When can I plant Lunaria in Zone 4a

One of the first steps we take when we are making a decision about our gardening schedule is find our USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

You will be able to determine when to plant lunaria by reviewing the USDA zone info for Zone 4a.


Planting Calendar for Lunaria

Frost tolerance for lunaria: Tolerant of some frost.
When you should plant them: Up to 5 weeks before last frost.

Since lunaria do well in moderate cold you can plant them a bit earlier in the year than other plants that might not handle the cold.

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

The earliest that you can plant lunaria in Zone 4a 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 lunaria and expect a good harvest is probably August. You probably don't want to wait any later than that or else your lunaria may not have a chance to fully mature. Starting your lunaria indoors is a great way to get them started a little bit earlier.

Last Frost Date

In Zone 4a the average date of last frost happens on May 15. It might get as low as -30°F during the coldest months of winter.

It's important to remember that USDA zone info for Zone 4a is not always accurate and our actual date of last frost will vary from year to year. Half of the time in Zone 4a it frosts late in the year after May 15 so make sure that you are prepared to protect your lunaria in the event of a late frost.

USDA Zone Info for Zone 4a

Here is the info for USDA Zone 4a.

Average Date of Last Frost (spring)May 15
Average Date of First Frost (fall)September 15
Lowest Expected Low-30°F
Highest Expected Low-25°F

This means that on a really cold year, the coldest it will get is -30°F. On most years you should be prepared to experience lows near -25°F.

Plants to Grow in Zone 4a

You may be interested in our other planting guides for Zone 4a.