When to Plant Clover in Mill Creek, WA

One of the first steps you take when you are estimating your gardening schedule is find your USDA Zone info. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Mill Creek you can estimate when it's a good idea to plant clover by using the USDA zone info.


Planting Calendar for Clover

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

You can plant clover just a tiny bit earlier in the year because they are barely cold tolerant.

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 Mill Creek 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 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 couple of weeks earlier.

Last Frost Date

The average date of last frost is March 15 in Mill Creek. It might get as low as 15°F during the coldest months of winter.

Just be sure to remember that USDA zone info for Mill Creek may not be accurate from year to year and the actual date of last frost changes from year to year. Since half of the time in Mill Creek it frosts late in the year after March 15 be ready to cover your clover in the event of a late frost.

USDA Zone Info for Mill Creek

Here is the info for USDA Zone 8b.

Average Date of Last Frost (spring)March 15
Average Date of First Frost (fall)November 15
Lowest Expected Low15°F
Highest Expected Low20°F

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

Plants to Grow in Mill Creek

You may be interested in your other planting guides for Mill Creek.