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.

The earliest that you can plant clover in Columbus should be figured out 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.

Since clover are barely cold tolerant you can plant them a bit earlier in the year than other frost tender plants.

The earliest that you can plant clover in Columbus 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. If you wait any later than that and your clover may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your clover indoors.

Last Frost Date

On average the last frost when the weather gets warmer is on March 15 in Columbus. It might get as low as 15°F during the coldest months of winter.

Remember that USDA zone info for Columbus is not always accurate and the actual date of last frost is different every year. Half of the time in Columbus it frosts late in the year after March 15 so always be ready to cover your clover if you have one of those late frosts.

USDA Zone Info for Columbus

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 Low	15°F
Highest Expected Low	20°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 Columbus

You may be interested in your other planting guides for Columbus.