Do Agapanthus Need Splitting?
When to Split Agapanthus Do the Actual Division When New Growth Emerges in Spring, or Else in Early Autumn After the Plants Have Finished Flowering. This...
Should you split agapanthus?
You should divide your agapanthus plants every 4 to 6 years or every time they start to get too big and under produce in terms of flowers. If you are growing them in pots they are more likely to stop flowering so as soon as you see this happening its time to divide and replant in well-drained quality compost.
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How often should you split agapanthus?
Divide congested clumps of agapanthus every four or five years. Lift the plants and carefully divide the crown with a sharp spade, making sure that each section has at least two growing points. You may need to use two garden forks back to back to divide very established clumps.