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VOA健康报道2023--How to Help Your Garden Get Through the Heat

时间:2023-08-29 00:51:32

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How to Help Your Garden Get Through the Heat

Record-breaking heat is affecting plants in many places around the world. But gardening expert Jessica Damiano says selecting the right plants and a little care could save them.

Damiano wrote recently that her tomato plants have not developed much in the past few weeks, but her flower garden is doing very well. Despite temperatures over 37 degrees Celsius1 in the New York area, Damiano said she has watered her flower garden just two times this summer.

Choosing heat-tolerant plants

Damiano says that in extreme heat, and when that heat is dry, soil moisture evaporates quickly. Plants will turn to their own limited moisture storage when they need water. This requires them to use energy toward cooling and using water. This energy should be spent on growth, flowering, fruiting and reproducing. The stress often completely weakens the plant.

When plants are native to an area, they naturally develop deep, large root systems. These systems permit the plants to reach distant sources of moisture when the nearby area dries out.

Many foreign plants, including most plants that live for just one year, have root systems that are not deep. This means they must depend on the top few centimeters of soil for all of their water needs. When it dries up, so do they.

To save water, money, and effort, Damiano suggests researching which plants are native to your area. Some native plants for Damiano's New York area include yearly returning plants like bee balm, black-eyed Susan, and purple coneflower.

But she also has some non-native plants that tolerate both the heat and dry weather. She keeps yearly returning plants, or perennials2, in her beds, and plants that last one growing season, or annuals, in containers.

Damiano says the flowering plant "Bounce" impatiens live up to their name in her containers. They bounce back from being weakened by a hot and dry day after being watered.

Plants like sedums, or stonecrop, are highly tolerant to dry, hot weather. This is because their leaves store moisture and release it as the plants need it. Other plants that can deal with heat include beardtongue, catmint, floss flower, lavender, and moss3 rose.

Planting advice

When planting, Damiano says she always dusts root balls with fungi4 called mycorrhizae. It helps grow roots and helps plants deal with severe heat. She also treats her plants once a month with two products: a seaweed-containing fish mixture and a vitamin-hormone-kelp product.

Seaweed and kelp are plants that grow in water. They have been shown to help other plants in difficult environments. These additions also help plants grow quickly after dividing and transplanting.

Finally, Damiano says the last addition is a good amount of mulch on top. Mulch not only keeps things looking clean, but it also helps to keep soil moisture and soil temperatures even. And it keeps unwanted plants from growing. Mulch can mean the difference between plant life and death when it gets hot.

Words in This Story

garden – n. an area of ground where plants (such as flowers or vegetables) are grown

moisture – n. a small amount of a liquid (such as water) that makes something wet or moist

tolerate – v. to experience (something harmful or unpleasant) without being harmed

bounce back – phr. v. to return quickly to a normal condition after a difficult situation or event

fungus5 – n. any one of a group of living things (such as molds, mushrooms, or yeasts) that often look like plants but have no flowers and that live on dead or decaying things

mulch – n. a material (such as straw, leaves, or small pieces of wood) that is spread over the ground in a garden to protect the plants or help them grow and to stop weeds from growing


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1 Celsius AXRzl     
adj.摄氏温度计的,摄氏的
参考例句:
  • The temperature tonight will fall to seven degrees Celsius.今晚气温将下降到七摄氏度。
  • The maximum temperature in July may be 36 degrees Celsius.七月份最高温度可能达到36摄氏度。
2 perennials dd1da7255ff0f94f2a84a6a489e75952     
n.多年生植物( perennial的名词复数 )
参考例句:
  • Name six perennials and six annuals suitable for indoor flower arrangement. 列出多年生及一年生花朵各六种,它们必须是适合插花的。 来自互联网
  • Herbage can be divided into three categories: annuals, biennials, and perennials. 草本植物可分成一年生、二年生和多年生。 来自互联网
3 moss X6QzA     
n.苔,藓,地衣
参考例句:
  • Moss grows on a rock.苔藓生在石头上。
  • He was found asleep on a pillow of leaves and moss.有人看见他枕着树叶和苔藓睡着了。
4 fungi 6hRx6     
n.真菌,霉菌
参考例句:
  • Students practice to apply the study of genetics to multicellular plants and fungi.学生们练习把基因学应用到多细胞植物和真菌中。
  • The lawn was covered with fungi.草地上到处都是蘑菇。
5 fungus gzRyI     
n.真菌,真菌类植物
参考例句:
  • Mushrooms are a type of fungus.蘑菇是一种真菌。
  • This fungus can just be detected by the unaided eye.这种真菌只用肉眼就能检查出。

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