Comments on: Fly Ash Concrete https://www.scottarboretum.org/fly-ash-concrete/ Wed, 27 Aug 2025 21:46:07 +0000 hourly 1 https://wordpress.org/?v=6.8.11 By: Barbara Shaw https://www.scottarboretum.org/fly-ash-concrete/#comment-470 Thu, 04 Jun 2009 22:55:52 +0000 http://blogs.scottarboretum.org/gardenseeds/?p=1290#comment-470 Perhaps we could try fly ash in hypertufa. Another subsitute for peat?

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