The USDA Zone info is a great tool for gardeners to help us figure out your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's a good idea to estimate when it's possible to plant thyme by checking out the USDA zone info for Lowell.

Planting Calendar for Thyme

Frost tolerance for thyme:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

Thyme do well in cold which tells us that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant thyme in Lowell 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 thyme and expect a good harvest is probably September. You probably don't want to wait any later than that or else your thyme may not have a chance to really do well. You can get started a little bit earlier by starting your thyme indoors.

Last Frost Date

The average date of last frost is April 15 in Lowell. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Lowell is just an average the actual date of last frost can change quite a bit from year to year. Since half of the time in Lowell there is a last frost after April 15 be ready to protect your thyme in the event of a late frost.

USDA Zone Info for Lowell

Here is the info for USDA Zone 6b.

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

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

Plants to Grow in Lowell

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