Delphiniums prefer moderate climates – not too warm and not too cold. They grow and look their best in moist, cool, moderate climates and tend to suffer in areas with dry heat. Although ...

Delphiniums do not usually need a trellis, however, they do grow best when supported with a stake. This is because the stem ...

Tip: This technique can be used on other perennials that grow in a similar way, such as chrysanthemums and lupins.