When to Plant Sunflowers in Winter Garden, FL

One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can determine when it's possible to plant sunflowers in Winter Garden by using the USDA zone info.


Planting Calendar for Sunflowers

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

Since sunflowers do not do well in cold weather you really should wait until after the last frost has passed before you can plant them.

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 Winter Garden 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. Any later than that and your sunflowers may not have a chance to grow to maturity. You can get started a little bit earlier by starting your sunflowers indoors.

Last Frost Date

On average the last frost is on February 15 in Winter Garden. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Winter Garden may not be accurate from year to year the actual date of last frost can change quite a bit from year to year. Half of the time in Winter Garden you get a frost after February 15 so be sure to be ready to protect your sunflowers in the event of a surprise late frost.

USDA Zone Info for Winter Garden

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 Winter Garden

You may be interested in your other planting guides for Winter Garden.