The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By reviewing the USDA zone info for Hartsville it's possible to figure out when it's the best time to plant oriental poppies.

Planting Calendar for Oriental poppies

Frost tolerance for oriental poppies:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Oriental poppies can survive in some cold which means that you can plant them just a bit earlier in the year than more sensitive plants.

The earliest that you can plant oriental poppies in Hartsville is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant oriental poppies and expect a good harvest is probably September. You probably don't want to wait any later than that or else your oriental poppies may not have a chance to fully mature. You can get started a little bit earlier by starting your oriental poppies indoors.

Last Frost Date

The average date of last frost is April 15 in Hartsville. In the coldest months of winter you can expect an average low temperature of 0°F.

Since the USDA zone info for Hartsville is an average the actual date of last frost is different every year. Since half of the time in Hartsville you get surprised by a frost after April 15 be ready to cover your oriental poppies in the event of a late frost.

USDA Zone Info for Hartsville

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Hartsville

You may be interested in your other planting guides for Hartsville.