When can I plant Cilantro in Zone 5a

Before planting it is a good idea to find our USDA Zone info to figure out our garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for our area.

A way of making a decision about when it's a good idea to plant cilantro is to refer to the USDA zone info for Zone 5a.


Planting Calendar for Cilantro

Frost tolerance for cilantro: Tolerant of a very small amount of frost.
When you should plant them: Up to 3 weeks before last frost.

Since cilantro are barely cold tolerant you can plant them just a tiny bit earlier in the year than more sensitive plants.

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

The earliest that you can plant cilantro in Zone 5a 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 cilantro and expect a good harvest is probably August. If you wait any later than that and your cilantro may not have a chance to really do well. If you are starting your cilantro indoors then you might be able to get away with starting them a few weeks earlier.

Last Frost Date

The average date of last frost is April 15 in Zone 5a. In the coldest months of winter we can expect an average low temperature of -20°F.

Since the USDA zone info for Zone 5a is not always accurate our actual date of last frost is different every year. Half of the time in Zone 5a we get a frost after April 15 so make sure that you are prepared to protect your cilantro in the event of a surprise late frost.

USDA Zone Info for Zone 5a

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Zone 5a

You may be interested in our other planting guides for Zone 5a.