I planted 12 Steeds Holly bushes in October 2018 and am at my wits end as to why they are doing so much worse now than when they were first planted (see attached before and after pictures). I have mounded them up a bit to ensure the root balls are not sitting in our dense, sometimes saturated clay soil, amended the planting mix with peat moss and fresh topsoil for good drainage, and included organic compost for nutrients. I have also been applying Holly Tone at the recommended rates both spring and fall. Last winter was pretty mild and weather conditions seem like they would be conducive to good growth (we live in Zone 6). But still, almost all the plants are very sparse with lots of yellow leaves at their centers. Any ideas on what might be going on with these guys and how to fix it?
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