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

You can estimate when it's possible to plant maltese cross in Groton by checking out the USDA zone info.

Planting Calendar for Maltese Cross

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

You can plant maltese cross a little bit earlier in the year because they are moderately cold tolerant.

The earliest that you can plant maltese cross in Groton 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 maltese cross and expect a good harvest is probably September. Any later than that and your maltese cross may not have a chance to really do well. If you are starting your maltese cross indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Groton. You can expect an average low temperature of -5°F in the coldest months of winter.

Since the USDA zone info for Groton 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 Groton there is a last frost after April 15 be ready to protect your maltese cross if you have a surprise late frost.

USDA Zone Info for Groton

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 Groton

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