| Zone 1 |
|
Average dates Last Frost: June 1-June 30 |
|
Average dates First Frost: July 1-July 31 |
|
Note: vulnerable to frost 365 days per year
|
| |
| Zone 2 |
|
Average dates Last Frost: May 1-May 31 |
|
Average dates First Frost: August 1-August 31 |
| |
| Zone 3 |
|
Average dates Last Frost: May 1-May 31 |
|
Average dates First Frost: September 1-September 30 |
| |
| Zone 4 |
|
Average dates Last Frost: May 1-May 31 |
|
Average dates First Frost: September 1-September 30 |
| |
| Zone 5 |
|
Average dates Last Frost: March 30-April 30 |
|
Average dates First Frost: September 30-October 31 |
| |
| Zone 6 |
|
Average dates Last Frost: May 1-May 31 |
|
Average dates First Frost: September 30-October 31 |
| |
| Zone 7 |
|
Average dates Last Frost: March 30-April 30 |
|
Average dates First Frost: September 30-October 31 |
| |
| Zone 8 |
|
Average dates Last Frost: February 28-March 30 |
|
Average dates First Frost: October 31-November 30 |
| |
| Zone 9 |
|
Average dates Last Frost: January 30-February 28 |
|
Average dates First Frost: November 30-December 31 |
| |
| Zone 10 |
|
Average dates Last Frost: January 30 or Before |
|
Average dates First Frost: November 30-December 31 |
| |
| Zone 11 |
|
Free of frost throughout the year. |
| |
| Frost: |
|
Light freeze; damage depends upon length of frost duration. |
| Light Freeze: |
|
-2C/-0C <> 29F/32F - tender plants
killed with little destructive
effect on other vegetation. |
| Moderate Freeze: |
|
-8C/-2C <> 25F/28F - wide destruction
on most vegetation with heavy
damage to fruit blossoms and
tender semi-hardy plants. |
| Severe Freeze: |
|
-9C <> 24F and colder, heavy damage
to most plants. |
| |
| Shade: |
|
Usually an area under a closed tree canopy
that receives no direct sun at all. |
| Partial Shade: |
|
Usually an area under a lone or limited
number of trees receiving only a 1 to 5
hours of dappled sun during the day. |
| Partial Sun: |
|
Usually refers to an area that receives
approximately 3 - 5 hours of full
sun per day. |
| Full Sun: |
|
Refers to an area receiving 6 or more
hours of full sun per day. |
| |
