Date: 20 Oct 2023
How to help a weak tree to recover and thrive?
Q: Look at my sad looking Lychee tree. Can you share with me any ideas about this tree condition?
A: From the photo (left), we see a few potential issues. The problem might be due to a combination of factors such as a heavy potting mix with poor drainage, over-watering, an underdeveloped root system sensitive to these conditions, leaf burn, and a lack of nutrients.
Suggestions for fixing the problem
1. Soil mix. First, assess the quality of the soil. If the plant has been in the same pot for a while, the soil at the bottom may have become compacted, leading to poor drainage. If this is the case, carefully remove the root system from the existing soil (by removing excess soil around the roots without disturbing the roots themselves). Repot the tree into fresh, well-draining potting mix with good drainage characteristics, which typically contains materials like bark and perlite. Ensure that the new pot is exactly the size of the root ball; using a significantly larger pot can lead to soggy conditions that harm the roots.
2. Light. Place the potted tree in an area with filtered light, avoiding direct sunlight throughout the day.
3. Water. Control the watering. During this recovery period, your plant will need very limited water until it shows signs of improvement and new growth. After repotting, water it thoroughly just once, and avoid watering again until the top layer of soil becomes dry. Then, water as needed. Avoid keeping the soil consistently wet, especially during rainy periods. Protect the plant from excessive rain.
4. Supplements. Consider applying Sunshine Superfood micro-elements following the label instructions, once a month. Additionally, using Sunshine Epi bio-stimulant, sprayed every other week, can help the plant recover from stress and encourage growth. You can also use Sunshine C-Cibus at half the recommended concentration with each watering. Hold off on any other fertilizers until the plant has sufficiently recovered and begins to show signs of new growth.
5. Transplanting. If you plan to transplant the tree into the ground, it's advisable to wait until spring when nighttime temperatures consistently stay above 65F for at least two weeks.
6. Temperature. Keep the tree in a warm environment. When temperatures drop below 50F, bring it indoors.
These steps should help the tree recover, grow healthy leaves, and establish a better root system, preparing it for successful transplantation into the ground or a larger container, ensuring a happy and productive life ahead.
