The USDA Zone info is a great tool for gardeners to help us determine your gardening schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

It's a good idea to estimate when it's the best time to plant lupine by reviewing the USDA zone info for Radford.

Planting Calendar for Lupine

Frost tolerance for lupine:	Tolerant of some frost.
When to plant:	Up to 5 weeks before last frost.

Lupine do well in moderate cold which tells us that you can plant them a little earlier in the year than other frost tender plants.

The earliest that you can plant lupine in Radford 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 lupine and expect a good harvest is probably September. Any later than that and your lupine may not have a chance to fully mature. You can get started a couple of weeks earlier by starting your lupine indoors.

Last Frost Date

In Radford the average date of last frost happens on April 15. In the coldest months of winter you should expect an average low temperature of -5°F.

Just be sure to remember that the actual date of last frost may not be accurate from year to year because it is based on the USDA zone info for Radford and it changes from year to year. Since half of the time in Radford it frosts late in the year after April 15 be ready to protect your lupine in the event of a late frost.

USDA Zone Info for Radford

Here is the info for USDA Zone 6b.

Average Date of Last Frost (spring)	April 15
Average Date of First Frost (fall)	October 15
Lowest Expected Low	-5°F
Highest Expected Low	0°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 0°F.

Plants to Grow in Radford

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