What is the optimal soil pH level for New Orleans lawns?

What is the optimal soil pH level for New Orleans lawns?

Query for Dan Gill: I acquired my soil check outcomes from the LSU AgCenter Soil Testing and Plant Evaluation Lab. Our new aspect yard reveals a excessive pH – 7.03 to 7.72. The realm was crammed with 10 a great deal of pump sand. What’s a beneficial solution to decrease the pH to correctly develop St. Augustine grass? I’ve thought-about utilizing sulfur to decrease the pH, however I did not see many choices on the nursery and instructions to be used appeared geared for gardens moderately than lawns.   — Buddy

Reply: No have to be involved. St. Augustine grass is effectively tailored to and thrives in barely alkaline soils. The soil check outcomes shouldn’t have informed you that you simply wanted to vary the pH with sulfur for St. Augustine. The fill soils we use to fill as of late and the fill soils that have been used traditionally up to now to fill within the swamps are barely alkaline. River sand, pump sand, batture sand and spillway sand are all fertile, alluvial soils with a barely alkaline pH. So, virtually all over the place you go within the Larger New Orleans south shore space you’ll encounter soils with pH ranges starting from 7 to 7.eight. As you’ll be able to see if you drive round, vegetation thrive in these pH ranges – even acid loving vegetation like azaleas and camellias adapt and do effectively in New Orleans. So, calm down. There is no such thing as a want to vary the pH.

Dan Gill is a horticulturist with the LSU AgCenter. E-mail inquiries to dgill@agcenter.lsu.edu or add them to the remark part under. Comply with his tales at www.nola.com/homegarden, on Fb and @nolahomegardenon Instagram.

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