Planting Pink Double Knockout Rose Tree in Staten Island (Zone 7): Fall or Spring?

Rose Tree Winter Vulnerability

A gardener in Staten Island, NY (zone 7) plans to plant a Pink Double Knockout rose tree in October and asks if fall planting works or if spring is safer.

Why Spring Is Strongly Recommended

Rose trees (standards) are created by budding a modern rose onto a tall, hardy rootstock stem. The graft union sits high—exposed to full winter cold with no snow cover or ground warmth. Even hardy varieties like Knockout lack root protection at that height.

In zone 7, fall planting doesn't allow enough root establishment before deep freezes. Wait until spring so the tree can develop roots through the growing season before facing its first winter.