When to Plant Sunflowers in Fernandina Beach, FL

One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

By reviewing the USDA zone info for Fernandina Beach it's a good idea to determine when you can plant sunflowers.


Planting Calendar for Sunflowers

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

It's probably not a good 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 Fernandina 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. You probably don't want to wait any later than that or else your sunflowers may not have a chance to grow to maturity. You can get started a couple of weeks earlier by starting your sunflowers indoors.

Last Frost Date

The average date of last frost is February 15 in Fernandina Beach. It might get as low as 20°F during the coldest months of winter.

Since the USDA zone info for Fernandina Beach may not be accurate from year to year the actual date of last frost is different every year. Since half of the time in Fernandina Beach last frost occurs after February 15 be ready to protect your sunflowers in the event of one of those late frosts.

USDA Zone Info for Fernandina Beach

Here is the info for USDA Zone 9a.

Average Date of Last Frost (spring)February 15
Average Date of First Frost (fall)December 15
Lowest Expected Low20°F
Highest Expected Low25°F

This means that on a really cold year, the coldest it will get is 20°F. On most years you should be prepared to experience lows near 25°F.

Plants to Grow in Fernandina Beach

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