Q.Do Tuber Roses Need To Be Thinned To Promote Blooms
For 2seasons my tuber rose had not bloomed. It is planted in a large pot that is filled with beautiful green leaves but no bloom shoots. It gets lots of sun in the Central Valley of CA. It has bloomed in the past.
Certified GKH Gardening Expert
Overcrowding can be a common issues to slow down or halt blooming. There could be a few other reasons, as well.
Overcrowding is a common issue that stops blooming on many plants. You can divide out, but be sure that your soil is well balanced. Too much nitrogen will make it difficult to take up potassium and phosphorus. pH can be too high or too low, as well. These are necessary to maintain get nice blooms.