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

The first opportunity to plant heuchera in Newport should be figured out by looking at the USDA zone info.

Planting Calendar for Heuchera

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

You can plant heuchera just a bit earlier in the year because they are one of those plants that can tolerate a little bit of cold weather.

The earliest that you can plant heuchera in Newport 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 heuchera and expect a good harvest is probably August. Any later than that and your heuchera may not have a chance to really do well. If you are starting your heuchera indoors then you might be able to get away with starting them a couple of weeks earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on May 15 in Newport. You should expect an average low temperature of -30°F in the coldest months of winter.

Since the USDA zone info for Newport is just an average the actual date of last frost will vary from year to year. Since half of the time in Newport last frost occurs after May 15 be ready to protect your heuchera in the event of one of those late frosts.

USDA Zone Info for Newport

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)	May 15
Average Date of First Frost (fall)	September 15
Lowest Expected Low	-30°F
Highest Expected Low	-25°F

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

Plants to Grow in Newport

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