When to Plant Strawflowers in Sumter, SC

Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You should be able to figure out when to plant strawflowers by reviewing the USDA zone info for Sumter.


Planting Calendar for Strawflowers

Frost tolerance for strawflowers: Tolerant of a very small amount of frost.
When to plant: Up to 3 weeks before last frost.

Strawflowers do ok in moderate cold which means that you can get them planted just a bit earlier than other plants that might not handle the cold.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant strawflowers
Possibly ok, but a risky time to plant strawflowers
Probably not a good time to plant strawflowers

The earliest that you can plant strawflowers in Sumter is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant strawflowers and expect a good harvest is probably August. Any later than that and your strawflowers may not have a chance to really do well. Starting your strawflowers indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Sumter. It might get as low as 10°F during the coldest months of winter.

Since the USDA zone info for Sumter is just an average the actual date of last frost will vary from year to year. Half of the time in Sumter last frost occurs after March 15 so make sure that you are prepared to cover your strawflowers if you have one of those late frosts.

USDA Zone Info for Sumter

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low10°F
Highest Expected Low15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Sumter

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