When can I plant Clover in Zone 4a

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 first chance to plant clover in Zone 4a should be estimated by using the USDA zone info.


Planting Calendar for Clover

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

Since clover do ok in moderate cold you can plant them slightly earlier in the year than other frost tender plants.

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

The earliest that you can plant clover in Zone 4a 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 clover and expect a good harvest is probably August. Any later than that and your clover may not have a chance to fully mature. Starting your clover indoors is a great way to get them started a few weeks earlier.

Last Frost Date

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

Remember that our actual date of last frost is an average because it is based on the USDA zone info for Zone 4a and it will vary from year to year. Since half of the time in Zone 4a it frosts late in the year after May 15 be ready to protect your clover if we have a surprise 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.