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.

In Willows you can figure out when it's the best time to plant bells of ireland by referring to the USDA zone info.

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.

You can plant bells of ireland slightly earlier in the year because they are barely cold tolerant.

The earliest that you can plant bells of ireland in Willows 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 bells of ireland and expect a good harvest is probably September. Any later than that and your bells of ireland may not have a chance to fully mature. 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

On average the last frost is on February 15 in Willows. You should expect an average low temperature of 25°F in the coldest months of winter.

Since the USDA zone info for Willows is not always accurate the actual date of last frost changes from year to year. Since half of the time in Willows last frost occurs after February 15 be ready to cover your bells of ireland in the event of a late frost.

USDA Zone Info for Willows

Here is the info for USDA Zone 9b.

Average Date of Last Frost (spring)	February 15
Average Date of First Frost (fall)	December 15
Lowest Expected Low	25°F
Highest Expected Low	30°F

This means that on a really cold year, the coldest it will get is 25°F. On most years you should be prepared to experience lows near 30°F.

Plants to Grow in Willows

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