I Have Small Black Dots Stuck On My Greenhouse Walls(plastic). What Could They Be?

They scrape off real easy. I just wanted to know if they could be harmful to my starts.

1 Comment (Open | Close)

1 Comment To "I Have Small Black Dots Stuck On My Greenhouse Walls(plastic). What Could They Be?"

#1 Comment By GKH_Susan On 03/25/2021 @ 6:19 pm

I would be concerned about mold. You can contact your local Cooperative Extension service for advice on whether that is harmful and how to remove it.

https://www.gardeningknowhow.com/special/greenhouses/greenhouse-gardening-supplies.htm ^[1]

https://www.gardeningknowhow.com/special/greenhouses/is-greenhouse-humidity-important.htm ^[2]

https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm ^[3]

Article printed from Gardening Know How Questions & Answers: https://questions.gardeningknowhow.com

URL to article: https://questions.gardeningknowhow.com/i-have-small-black-dots-stuck-on-my-greenhouse-wallsplastic-what-could-they-be/

URLs in this post:

[1] https://www.gardeningknowhow.com/special/greenhouses/greenhouse-gardening-supplies.htm: https://www.gardeningknowhow.com/special/greenhouses/greenhouse-gardening-supplies.htm

[2] https://www.gardeningknowhow.com/special/greenhouses/is-greenhouse-humidity-important.htm: https://www.gardeningknowhow.com/special/greenhouses/is-greenhouse-humidity-important.htm

[3] https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm: https://www.gardeningknowhow.com/garden-how-to/info/what-is-extension-service.htm

Have any questions about this topic? Visit us at https://questions.gardeningknowhow.com to ask your questions and get friendly answers from gardening experts.

You can also find us at:
'Like' us on Facebook: https://www.facebook.com/gardeningknowhow
Follow us on Twitter: https://twitter.com/gardenknowhow - @gardenknowhow
Follow us on Pinterest: https://pinterest.com/gardenknowhow/