Hardiness Zones

Zone | Low Temps | Nourse Farms Recommended Planting Season |
---|---|---|
3 | -40° to -30° | May 5 on |
4 | -30° to -20° | April 20 - May 30 |
5 | -20° to -10° | April 8 - May 20 |
6 | -10° to 0° | March 25 - May 15 |
7 | 0° to 10° | March 8 - May 5 |
8 | 10° to 20° | March 1 - April 20 |
9 | 20° to 30° | February 1 - April 15 |
Planting Zones are used as a guideline to determine climate adaptability of plants. The zone designations that we list are estimates based on the information available to us. In selecting varieties, we suggest you be conservative in regard to the zone for best results.