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Wondering how to use cardboard in your landscaping? Is it okay to use cardboard under mulch? When is cardboard mulch a good or bad idea? 🪴

This is the third video in a series about mulch, that I wish I had when I first started gardening. It would have saved me so much time! I hope it helps you, too.

Cardboard under mulch has some downsides. However, there may still be certain situations where it is helpful, even if not the ideal method to use.

Here are some ways you can get involved and learn more:

🪴 FREE MINI COURSE: How to choose the perfect plant (and put it in the right place): https://www.gardenprojectacademy.com/free-mini-course-choose-the-perfect-plant/

🪴 DESIGN-YOUR-OWN LANDSCAPE LAYOUT COURSE: Interested in an online course that helps you design your own landscape? Join the waitlist to hear when it first comes out!
https://www.gardenprojectacademy.com/design-your-own-garden-course-waitlist/

🪴 Follow my newsletter, here, for free gardening resources and updates on new courses: https://www.gardenprojectacademy.com/newsletter/

✨ Learn the basics of mulching in my previous video, here:
https://www.youtube.com/watch?v=bwrQJvbQTKI&list=PLT4LLM91GU1tRercFwX6E6JayxVuTs9oA&index=4

✨ Here is my video that addresses different mulch materials options:
https://www.youtube.com/watch?v=7Ci0btzx-Rs&list=PLT4LLM91GU1tRercFwX6E6JayxVuTs9oA&index=5

Here are some of the places I have learned about mulch. Please share any mulch resources you love in the comments, below! I’m always learning more.

I have learned so much from Dr. Linda Chalker-Scott of Washington State University, who addresses horticultural myths, here:
https://puyallup.wsu.edu/lcs/

Additional info on landscape fabric:
https://puyallup.wsu.edu/wp-content/uploads/sites/403/2015/03/landscape-fabric.pdf

Additional info on paper based sheet mulch:
https://puyallup.wsu.edu/lcs/#:~:text=TheMythofPaperBasedSheetMulch(pdf)

Additional info on wood chips:
https://puyallup.wsu.edu/wp-content/uploads/sites/403/2015/03/wood-chips.pdf

“The Garden Professors blog” Facebook Group is a great please to search for answers to questions (search before you post):
https://www.facebook.com/groups/GardenProfessors/

Garden Professors Blog on landscape fabric mulch:
https://gardenprofessors.com/landscape-fabric-a-cautionary-tale/

Garden Professors Blog on cardboard mulch:
https://gardenprofessors.com/the-cardboard-controversy/

Garden Professors Blog on reducing lawn:
https://gardenprofessors.com/how-to-get-rid-of-your-lawn/

“Carbon dioxide and oxygen exchange at the soil-atmosphere boundary as affected by various mulch materials.” Shahzad, K., Bary, A. I., Collins, D. P., Chalker-Scott, L., Abid, M., Sintim, H. Y., & Flury, M. (2019). Soil and Tillage Research, 194. https://doi.org/10.1016/j.still.2019.104335

And if you’re new here, hello! 🌱 My name is Eve Hanlin, I’m a certified horticulturist and landscape designer from the Pacific Northwest corner of the USA. I’ve offered in-person landscape design services for years and now I am taking landscape design online by offering digital courses and resources for do-it-yourselfers. This is my new business: Garden Project Academy.

You can also follow me on social media:
Instagram: https://www.instagram.com/gardenprojectacademy/
Facebook: https://www.facebook.com/gardenprojectacademy
Pinterest: https://www.pinterest.com/gardenprojectacademy/
Tag me in your projects @gardenprojectacademy. I would love to see what you’re working on!

Remember that everything in my videos are for informational purposes only: It is entirely up to you to decide what is best for you, and your landscape.