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.

The first opportunity to plant sunflowers in Edcouch can be figured out by referring to 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 require warm weather it's necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant sunflowers in Edcouch 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 fully mature. If you are starting your sunflowers indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

The average date of last frost is February 15 in Edcouch. In the coldest months of winter you can expect an average low temperature of 25°F.

Since the USDA zone info for Edcouch is not always accurate the actual date of last frost can change quite a bit from year to year. Since half of the time in Edcouch you get a frost after February 15 be ready to protect your sunflowers in the event of a surprise late frost.

USDA Zone Info for Edcouch

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 Low	25°F
Highest Expected Low	30°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 Edcouch

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