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.

In Grapevine you can determine when it's a good idea to plant forget-me-not by using the USDA zone info.

Planting Calendar for Forget-Me-Not

Frost tolerance for forget-me-not:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Forget-Me-Not are moderately cold tolerant which tells us that you can plant them earlier than other frost tender plants.

The earliest that you can plant forget-me-not in Grapevine is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant forget-me-not and expect a good harvest is probably September. You probably don't want to wait any later than that or else your forget-me-not may not have a chance to fully mature. Starting your forget-me-not indoors is a great way to get them started a little bit earlier.

Last Frost Date

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

Since the USDA zone info for Grapevine is just an average the actual date of last frost can change quite a bit from year to year. Half of the time in Grapevine last frost occurs after March 15 so make sure that you are prepared to cover your forget-me-not if you have a surprise late frost.

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.