Cosmos Flower Zone 8. These annuals are easy to. They are even drought-tolerant.
The hardy annuals will give you blooms from summer to frost. Each flower lasts just a day but there are always plenty more on deck ready to. A few days too early can mean the difference between a beautiful flower gardenand a disaster.
However you really should wait until April if you dont want to take any chances.
Cosmos flowers belong to the Cosmos genus and to the Asteraceae family and are native to tropical areas of the American continentsAlthough approximately 40 different species have currently been identified it is the Cosmos sulphureus and the Cosmos bipinnatus which are used most often by gardeners. These annuals are easy to. A Mexican native sometimes called Mexican aster cosmos are self-seeding in United States Department of Agriculture plant hardiness zones 9 and. 10 and -6 C.