Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The most important data that the zone info tells us is average last frost and the lowest expected temperature for your area.

In Richland you can figure out when it's a good idea to plant foxglove by using the USDA zone info.

Planting Calendar for Foxglove

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

Since foxglove are moderately cold tolerant you can plant them a little earlier in the year than plants that are more sensitive to the cold.

The earliest that you can plant foxglove in Richland 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 foxglove and expect a good harvest is probably September. If you wait any later than that and your foxglove may not have a chance to really do well. Starting your foxglove indoors is a great way to get them started a little bit earlier.

Last Frost Date

The average date of last frost is April 15 in Richland. You should expect an average low temperature of 0°F in the coldest months of winter.

Since the USDA zone info for Richland is an average the actual date of last frost can change quite a bit from year to year. Half of the time in Richland it frosts late in the year after April 15 so make sure that you are ready to protect your foxglove if you have one of those late frosts.

USDA Zone Info for Richland

Here is the info for USDA Zone 7a.

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

This means that on a really cold year, the coldest it will get is 0°F. On most years you should be prepared to experience lows near 5°F.

Plants to Grow in Richland

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