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

In Waterville you can estimate when it's the best time to plant angelonia by using the USDA zone info.

Planting Calendar for Angelonia

Frost tolerance for angelonia:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant angelonia slightly earlier in the year because they do ok in moderate cold.

The earliest that you can plant angelonia in Waterville 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 angelonia and expect a good harvest is probably August. Any later than that and your angelonia may not have a chance to grow to maturity. If you are starting your angelonia 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 April 15 in Waterville. In the coldest months of winter you should expect an average low temperature of -10°F.

Since the USDA zone info for Waterville is not always accurate the actual date of last frost will vary from year to year. Since half of the time in Waterville you get surprised by a frost after April 15 be ready to cover your angelonia in the event of one of those late frosts.

USDA Zone Info for Waterville

Here is the info for USDA Zone 6a.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-10°F
Highest Expected Low	-5°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 -5°F.

Plants to Grow in Waterville

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