Prunus Lusitanica ‘Variegata’ problems…..

QuestionsPrunus Lusitanica ‘Variegata’ problems…..
John Judd Staff asked 14 years ago

Planted this as a hedge from b/r 5yrs ago. Now some plants are stunted and dying back whilst others are thriving. Site is open,exposed. Soil ph – neutral. Can you suggest remedial action(s) I can take to remedy.