Q.Can I plant Cosmos in Sept zone 5?
Can I plant Cosmos in Sept zone 5 or should I wait until spring to plant the seeds?
Downtoearthdigs
Answered on September 8, 2015
You should sow the seeds in spring.
You can start the seeds indoors in March for an earlier start to the plants.
https://www.gardeningknowhow.com/ornamental/flowers/cosmos/growing-cosmos.htm
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