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

The best time to plant radishes in Lancaster can be estimated by referring to the USDA zone info.

Planting Calendar for Radishes

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

Radishes are one of those plants that can tolerate quite a bit of cold weather which means that you can start planting them much earlier than more sensitive plants.

The earliest that you can plant radishes in Lancaster 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 really do well. You can get started a little bit earlier by starting your radishes indoors.

Last Frost Date

In Lancaster the average date of last frost happens on March 15. In the coldest months of winter you should expect an average low temperature of 10°F.

Remember that the actual date of last frost is just an average because it is based on the USDA zone info for Lancaster and it changes from year to year. Since half of the time in Lancaster it frosts late in the year after March 15 be ready to protect your radishes in the event of a late frost.

USDA Zone Info for Lancaster

Here is the info for USDA Zone 8a.

Average Date of Last Frost (spring)	March 15
Average Date of First Frost (fall)	November 15
Lowest Expected Low	10°F
Highest Expected Low	15°F

This means that on a really cold year, the coldest it will get is 10°F. On most years you should be prepared to experience lows near 15°F.

Plants to Grow in Lancaster

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