Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to determine when you can plant pincushion flower by referring to the USDA zone info for Hartsville.

Planting Calendar for Pincushion Flower

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

Pincushion Flower do well in a little bit of cold which tells us that you can plant them just a bit earlier in the year than other frost tender plants.

The earliest that you can plant pincushion flower 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 pincushion flower and expect a good harvest is probably September. You probably don't want to wait any later than that or else your pincushion flower may not have a chance to really do well. You can get started a little bit earlier by starting your pincushion flower indoors.

Last Frost Date

The average date of last frost is April 15 in Hartsville. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Hartsville is not always accurate the actual date of last frost is different every year. Since half of the time in Hartsville you get a frost after April 15 be ready to protect your pincushion flower if you have 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.