Why Are Some Plants Purple Purple Leaves Live Science Aug 23 2013. The beefsteak plant Perilla frutescens is one of many plants with purple leaves. Why do some plants have these purple parts. Green plants contain a lot of the pigment chlorophyll. The Dark Side Plants with Black or Purple Foliage 8211 Master. Nov 23 2015. Of course plants with purple leaves make a great contrast with plants with lighter foliage for visual interest but dramatic designs can be created. Problem with Purple Leaves Caused by Phosphorus Deficiency. Read this article to find out what to do if plant leaves turn purple from a phosphorus deficiency. Trees and Shrubs with Purple Leaves The Spruce Mar 10 2017. Purple leaves on trees and shrubs are a great way to add a distinctive color to the garden. Check out these suggestions. Image results for Purple Leaves wikipedia.org Purple Foliage Plants Stock Images Images Plant amp Flower Stock. Plants in the garden with purple and dark foliage leaves deeply colored leaf in purplish tones lavender near black foliage. Stock images including perennial plants annuals shrubs bulbs trees etc. Sedum Purple Emperor in flower with dark purple.