Originally from Mexico and Central America, the dahlia is a wonderful flower that has over 42 subspecies. The form varies a lot, with flower heads ranging from 5 cm up to 30 cm. You also see great variance in the stem length, ranging in height from 30 cm up to a maximum of 2.4 meter. The dahlia is related to the sunflower, chrysanthemum, daisy and zinnia making it a perfect flower for any colourful summer arrangement. To get the most out of your dahlia we have the following care tips for you.