Which flowers and trees are suitable for planting in acidic soil?
Soil is the foundation for the growth of plants grown in soil. Every plant has different soil requirements, and not just any soil will do. You need to consider fertility and pH, among other things. So which flowers and trees are suitable for planting in acidic soil?
Which flowers are suitable for planting in acidic soil
Every time an important holiday comes around, someone always complains about “spending too much and having to eat dirt,” and some even say they can no longer afford to eat dirt. To be serious, some elderly people today really did live through times when they relied on eating dirt to get by, and dirt is not something you can just eat any way you like; it has to be eaten scientifically. Plants are particular about eating soil too; only by finding soil that suits them can they grow healthily. The south is rainy and humid, and its soil is mostly acidic. Generally speaking, flowers native to the south are all suitable for planting in acidic soil, such as rhododendron, gardenia, jasmine, camellia, southern magnolia, cyclamen, lily, begonia and orange jasmine, among others.
1. Rhododendron
Only this flower follows the Yue bird; where it cries, the whole mountain turns red. The rhododendron that dyes the whole mountain red is also called yingshanhong, and it is a typical indicator plant of acidic soil in the central-southern and southwestern regions of China. In the south it is mainly planted in the ground, while in the north it is mainly grown in pots. It likes acidic sandy soil and also likes acidic water.
When watering rhododendrons, try to choose acidic soil. If the water quality does not meet the requirements, ferrous sulfate or vinegar can be added for acidification treatment.
2. Gardenia
Gardenia is grown in most parts of the country, concentrated in East China, central-southern China and the southwest, and these places are exactly where acidic soil is concentrated. Gardenia likes fertile, loose sandy loam. If the soil and water contain high levels of alkaline components, it will affect the plant's absorption of iron, causing the leaves to turn yellow or even die. Yellowing leaves are a common problem encountered with flowers, so you might as well drip a few drops of vinegar into the water when watering.
3. Camellia
Camellia is one of China's ten traditional flowers. It originated in eastern China and likes slightly acidic mountain red (yellow) soil, with pH 5.5—6.5 being optimal.
4. Orange jasmine
Orange jasmine, also known as yuzilan or mizilan, originated in South China. Its flowering period is from May to December, and its flowers are yellow. Orange jasmine likes a warm, humid environment and has weak cold resistance. When the temperature is below 16 degrees Celsius, growth slows, and when the temperature approaches zero degrees, the whole plant will die. It is suitable for growing in slightly acidic sandy soil.
Which trees are suitable for planting in acidic soil
Now that we have finished discussing which flowers are suitable for planting in acidic soil, let us look at trees. Most flowers can be grown in pots, and by improving soil pH, they can also be grown in pots in the north. Trees, especially large trees, are mainly planted in the ground and are more dependent on the native soil. Trees suitable for planting and growing in acidic soil include tea tree, Elaeocarpus, ginkgo, deodar cedar, Japanese white pine, fir and tung tree.
1. Tea tree
Anyone who has studied tea knows that tea trees are suitable for growing in soil with pH 4.5—6.5, and China's famous teas are mostly produced in the hilly areas of the southeast. The sap of tea tree roots contains some organic acid substances and has a strong buffering capacity against acidity, which is an important reason why tea trees like acidic soil.
2. Elaeocarpus
Elaeocarpus is a subtropical tree species and an evergreen tree. From autumn and winter to early spring, some leaves turn crimson, making it highly ornamental. Elaeocarpus has strong adaptability and likes acidic soil, growing vigorously in acidic yellow soil and red-yellow soil.
3. Ginkgo
At present, ginkgo is cultivated and planted in many places across the country, so much so that many people have forgotten its noble status. It is a rare relict tree species from the Mesozoic Era, older than the “once upon a time” that appears in ordinary fairy tales. It grows slowly and lives long, making it the longevity star among trees. This longevity star has a relatively wide adaptability to soil and can grow in both acidic soil with pH 4.5 and calcareous soil with pH 8.
4. Fir
Fir is the collective name for plants in the family Taxodiaceae, with 15 species in total, such as the genus Cunninghamia and the genus Metasequoia. Fir is a common building material and is suitable for growing in acidic yellow soil, red soil and yellow-brown soil.
Not only humans love soil deeply; plants are even more dependent on soil. When planting plants, everyone must clearly understand soil properties and plant growth habits: what is suitable for planting in acidic soil, what is suitable for planting in alkaline soil, which flowers like acidic soil, and which trees prefer alkaline soil.
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