One of the first steps you take when you are getting a good idea your gardening schedule is find your USDA Zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The first opportunity to plant evolvulus in Mount Washington can be figured out by reviewing the USDA zone info.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After the last frost.

Since evolvulus require warm weather it is necessary to wait until after the last frost has passed before you can plant them.

The earliest that you can plant evolvulus in Mount Washington is April. However, you really should wait until May if you don't want to take any chances.

The last month that you can plant evolvulus and expect a good harvest is probably August. Any later than that and your evolvulus may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your evolvulus indoors.

Last Frost Date

The average date of last frost is April 15 in Mount Washington. You can expect an average low temperature of -5°F in the coldest months of winter.

Just be sure to remember that the actual date of last frost is an average because it is based on the USDA zone info for Mount Washington and it can change quite a bit from year to year. Since half of the time in Mount Washington you get surprised by a frost after April 15 be ready to protect your evolvulus if you have a surprise late frost.

USDA Zone Info for Mount Washington

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°F

This means that on a really cold year, the coldest it will get is -5°F. On most years you should be prepared to experience lows near 0°F.

Plants to Grow in Mount Washington

You may be interested in your other planting guides for Mount Washington.