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

In Newport you can figure out when it's possible to plant campanula by referring to the USDA zone info.

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 mild cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant campanula in Newport 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. You probably don't want to wait any later than that or else your campanula may not have a chance to grow to maturity. If you are starting your campanula indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Newport. In the coldest months of winter you should expect an average low temperature of 10°F.

Just be sure to remember that USDA zone info for Newport is an average and the actual date of last frost can change quite a bit from year to year. Half of the time in Newport it frosts late in the year after March 15 so make sure that you are prepared to protect your campanula if you have a surprise late frost.

USDA Zone Info for Newport

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

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

Plants to Grow in Newport

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