Chrysanthemum can cause skin to become extra sensitive to the sun. Wear sunblock outside, especially if you are light-skinned. Special Precautions & Warnings: Pregnancy and breast-feeding: There is not enough reliable information about the safety of taking chrysanthemum if you are pregnant or breast-feeding. Stay on the safe side and avoid use.
Chrysanthemum blooms are divided into 10 different bloom forms by the US National Chrysanthemum Society, Inc., which is in keeping with the international classification system. The bloom forms are defined by the way in which the ray and disk florets are arranged.
Glebionis coronaria, formerly called Chrysanthemum coronarium, is a species of flowering plant in the daisy family. It is native to the Mediterranean region. It is also cultivated and naturalized in East Asia and in scattered locations in North America. Glebionis coronaria is used as a leaf vegetable.
Dendranthema lavandulifolium is a PERENNIAL growing to 1.5 m (5ft). It is hardy to zone (UK) 6. It is in flower from Aug to October. The species is hermaphrodite (has both male and female organs) and are pollinated by Insects. Suitable for: light (sandy), medium (loamy) and heavy (clay) soils. Suitable pH: acid, neutral and basic (alkaline) soils.
Types of Chrysanthemum Flowers: Hardy Mums Versus Florist Mums. As mentioned earlier, there are "hardy mums" and "florist mums." Hardy mums put out stolons. Florist mums put out few or no stolons and are less likely to over-winter in cold regions. Also mentioned above was the classification of chrysanthemums by flower form.