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 Broken Arrow you can figure out when to plant foxglove by checking out 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 one of those plants that can tolerate a little bit of cold weather you can plant them a little bit earlier in the year than other frost tender plants.

The earliest that you can plant foxglove in Broken Arrow 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. You can get started a few weeks earlier by starting your foxglove indoors.

Last Frost Date

In Broken Arrow the average date of last frost happens on April 15. You should expect an average low temperature of 0°F in the coldest months of winter.

Remember that USDA zone info for Broken Arrow may not be accurate from year to year and the actual date of last frost can change quite a bit from year to year. Since half of the time in Broken Arrow last frost occurs after April 15 be ready to protect your foxglove if you have a surprise late frost.

USDA Zone Info for Broken Arrow

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 Broken Arrow

You may be interested in your other planting guides for Broken Arrow.