Michaelmas Daises are regarded by some Irish landscapers as plants which can be left to look after themselves. This view is not entirely correct though. All flowers need some maintence! And the Aster is certainly not trouble free. Powedery mildew and other diseases can be a serious problem and the stalking of tall varieties is neccessary. All types, except for A amellus need lifting every other yearand the center of the clump discarded. They can make your garden design bright and colourful as they show pink or lavander flowers each autumn. But pink and lavander may be the most popular colours but they are not the only one landscapers use. There are giants and dwarfs aswell as the favorite 3 and 4 foot varieties. General landscaping care consists of mulching in May, watering in dry weather, dead heading regularly and cutting down the stems once the flowering is over.
The true Michaelmas Daisies is A. novi-belgil and the most popular varieties with landscapers belong here. The height range is between 2 and four feet and the planting distance is 1 and a half feet. Flowering occurs in between September and October. Thestems are smooth and the branched flower heads bear many blooms. Well Ada Ballard, Crimson Brocade, Marie Ballard, Royal Velvet and Winston S Churchill. There are also dwarf varieties that you can use in your landscaping design. You can use for the front of the border. Look for Snowsprite. A novae anglia varieties are another large group. The stems are hairy and the flower heads wide spreading. Harrington Pink is the one you are most likely to see. There are also a number of interesting Asters which are not true Michaelmas Daises. A amellus grows about 2 feet high and bears its flowers as August and September.