One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first chance to plant columbine in Methuen should be determined by looking at the USDA zone info.

Planting Calendar for Columbine

Frost tolerance for columbine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Columbine do well in moderate cold which tells us that you can plant them earlier than other plants that might not handle the cold.

The earliest that you can plant columbine in Methuen 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 columbine and expect a good harvest is probably September. If you wait any later than that and your columbine may not have a chance to fully mature. Starting your columbine 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 Methuen. It might get as low as -10°F during the coldest months of winter.

Remember that USDA zone info for Methuen is just an average and the actual date of last frost is different every year. Since half of the time in Methuen you get surprised by a frost after April 15 be ready to protect your columbine in the event of one of those late frosts.

USDA Zone Info for Methuen

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 Methuen

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