When to Plant Sunflowers in Flagler Beach, FL

Before planting it is a good idea to find your USDA Zone info to figure out 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.

By checking out the USDA zone info for Flagler Beach you will be able to figure out when it's a good idea to plant sunflowers.


Planting Calendar for Sunflowers

Frost tolerance for sunflowers: Not tolerant of frost.
When to plant: After all chance of frost has passed.

It's a bad idea to plant sunflowers until after the last frost because they are not cold tolerant.

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

The earliest that you can plant sunflowers in Flagler Beach 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 sunflowers and expect a good harvest is probably September. If you wait any later than that and your sunflowers may not have a chance to grow to maturity. Starting your sunflowers indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Flagler Beach. You can expect an average low temperature of 25°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Flagler Beach is not always accurate and the actual date of last frost changes from year to year. Half of the time in Flagler Beach it frosts late in the year after February 15 so make sure that you are prepared to cover your sunflowers in the event of a surprise late frost.

USDA Zone Info for Flagler Beach

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low25°F
Highest Expected Low30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Flagler Beach

You may be interested in your other planting guides for Flagler Beach.