Before planting it is a good idea to find your USDA Zone info to figure out your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The USDA zone info for Penns Grove can be reffered to in order to estimate when you can plant radishes.

Planting Calendar for Radishes

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

Radishes do well in cold which means that you can plant them much earlier than other plants that might not handle the cold.

The earliest that you can plant radishes in Penns 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. If you wait any later than that and your radishes may not have a chance to fully mature. If you are starting your radishes indoors then you might be able to get away with starting them a little bit earlier.

Last Frost Date

On average the last frost when the weather gets warmer is on April 15 in Penns Grove. You should expect an average low temperature of 5°F in the coldest months of winter.

Remember that the actual date of last frost is an average because it is based on the USDA zone info for Penns Grove and it can change quite a bit from year to year. Half of the time in Penns Grove there is a last frost after April 15 so make sure that you are ready to protect your radishes in the event of one of those late frosts.

USDA Zone Info for Penns Grove

Here is the info for USDA Zone 7b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	5°F
Highest Expected Low	10°F

This means that on a really cold year, the coldest it will get is 5°F. On most years you should be prepared to experience lows near 10°F.

Plants to Grow in Penns Grove

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