Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

You can figure out when it's the best time to plant forget-me-not in Leominster by reviewing 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 means that you can get them planted earlier than more sensitive plants.

The earliest that you can plant forget-me-not in Leominster 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. You can get started a little bit earlier by starting your forget-me-not indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Leominster. In the coldest months of winter you should expect an average low temperature of -15°F.

Remember that USDA zone info for Leominster is just an average and the actual date of last frost will vary from year to year. Half of the time in Leominster last frost occurs after April 15 so just be sure to be ready to cover your forget-me-not if you have a late frost.

USDA Zone Info for Leominster

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Leominster

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