Before planting it is a good idea to find your USDA Zone info to determine your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

By referring to the USDA zone info for Warrenton you should be able to estimate when you can plant forget-me-not.

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 do well in moderate cold which means that you can plant them earlier than plants that are more sensitive to the cold.

The earliest that you can plant forget-me-not in Warrenton 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. Any later than that and your forget-me-not may not have a chance to grow to maturity. Starting your forget-me-not indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Warrenton. It might get as low as 0°F during the coldest months of winter.

Since the USDA zone info for Warrenton is not always accurate the actual date of last frost changes from year to year. Half of the time in Warrenton you get surprised by a frost after April 15 so make sure that you are ready to protect your forget-me-not if you have one of those late frosts.

USDA Zone Info for Warrenton

Here is the info for USDA Zone 7a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	0°F
Highest Expected Low	5°F

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Warrenton

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