Cosmos Flowers

Growing Cosmos


Anonymous added on May 16, 2018 | Answered

How deep should the soil be for growing cosmos. If I plant them in a large box that is only 4" deep will the cosmos survive by spreading roots horizontally?


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ANSWERS
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 17, 2018

You may want to have a container that is closer to 8" in depth for Cosmos.

https://www.gardeningknowhow.com/ornamental/flowers/cosmos/growing-cosmos.htm

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