Growing lemon trees from cuttings can be a rewarding but somewhat challenging process, and it may not always be possible to achieve significant growth within just 30 days. However, I can provide you with a general outline of the steps to propagate lemon trees from cuttings. Keep in mind that lemon trees typically require more time to establish strong root systems and develop into healthy plants.

Materials you’ll need:

1. Healthy lemon tree branch or cutting (approximately 6-8 inches long)
2. Pot or container with drainage holes
3. Well-draining potting mix (a mix of peat moss and perlite works well)
4. Rooting hormone (optional but recommended)
5. Plastic bag or plastic wrap
6. Rubber band or twist tie
7. Water

Steps:

1. Select a Healthy Cutting:
   • Choose a branch from a healthy lemon tree that is free from diseases and pests.
   • The cutting should be about 6-8 inches long and have at least a few leaves.
2. Prepare the Cutting:
   • Cut the branch just below a node (where leaves or branches attach to the stem) at a 45-degree angle.
   • Remove any leaves from the lower half of the cutting, leaving a few leaves at the top.
3. Use Rooting Hormone (Optional):
   • Dip the cut end of the cutting in rooting hormone (this helps promote root development but is optional).
4. Plant the Cutting:
   • Fill a pot or container with well-draining potting mix.
   • Insert the cutting into the potting mix, burying it about 2-3 inches deep.
   • Gently press the soil around the cutting to ensure good contact.
5. Water the Cutting:
   • Water the cutting thoroughly after planting to settle the soil.
   • Keep the soil consistently moist but not waterlogged.
6. Cover with Plastic:
   • Place a clear plastic bag or plastic wrap over the cutting to create a mini greenhouse environment.
   • Secure the plastic around the pot with a rubber band or twist tie to create a sealed, humid atmosphere.
7. Provide Light and Warmth:
   • Place the pot in a location with bright, indirect sunlight.
   • Ensure the temperature remains warm, ideally around 70-80°F (21-27°C).
8. Monitor and Maintain:
   • Keep an eye on the cutting for signs of growth.
   • Mist the cutting occasionally to maintain humidity inside the plastic.

It’s important to note that lemon tree cuttings may take several weeks to months to develop strong roots and grow into healthy plants. In some cases, it may take longer than 30 days to see significant growth. Be patient and continue to care for your cutting, and it will eventually establish roots and grow into a young lemon tree. After it has grown larger and developed a strong root system, you can transplant it into a larger pot or into the garden.