Delphinium plants need to be divided every 3 years, in early spring, as soon as there are signs of new growth. This will lead to healthy, vigorous growth and a longer-living plant as well as a crop of new ones. Division should be done when the plant is healthy.

When can you divide delphiniums?

Delphiniums need to be divided regularly, usually every three years to get the most out of them. It's important that you divide your Delphinium at the beginning of spring right when you notice the signs of new foliage. Doing so is important to the overall well-being of your garden.

Can I divide delphiniums in the fall?

Early spring and early autumn are the two preferred times for moving or dividing and replanting perennials.