What Flowers are Suitable for Growing in Langfang
Langfang, located in the core area of the Jingjinji region, has become an ideal area for flower cultivation in the North China region, thanks to its temperate monsoon climate characteristics and distinct four seasons. The abundant sunlight and the climate advantage of concurrent rain and heat provide unique conditions for the growth of various plants.
Langfang's Climate and Plant Compatibility
Characteristics of Temperate Monsoon Climate
With an average annual temperature of 11.9℃, Langfang can reach extreme high temperatures of 38℃ in summer and break through -15℃ in winter. The temperature difference between day and night in spring and autumn can reach more than 12℃, and the annual precipitation is concentrated from June to August, forming a typical growing season with synchronized rain and heat.
Preferred List of Ground-Planted Plants
Garden Landscape Plants
Roses, begonias, and hibiscus are among the outstanding shrub plants, with roses having a flowering period from May to November, and cold-resistant varieties can tolerate temperatures as low as -20℃. Trees such as ginkgo and Chinese scholar trees have strong drought resistance, with well-developed root systems that can withstand gale-force winds up to level 8.
Seasonal Flower Arrangement
In spring, forsythia and February兰花 create a yellow and purple color collision landscape; in summer, hydrangeas and Chinese trumpet creeper form vertical greenery; in autumn, the ground covering plants display red leaves; and in winter, pearl plum blossom maintains an evergreen state. It is recommended to use a seasonal combination of hibiscus (summer) - ginkgo (autumn) - Chinese scholar tree (winter).
Key Points for Indoor Potted Plant Management
Selection of Spatial Adaptability
Shade-tolerant plants such as epipremnum and hanging orchids are suitable for north-facing balconies, while bougainvillea and Catharanthus roseus require at least 4 hours of direct sunlight per day. It is recommended to use clay pots combined with pearl rock substrates to enhance drainage and prevent root rot disease.
Overwintering Protection Measures
From the end of October to mid-April of the following year, plants need to be moved indoors and maintain an ambient temperature of 12-18℃. Using a double-glazed window plus supplemental lighting combination can allow flowers like clivia miniata to maintain normal growth rhythms.
Interpretation of the City's Symbolic Plants
Ecological Value of Roses
As the city flower, roses cover an area of 1,200 hectares in Langfang, with roots that can penetrate 1.5 meters into the soil, effectively binding sandy soil. Double-petal varieties can produce up to 300 flowers per plant per year, creating a continuous landscape effect.
Cultural Connotation of Chinese Scholar Trees
There are 237 ancient and famous trees of Chinese scholar trees in the city, 68 of which are over 100 years old. Their compound leaves have a dust retention capacity of 35 grams per square meter, and the honey production from scholartree flowers in May and June accounts for 40% of the total honey production in the city.
By scientifically selecting suitable varieties and combining Langfang's unique climatic patterns with maintenance management, whether it is for courtyard landscape construction or indoor greening decoration, an ecological effect of flowers in all seasons and greenery throughout the year can be achieved. It is recommended for plant growers to refer to the "Native Plant List" issued by the municipal garden department and prioritize locally acclimatized excellent varieties.
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