Dahlia 'Urchin' Overview
Cactus Dahlia's are one of the most recognised type of Dahlia's. These fully double round blooms are formed from pointed and narrow ray florets (petal) that are curved outwards (revolute or under) for over 65% of their length. These tube looking petals can also sometimes curve upwards at the tip as well. As group 8 Cactus Type Dahlia cultivars come in a wide range of colours and sizes from giant to miniature. there will be a plant to suit every garden. Regular watering and cutting flowers from this plant will improve performance. These plants may need staking; however, pinching out the growing tips in early summer will help it develop a bushier habit. The genus Dahlia contains around 20,000 cultivars which are predominantly derived from D. pinnata and D. coccinea. Most Dahlias are divided into groups based on the form of their flower heads, from dwarf varieties to tall bushes and even tree specimens. This group of cultivars can have the abbreviation (C) or the no. 8 included in their name.