One of the best tools that you have as gardeners to help us figure out your gardening schedule is the USDA zone info. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

The earliest that you can plant foxglove in Greeley can be estimated 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.

Foxglove tend to make it in moderate cold which tells us that you can plant them a little earlier in the year than more sensitive plants.

The earliest that you can plant foxglove in Greeley 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. 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 few weeks earlier.

Last Frost Date

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

Since the USDA zone info for Greeley is just an average the actual date of last frost will vary from year to year. Since half of the time in Greeley you get surprised by a frost after April 15 be ready to protect your foxglove if you have one of those late frosts.

USDA Zone Info for Greeley

Here is the info for USDA Zone 5b.

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

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

Plants to Grow in Greeley

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