From time to time, hardiness zones may slightly shift according to the latest USDA calculations on climate changes. Recommended planting times:
  • Zones 10 A & B - March 12th

  • Zone 9B - March 19th;   Zone 9A -March 26th

  • Zone 8B - April 2nd;  Zone 8A - April 9th

  • Zone 7B - April 16th;   Zone 7A - April 23rd

  • Zone 6B - May 7th;  Zone 6A - May 14th

  • Zones 5 A/B - usually the last week in May

  • Zones 4 - usually the first week of June

Our retail website has an updated USDA Zone finder: go here