The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Grapevine you can figure out when you can plant bidens by using the USDA zone info.

Planting Calendar for Bidens

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

Since bidens are not cold tolerant you really should wait until after the last frost before you can plant them.

The earliest that you can plant bidens in Grapevine 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 bidens and expect a good harvest is probably August. Any later than that and your bidens may not have a chance to really do well. You can get started a little bit earlier by starting your bidens indoors.

Last Frost Date

In Grapevine the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Remember that USDA zone info for Grapevine is not always accurate and the actual date of last frost is different every year. Since half of the time in Grapevine there is a last frost after March 15 be ready to cover your bidens if you have one of those late frosts.

USDA Zone Info for Grapevine

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°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 15°F.

Plants to Grow in Grapevine

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