According to our extensive experience over the years, transplanting sweet-scented osmanthus trees is typically best done in late winter or early spring. However, this year in mid-May, due to urgent requirements for a residential landscape project, we had to proceed with the transplantation despite the challenging weather conditions. At that time, the temperature in Xiangfan City had already risen above 30°C, and the climate was dry with little rainfall. Transplanting under such conditions posed a high risk of dehydration and even plant death. Nevertheless, we were fully prepared and implemented various strategies to ensure the survival of the transplanted trees. Now, we would like to share our detailed experience.
First, we carefully selected healthy osmanthus trees with dense foliage and strong branch development. Before transplanting, we considered the tree's nutritional needs and pruned the crown appropriately to balance the root-to-shoot ratio, which helped improve the chances of successful establishment.
Transplanting in summer presents numerous challenges, especially for smaller trees. Only large osmanthus trees with a well-developed root ball can survive the process. The ideal root ball size should be approximately 2.2 meters in diameter and 1.5 meters in height to ensure sufficient root retention.
Once the trees were dug up, they were immediately wrapped in cloth and secured with two layers of grass rope. The packing was done carefully to prevent the root ball from breaking during lifting. A soft rope was used for lifting, and a layer of straw padding was placed between the rope and the trunk to protect the bark from damage.
During transportation, the ground was leveled, and the trees were placed into pre-dug planting holes. At this stage, we added a rooting agent to promote faster root growth. We also trimmed the tree’s crown by removing dense branches, slender shoots, and any diseased parts. Large cuts were sealed with plastic film to reduce water loss. To maintain moisture, we watered the trees once a week and sprayed water on the canopy to keep it humid.
The entire transplanting process—from digging to planting—was completed on the same day. We made sure to minimize the time the trees spent out of the ground, as this was crucial for their survival. All necessary preparations, including digging the tree pits and preparing the soil, were done in advance.
After planting, we focused on creating a favorable microclimate. In the first week, we misted the trees two to three times daily to maintain high humidity and warmth, which is essential for recovery. We also set up a shading structure using bamboo poles and shade nets, particularly on the southern side, to protect the trees from direct sunlight. On rainy days, we removed the shade nets to allow the trees to receive natural rainwater and nutrients.
Although this process required significant effort and attention, it proved highly effective in ensuring the survival and healthy growth of the transplanted osmanthus trees.
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