One of the first steps you take when you are estimating 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.

It's possible to estimate when it's a good idea to plant sunflowers by reviewing the USDA zone info for Burbank.

Planting Calendar for Sunflowers

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

Sunflowers require warm weather which means that it is important to wait until it warms up after the last frost before you can plant them.

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

The last month that you can plant sunflowers and expect a good harvest is probably August. 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 all chance of frost has passed is on April 15 in Burbank. You can expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Burbank may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Burbank you get surprised by a frost after April 15 be ready to cover your sunflowers in the event of a late frost.

USDA Zone Info for Burbank

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Burbank

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