Soil Problems
Q.

Perlite

Zone UK, EX11 1SE | Gerald Manley added on May 7, 2016 | Answered

Is perlite safe for lime-hating plants; for example, Rhododendrons?

A.
A.Answers to this queston: Add Answer
Downtoearthdigs
Certified GKH Gardening Expert
Answered on May 9, 2016

Perlite can be used in planting mediums for Rhododendrons and Azaleas.

Some growers prefer to use composted bark or conifer needles to amend the soil.

Perlite is great to ensure good drainage.

https://www.gardeningknowhow.com/garden-how-to/soil-fertilizers/perlite-potting-soil.htm

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