One of the first steps you take when you are making a decision about your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to determine when it's a good idea to plant bells of ireland by checking out the USDA zone info for Andover.

Planting Calendar for Bells of Ireland

Frost tolerance for bells of ireland:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

Bells of Ireland are barely cold tolerant which tells us that you can plant them slightly earlier than other frost tender plants.

The earliest that you can plant bells of ireland in Andover is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant bells of ireland and expect a good harvest is probably August. Any later than that and your bells of ireland may not have a chance to grow to maturity. If you are starting your bells of ireland indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Andover may not be accurate from year to year the actual date of last frost will vary from year to year. Half of the time in Andover you get a frost after April 15 so always be ready to protect your bells of ireland if you have a surprise late frost.

USDA Zone Info for Andover

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 Andover

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