One of the best tools that you have as gardeners to help us estimate your gardening schedule is the 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.

By checking out the USDA zone info for Milford it's a good idea to estimate when it's possible to plant campanula.

Planting Calendar for Campanula

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

Campanula do ok in some cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant campanula in Milford 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 campanula and expect a good harvest is probably September. Any later than that and your campanula may not have a chance to fully mature. Starting your campanula indoors is a great way to get them started a few weeks earlier.

Last Frost Date

On average all chance of frost has passed is on April 15 in Milford. It might get as low as -15°F during the coldest months of winter.

Keep in mind that USDA zone info for Milford is not always accurate and the actual date of last frost will vary from year to year. Half of the time in Milford it frosts late in the year after April 15 so always be ready to cover your campanula if you have one of those late frosts.

USDA Zone Info for Milford

Here is the info for USDA Zone 5b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-15°F
Highest Expected Low	-10°F

This means that on a really cold year, the coldest it will get is -15°F. On most years you should be prepared to experience lows near -10°F.

Plants to Grow in Milford

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