When can I plant Evolvulus in Zone 1a

One of the best tools that we have as gardeners to help us determine our gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

The best time to plant evolvulus in Zone 1a can be determined by using the USDA zone info.


Planting Calendar for Evolvulus

Frost tolerance for evolvulus: Not tolerant of frost.
When you should plant them: After the last frost has passed.

Since evolvulus do not do well in cold weather you must wait until after the last frost when the weather gets warmer before you can plant them.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant evolvulus
Possibly ok, but a risky time to plant evolvulus
Probably not a good time to plant evolvulus

The earliest that you can plant evolvulus in Zone 1a is June. However, you really should wait until July if you don't want to take any chances.

The last month that you can plant evolvulus and expect a good harvest is probably July. Any later than that and your evolvulus may not have a chance to fully mature. Starting your evolvulus indoors is a great way to get them started a couple of weeks earlier.

Last Frost Date

In Zone 1a the average date of last frost happens on June 15. We should expect an average low temperature of -60°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 1a is not always accurate and our actual date of last frost changes from year to year. Since half of the time in Zone 1a we get a frost after June 15 be ready to protect your evolvulus in the event of a late frost.

USDA Zone Info for Zone 1a

Here is the info for USDA Zone 1a.

Average Date of Last Frost (spring)June 15
Average Date of First Frost (fall)July 15
Lowest Expected Low-60°F
Highest Expected Low-55°F

This means that on a really cold year, the coldest it will get is -60°F. On most years you should be prepared to experience lows near -55°F.

Plants to Grow in Zone 1a

You may be interested in our other planting guides for Zone 1a.