The present invention relates generally to the field of molecular biology and concerns a method for enhancing various yield-related traits in plants by modulating expression in a plant of a nucleic acid encoding a TCP1 transcription factor. The present invention also concerns plants having modulated expression of a nucleic acid encoding a TCP1 polypeptide, which plants have enhanced yield-related traits relative to corresponding wild type plants or other control plants. The invention also provides constructs useful in the methods of the invention.