When can I plant Nemesia in Zone 3a

The USDA Zone info is a great tool for gardeners to help us figure out our gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for our area.

By reviewing the USDA zone info for Zone 3a you should be able to determine when it's a good idea to plant nemesia.


Planting Calendar for Nemesia

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

Since nemesia do not do well in cold weather you have to wait until after the last frost has passed before you can plant them.

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

The earliest that you can plant nemesia in Zone 3a is May. However, you really should wait until June if you don't want to take any chances.

The last month that you can plant nemesia and expect a good harvest is probably August. If you wait any later than that and your nemesia may not have a chance to grow to maturity. Starting your nemesia indoors is a great way to get them started a few weeks earlier.

Last Frost Date

In Zone 3a the average date of last frost happens on May 15. We can expect an average low temperature of -40°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Zone 3a is not always accurate and our actual date of last frost is different every year. Half of the time in Zone 3a we get surprised by a frost after May 15 so be sure to be ready to cover your nemesia if we have one of those late frosts.

USDA Zone Info for Zone 3a

Here is the info for USDA Zone 3a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-40°F
Highest Expected Low-35°F

This means that on a really cold year, the coldest it will get is -40°F. On most years you should be prepared to experience lows near -35°F.

Plants to Grow in Zone 3a

You may be interested in our other planting guides for Zone 3a.