The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

It's possible to determine when it's possible to plant radishes by reviewing the USDA zone info for Cottage Grove.

Planting Calendar for Radishes

Frost tolerance for radishes:	Very tolerant of frost.
When to plant:	Up to 7 weeks before last frost.

You can plant radishes quite a bit earlier in the year because they are very cold tolerant.

The earliest that you can plant radishes in Cottage Grove is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant radishes and expect a good harvest is probably September. You probably don't want to wait any later than that or else your radishes may not have a chance to fully mature. You can get started a little bit earlier by starting your radishes indoors.

Last Frost Date

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

Remember that USDA zone info for Cottage Grove may not be accurate from year to year and the actual date of last frost is different every year. Half of the time in Cottage Grove last frost occurs after March 15 so make sure that you are prepared to cover your radishes if you have a surprise late frost.

USDA Zone Info for Cottage Grove

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 Cottage Grove

You may be interested in your other planting guides for Cottage Grove.