The USDA Zone info is a great tool for gardeners to help us estimate 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.

One way of figuring out when you can plant forget-me-not is to use the USDA zone info for Warrenton.

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.

Since forget-me-not are one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than more sensitive plants.

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. If you wait any later than that and 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 few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Warrenton. It might get as low as -10°F during the coldest months of winter.

It's important to remember that USDA zone info for Warrenton is just an average and the actual date of last frost changes from year to year. Half of the time in Warrenton it frosts late in the year after April 15 so just be sure to be ready to cover your forget-me-not if you have a surprise late frost.

USDA Zone Info for Warrenton

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 Warrenton

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