One of the first steps you take when you are making a decision about 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.

In Lowell you can determine when it's the best time to plant evolvulus by referring to the USDA zone info.

Planting Calendar for Evolvulus

Frost tolerance for evolvulus:	Not tolerant of frost.
When to plant:	After all chance of frost has passed.

It's a bad idea to plant evolvulus until after all chance of frost has passed because they are not cold tolerant.

The earliest that you can plant evolvulus in Lowell 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 couple of weeks earlier by starting your evolvulus indoors.

Last Frost Date

The average date of last frost is April 15 in Lowell. You should expect an average low temperature of -10°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Lowell is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Lowell you get surprised by a frost after April 15 be ready to protect your evolvulus in the event of a late frost.

USDA Zone Info for Lowell

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 Lowell

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