One of the best tools that you have as gardeners to help us estimate 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 USDA zone info for Nampa can be reviewed to figure out when to plant purple bell vines.

Planting Calendar for Purple Bell Vines

Frost tolerance for purple bell vines:	Tolerant of a very small amount of frost.
When to plant:	Up to 3 weeks before last frost.

You can plant purple bell vines a bit earlier in the year because they do ok in moderate cold.

The earliest that you can plant purple bell vines in Nampa is March. However, you really should wait until April if you don't want to take any chances.

The last month that you can plant purple bell vines and expect a good harvest is probably August. Any later than that and your purple bell vines may not have a chance to fully mature. Starting your purple bell vines 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 Nampa. You should expect an average low temperature of 0°F in the coldest months of winter.

Just be sure to remember that USDA zone info for Nampa is not always accurate and the actual date of last frost will vary from year to year. Since half of the time in Nampa there is a last frost after April 15 be ready to cover your purple bell vines in the event of one of those late frosts.

USDA Zone Info for Nampa

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 Nampa

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