The Asclepias syriaca are flowers with a bewitching perfume. Essential for the reproduction of the monarch butterfly, they are easy to cultivate in a well drained soil. The schoolchildren will be happy to carry out sowings intended for such pretty bugs.

Sowing method : Mix seeds with an equal amount of damp sand or vermiculite. Place the mixture in a sealed plastic bag. Store the bag in a refrigerator or cool storage room for 30 days. Sow seeds when there is no risk of ground frost. Or plant the seeds outdoors during the fall. Germination will occur the following spring or later on.