Before planting it is a good idea to find your USDA Zone info to figure out 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.

By checking out the USDA zone info for Norwich it's a good idea to determine when it's the best time to plant bells of ireland.

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 do ok in moderate cold which tells us that you can get them planted just a bit earlier than more sensitive plants.

The earliest that you can plant bells of ireland in Norwich 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 really do well. You can get started a little bit earlier by starting your bells of ireland indoors.

Last Frost Date

The average date of last frost is April 15 in Norwich. In the coldest months of winter you should expect an average low temperature of -20°F.

Since the USDA zone info for Norwich may not be accurate from year to year the actual date of last frost will vary from year to year. Since half of the time in Norwich it frosts late in the year after April 15 be ready to cover your bells of ireland if you have one of those late frosts.

USDA Zone Info for Norwich

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-20°F
Highest Expected Low	-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Norwich

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