers will not bloom, so give yourself a holiday. This is really a model of life with "face and willfulness"!

Oxalis albiflora

Oxalis multiflora

Oxalis, like sunflower, likes a warm and sunny growing environment. Focus on it! Warm+sunny! This is the same as our office workers. The colder the weather, the more cloudy it is, and the more "home" we are. Therefore, the two most important factors affecting the flowering of oxalis are temperature and light.

Oxalis namaquana

Two-color ice cream oxalis

Oxalis is a kind of plant that likes strong light, and it must be placed in an environment with sufficient light and good ventilation after germination. Most varieties of oxalis only bloom in sunny days, and the petals will close when it is rainy, and they only bloom during the day and close at night. If there are too many rainy days, Oxalis will easily grow in vain due to lack of light, which will also affect the flowering effect. We can provide artificial lighting for Oxalis by means of fill light lamp.

Oxalis alkekengi

In addition to light, the biggest factor affecting flower blooming is actually temperature. Usually, the flowering temperature of Oxalis is above 15 degrees Celsius. There are often flower friends asking, it is clear that it is sunny, why do flowers still refuse to open? The main reason is that the temperature is too low to meet the conditions of flowering.

Sweetheart’ OB oxalis

At home, we can artificially promote flowers by heating, turn on the air conditioner, yuba or heater, and it will take about half an hour for Oxalis to bloom beautifully. In this way, office workers and flower friends will not be annoyed because they didn’t see the blooming of sorrel during the day! However, it should be noted that although artificial heating can promote the flowers to bloom, if you stay indoors without light for a long time, the plants will grow in vain, with yellow leaves and elongated between stems and leaves, and the oxalis will grow into a "thin and tall man". Of course, it doesn’t mean that the higher the temperature, the better. When the temperature is too high (about 30 degrees Celsius), the petals will turn out, which will affect the appreciation.

Windmill ‘OB oxalis

Oxalis pubescens

Oxalis magma

At the 5th Oxalis Variety Exhibition of "One Surprise, One Oxalis", several Oxalis varieties with low requirements for light and temperature were also recommended, such as OB Oxalis Windmill, Ye Xiang Oxalis, Oxalis Little Mermaid and Oxalis Congmao.

Oxalis palmatum

After understanding the habit that the flowering of oxalis requires "temperature+light", office workers don’t have to get up early to watch the exhibition of oxalis. It is a good time to enter the park around 11 o’clock on a sunny day!

Exhibition Name: "One Surprise, One Spike" The 5th Oxalis Varieties Exhibition.

Exhibition time: December 31st, 2020-January 17th, 2021.

Venue: Exhibition Greenhouse of Shanghai Botanical Garden (1)

Photo: Magic Capital Walker

Original title: "Oxalis" envied by "migrant workers"

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